LG Chem, Ltd.

Republic of Korea

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        Patent 17,497
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[Owner] LG Chem, Ltd. 17,559
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New (last 4 weeks) 96
2024 November (MTD) 11
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IPC Class
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof 1,404
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED) 1,176
H01M 10/052 - Li-accumulators 1,167
H01M 2/10 - Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders 976
C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials 829
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05 - Pharmaceutical, veterinary and sanitary products 31
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17 - Rubber and plastic; packing and insulating materials 15
40 - Treatment of materials; recycling, air and water treatment, 9
11 - Environmental control apparatus 5
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Pending 1,389
Registered / In Force 16,170
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1.

Polymer and Organic Light-Emitting Device Using Same

      
Application Number 18294287
Status Pending
Filing Date 2022-12-14
First Publication Date 2024-11-07
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Kim, Ji Hoon
  • Kang, Sungkyoung
  • Khim, Dongyoon
  • Woo, Yu Jin
  • Lee, Jaechol
  • Lee, Jiyoung

Abstract

A polymer represented by the following Chemical Formula 1 and an organic light emitting device formed by using the same are described here: A polymer represented by the following Chemical Formula 1 and an organic light emitting device formed by using the same are described here: E1-[A1]a=[B1]b-[C1]c-E2  [Chemical Formula 1] wherein all the variables are described herein.

IPC Classes  ?

  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials
  • H10K 50/15 - Hole transporting layers
  • H10K 85/10 - Organic polymers or oligomers

2.

ORGANIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME

      
Application Number KR2024005949
Publication Number 2024/228557
Status In Force
Filing Date 2024-05-02
Publication Date 2024-11-07
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Cha, Yongbum
  • Kim, Kyunghee
  • Kim, Moung Gon
  • Lee, Woochul
  • Hwang, Sunghyun

Abstract

The present specification provides: a compound represented by chemical formula 1 in which dibenzofuran is substituted with three carbazole groups, wherein one carbazole group is substituted at the third carbon of dibenzofuran; and an organic light-emitting device having improved driving voltage, efficiency, and lifespan characteristics by comprising same.

IPC Classes  ?

  • C07D 405/14 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
  • H10K 85/60 - Organic compounds having low molecular weight
  • H10K 50/12 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
  • H10K 50/18 - Carrier blocking layers
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials
  • H10K 101/00 - Properties of the organic materials covered by group

3.

POLYCARBONATE COPOLYMER

      
Application Number 18576734
Status Pending
Filing Date 2023-05-11
First Publication Date 2024-11-07
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lee, Dayoung
  • Son, Youngwook
  • Bahn, Hyong Min
  • Yu, Yeji

Abstract

The present disclosure relates to a polycarbonate copolymer, and can provide a polycarbonate copolymer that includes a repeating unit having a specific structure, thereby being improved particularly in heat resistance.

IPC Classes  ?

  • C08G 64/12 - Aromatic polycarbonates not containing aliphatic unsaturation containing atoms other than carbon, hydrogen or oxygen containing nitrogen
  • C08G 64/30 - General preparatory processes using carbonates

4.

Crosslinked Structure-Containing Polyolefin Porous Support, Crosslinked Structure-Containing Separator For Lithium Secondary Battery Including The Same, And Lithium Secondary Battery Including The Separator

      
Application Number 18289387
Status Pending
Filing Date 2022-05-09
First Publication Date 2024-11-07
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Han, Sung-Jae
  • Lee, Joo-Sung
  • Mun, Sung Cik

Abstract

The present disclosure relates to a crosslinked structure-containing polyolefin porous support which has a crosslinked structure including polymer chains interconnected directly with one another, wherein a first peak is detected at a g value of 2.010-2.030 as determined by electron spin resonance spectroscopy by irradiating ultraviolet rays thereto at 500 W. The present disclosure also relates to a crosslinked structure-containing separator for a lithium secondary battery including the crosslinked structure-containing polyolefin porous support, and a lithium secondary battery including the separator. The crosslinked structure-containing polyolefin porous support shows excellent heat resistance.

IPC Classes  ?

  • H01M 50/489 - Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
  • H01M 10/052 - Li-accumulators
  • H01M 50/417 - Polyolefins
  • H01M 50/451 - Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic material
  • H01M 50/46 - Separators, membranes or diaphragms characterised by their combination with electrodes

5.

Crosslinked Structure-Containing Separator For Lithium Secondary Battery, Method For Manufacturing The Same, And Lithium Secondary Battery Including The Same Separator

      
Application Number 18289379
Status Pending
Filing Date 2022-05-09
First Publication Date 2024-11-07
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Han, Sung-Jae
  • Lee, Joo-Sung
  • Mun, Sung Cik
  • Jung, Kil-An

Abstract

The present disclosure relates to a crosslinked structure-containing separator for a lithium secondary battery, including: a crosslinked structure-containing polyolefin porous support having a crosslinked structure including polymer chains interconnected directly with one another; an inorganic composite porous layer disposed on at least one surface of the crosslinked structure-containing polyolefin porous support and including an inorganic filler and a first binder polymer; and a porous adhesive layer disposed on the inorganic composite porous layer and including a second binder polymer. The present disclosure also relates to a method for preparing the separator and a lithium secondary battery including the separator. The crosslinked structure-containing separator for a lithium secondary battery shows improved high-temperature safety and excellent adhesion to an electrode. The method for manufacturing a crosslinked structure-containing separator for a lithium secondary battery includes adding a photoinitiator to a coating solution for forming a porous adhesive layer, and thus requires no additional equipment for the photo-crosslinking of a polyolefin porous support, thereby realizing a simplified process.

IPC Classes  ?

  • H01M 50/451 - Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic material
  • H01M 50/403 - Manufacturing processes of separators, membranes or diaphragms
  • H01M 50/417 - Polyolefins
  • H01M 50/46 - Separators, membranes or diaphragms characterised by their combination with electrodes
  • H01M 50/491 - Porosity

6.

Method of Washing Positive Electrode Active Material, and Positive Electrode Active Material Prepared Thereby

      
Application Number 18778137
Status Pending
Filing Date 2024-07-19
First Publication Date 2024-11-07
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Jung, Won Sig
  • Choi, Sang Soon
  • Park, Hyun Ah

Abstract

A positive electrode active material includes a lithium composite transition metal oxide and a lithium by-product present on the surface of the lithium composite transition metal oxide. The lithium by-product is included at 0.3 mol % to 0.41 mol % with respect to a total mole number of the lithium composite transition metal oxide, and Li2CO3 and LiOH are included at a molar ratio of 1:1.8 to 1:3. A positive electrode including the positive electrode active material and a lithium secondary battery including the positive electrode are also provided.

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • B08B 3/08 - Cleaning involving contact with liquid the liquid having chemical or dissolving effect
  • C01G 53/00 - Compounds of nickel
  • H01M 4/02 - Electrodes composed of, or comprising, active material
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries

7.

DOUBLE METAL CYANIDE CATALYST, METHOD FOR PREPARING SAME AND METHOD FOR PREPARING POLYALKYLENE CARBONATE USING THE CATALYST

      
Application Number 18685309
Status Pending
Filing Date 2022-09-06
First Publication Date 2024-11-07
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lee, Seung Hee
  • Kim, Sang Woo
  • Kim, Sang Kook
  • Shin, Bo Ra
  • Park, No Jin

Abstract

The present disclosure relates to a double metal cyanide catalyst, a method for preparing same and a method for preparing polyalkylene carbonate using the catalyst. The double metal cyanide catalyst includes a double metal cyanide compound and a complexing agent, where the complexing agent is represented by Formula 1.

IPC Classes  ?

  • C08G 64/34 - General preparatory processes using carbon dioxide and cyclic ethers

8.

ORGANIC LIGHT-EMITTING DEVICE

      
Application Number KR2024005940
Publication Number 2024/228554
Status In Force
Filing Date 2024-05-02
Publication Date 2024-11-07
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Kyunghee
  • Lee, Woochul
  • Kim, Moung Gon
  • Cha, Yongbum
  • Hwang, Sunghyun

Abstract

The present specification relates to an organic light-emitting device comprising: a first electrode; a second electrode provided facing the first electrode: and at least one organic material layer provided between the first electrode and the second electrode, wherein the organic material layer comprises an emission layer comprising: a first host compound represented by chemical formula 1 or 2; a second host compound represented by chemical formula 3; a first dopant (phosphorescent) compound represented by chemical formula 4 or 5; and a second dopant (fluorescent) compound represented by chemical formula 6.

IPC Classes  ?

  • H10K 85/60 - Organic compounds having low molecular weight
  • H10K 85/40 - Organosilicon compounds, e.g. TIPS pentacene
  • H10K 85/30 - Coordination compounds
  • H10K 50/12 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials

9.

COMPOUND, COMPOSITE, AND SOLID ELECTROLYTE AND ALL-SOLID-STATE BATTERY COMPRISING SAME

      
Application Number KR2024005994
Publication Number 2024/228578
Status In Force
Filing Date 2024-05-03
Publication Date 2024-11-07
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Ki Cheol
  • Kim, Su Jeong
  • Yoon, Jeong Ae
  • Oh, Mi Yeon
  • Kim, Jae Yoon

Abstract

The present invention aims to improve upon conventional low lithium ion conductivity and resolve the performance and safety issues of an all-solid-state battery, and relates to a compound comprising a repeating unit represented by chemical formula 1 described in the present specification or a compound which is a lithium salt thereof, a composite comprising the compound and a lithium compound, and a solid electrolyte and an all-solid-state battery comprising same.

IPC Classes  ?

  • C08G 75/30 - Polysulfonamides; Polysulfonimides
  • C08F 290/06 - Polymers provided for in subclass
  • H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
  • H01M 10/052 - Li-accumulators
  • H01M 10/0567 - Liquid materials characterised by the additives
  • C08G 75/00 - Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur, with or without nitrogen, oxygen, or carbon
  • C07C 381/00 - Compounds containing carbon and sulfur and having functional groups not covered by groups
  • H01M 10/056 - Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes

10.

COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME

      
Application Number KR2024006031
Publication Number 2024/228590
Status In Force
Filing Date 2024-05-03
Publication Date 2024-11-07
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Ha, Jae Seung
  • Geum, Sujeong
  • Lee, Da Jung
  • Jeon, Jiye
  • Cho, Woo Jin
  • Choi, Ji Young
  • Lee, Woochul

Abstract

The present specification relates to a compound and an organic light-emitting device comprising same. The compound of chemical formula 1 has a structure in which Ar1, which is a specific functional group, is bound to a phenanthrofuran or phenanthrothiophene structure through L1, which is an intermediate linker. Here, Ar1 is: a substituted or unsubstituted benzocrycenyl group optionally condensed with an adjacent group to form a substituted or unsubstituted ring; or a substituted or unsubstituted dibenzocrycenyl group optionally condensed with an adjacent group to form a substituted or unsubstituted ring.

IPC Classes  ?

  • C07D 307/77 - Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
  • C07D 333/50 - Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
  • C07D 409/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings
  • C07F 7/08 - Compounds having one or more C—Si linkages
  • C07D 409/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring- member bond
  • C07D 407/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings directly linked by a ring-member-to-ring- member bond
  • H10K 85/60 - Organic compounds having low molecular weight

11.

ORGANIC LIGHT-EMITTING DEVICE

      
Application Number KR2024006032
Publication Number 2024/228591
Status In Force
Filing Date 2024-05-03
Publication Date 2024-11-07
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lee, Sung Jae
  • Kim, Minjun
  • Mun, Hyeon Jin
  • Lee, Hyungjin
  • Cho, Woo Jin
  • Hong, Sung Kil

Abstract

The present specification provides an organic light-emitting device comprising: an anode; a cathode; and a first organic material layer and a second organic material layer that are provided between the anode and the cathode, wherein the first organic material layer comprises a compound of chemical formula 1 and the second organic material layer comprises a compound of chemical formula 2. In chemical formula 1, N of a carbazole group and an amine group are bonded at an ortho position of a biphenylene group, and Ar1 and Ar2 are included as substituents substituted in the amine group. In this case, Ar1 and Ar2 are the same as or different from each other, and are each independently a bicyclic or higher aryl group unsubstituted or substituted with deuterium. In chemical formula 2, an aryl group or a heterocyclic group is linked to the 9th and 10th carbon atoms of anthracene, and at least one deuterium is included.

IPC Classes  ?

  • H10K 85/60 - Organic compounds having low molecular weight
  • H10K 50/15 - Hole transporting layers
  • H10K 50/11 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials

12.

Method for Purifying of Waste Water

      
Application Number 18027207
Status Pending
Filing Date 2022-07-25
First Publication Date 2024-10-31
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Oh, Suk Yung
  • Cho, Yong Heon
  • Oh, Joo Sik
  • Ko, Jun Seok
  • Jo, Kyeong Hyeon
  • Oh, Seung Whan

Abstract

A method for purifying of waste water includes: supplying a mixed stream, in which wastewater including water, a nitrile-based monomer, and ammonia and an acid component are mixed, to a first column; condensing an upper discharge stream of the first column, supplying the condensed stream to a decanter to separate the stream into a water layer and an organic layer, and supplying components of the organic layer to a second column; and separating a by-product from a lower discharge stream of the second column, and recovering the nitrile-based monomer from an upper discharge stream of the second column.

IPC Classes  ?

  • C02F 1/04 - Treatment of water, waste water, or sewage by heating by distillation or evaporation
  • C02F 1/40 - Devices for separating or removing fatty or oily substances or similar floating material
  • C02F 101/16 - Nitrogen compounds, e.g. ammonia
  • C02F 101/38 - Organic compounds containing nitrogen
  • C02F 103/38 - Polymers

13.

Multi-Block Copolymer and Method for Preparing the Same

      
Application Number 18684924
Status Pending
Filing Date 2022-09-30
First Publication Date 2024-10-31
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Im, Seul Ki
  • Lee, Hyun Mo
  • Park, Ji Hyun
  • Shin, Eun Ji
  • Kim, Yun Kon
  • Sa, Seok Pii

Abstract

A multi-block copolymer including a polystyrene-based block and a polyolefin-based block, and having a high molecular weight and a low content of homo-polystyrene, and a method for producing the multi-block copolymer are described herein.

IPC Classes  ?

  • C08F 297/02 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type
  • C08F 2/38 - Polymerisation using regulators, e.g. chain terminating agents
  • C08F 4/64 - Titanium, zirconium, hafnium, or compounds thereof
  • C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
  • C08F 212/08 - Styrene

14.

Apparatus and Method for Cleaning Metal Filter

      
Application Number 18766057
Status Pending
Filing Date 2024-07-08
First Publication Date 2024-10-31
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Kim, Hyun Uk
  • Jang, Sang Soo
  • Park, Young Su
  • Kim, Seong Bae
  • Lim, Yi Rang
  • Park, Kyoung Wan
  • Kim, Eun Hee

Abstract

An apparatus for cleaning a metal filter comprises a cleaning bath having a predetermined size and connected to a cleaning solution tank, a jig which is vertically elevatable and horizontally slidable in the cleaning bath and to which the metal filter is fixed, a nozzle mounted so that a discharge hole thereof is faced upward in the cleaning bath, and a controller which controls supply and blocking of a cleaning solution from the cleaning solution tank to the cleaning bath, controls supply and blocking of compressed air or the water to the nozzle, controls movement of the jig, and controls filling or discharging of the water into/from the cleaning bath. The controller controls the movement of the jig and selectively controls the supply and blocking of the water, the cleaning solution, and the compressed air, and the draining of the cleaning bath according to predetermined logic.

IPC Classes  ?

  • B01D 41/04 - Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids of rigid self-supporting filtering material
  • B01D 29/15 - Supported filter elements arranged for inward flow filtration
  • B01D 29/68 - Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
  • B01D 39/10 - Filter screens essentially made of metal

15.

SUPERCRITICAL DRYING METHOD FOR SILICA WET GEL BLANKET

      
Application Number 18767608
Status Pending
Filing Date 2024-07-09
First Publication Date 2024-10-31
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Oh, Kyoung Shil
  • Baek, Se Won

Abstract

A supercritical drying device for preparing a silica wet gel blanket, in which the accumulation of salts inside equipment during supercritical drying is prevented. The accumulation of salts inside equipment is prevented by cooling the line filter to have an outer surface temperature in a range of 0° C.-50° C. resulting in improved operational stability of the supercritical drying process. In addition, because a line filter can be separated and easily cleaned, the time required for cleaning and the total amount of ammonia wastewater from the cleaning can be reduced, thereby resulting in the effects of improved efficiency and reduced costs.

IPC Classes  ?

  • C01B 33/158 - Purification; Drying; Dehydrating
  • B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
  • C01B 33/141 - Preparation of hydrosols or aqueous dispersions
  • F26B 3/02 - Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air

16.

Methane-Reforming Catalyst and Method for Producing Same

      
Application Number 18274105
Status Pending
Filing Date 2022-08-01
First Publication Date 2024-10-31
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Cho, Jun Yeon
  • Kim, Sojin
  • Kim, Suji
  • Choi, Jun Seon
  • Kim, Sangjin
  • Choi, Jae Soon

Abstract

The catalyst for methane reformation according to an exemplary embodiment of the present application comprises: a porous metal support; a first coating layer provided on the porous metal support and comprising the perovskite-based compound represented by Chemical Formula 1; and a second coating layer provided on the first coating layer and comprising the perovskite-based compound represented by Chemical Formula 2: The catalyst for methane reformation according to an exemplary embodiment of the present application comprises: a porous metal support; a first coating layer provided on the porous metal support and comprising the perovskite-based compound represented by Chemical Formula 1; and a second coating layer provided on the first coating layer and comprising the perovskite-based compound represented by Chemical Formula 2: SrTiO3  [Chemical Formula 1] The catalyst for methane reformation according to an exemplary embodiment of the present application comprises: a porous metal support; a first coating layer provided on the porous metal support and comprising the perovskite-based compound represented by Chemical Formula 1; and a second coating layer provided on the first coating layer and comprising the perovskite-based compound represented by Chemical Formula 2: SrTiO3  [Chemical Formula 1] Sr1-xAxTiαByO3-δ  [Chemical Formula 2] wherein all the variables are described herein.

IPC Classes  ?

  • B01J 35/00 - Catalysts, in general, characterised by their form or physical properties
  • B01J 23/00 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group
  • B01J 23/02 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the alkali- or alkaline earth metals or beryllium
  • B01J 23/58 - Platinum group metals with alkali- or alkaline earth metals or beryllium
  • B01J 23/78 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups with alkali- or alkaline earth metals or beryllium
  • B01J 23/83 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups with rare earths or actinides
  • B01J 23/86 - Chromium
  • B01J 35/64 - Pore diameter
  • B01J 35/70 - characterised by their crystalline properties, e.g. semi-crystalline (catalysts comprising carbon B01J 21/18;molecular sieves B01J 29/00)
  • B01J 37/02 - Impregnation, coating or precipitation
  • B01J 37/08 - Heat treatment
  • B01J 37/18 - Reducing with gases containing free hydrogen
  • C01B 3/40 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts characterised by the catalyst

17.

Compound and Method for Preparing Same

      
Application Number 18292092
Status Pending
Filing Date 2022-08-12
First Publication Date 2024-10-31
Owner
  • LG Chem, Ltd. (Republic of Korea)
  • LG Energy Solution, Ltd. (Republic of Korea)
Inventor
  • Lee, Mi Sook
  • Yoon, Jeong Ae
  • Kim, Su Jeong
  • Lee, Chul Haeng
  • Lee, Jung Min
  • Yeom, Chul Eun

Abstract

Provided is a precursor compound of Formula I used for preparing a cyclic sulfonic acid ester derivative compound, and a method for preparing same, Provided is a precursor compound of Formula I used for preparing a cyclic sulfonic acid ester derivative compound, and a method for preparing same, wherein all the variables are described herein.

IPC Classes  ?

  • C07D 327/04 - Five-membered rings
  • C07C 303/20 - Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof by addition of sulfurous acid or salts thereof to compounds having carbon-to-carbon multiple bonds
  • C07D 327/06 - Six-membered rings
  • C07D 327/10 - Heterocyclic compounds containing rings having oxygen and sulfur atoms as the only ring hetero atoms two oxygen atoms and one sulfur atom, e.g. cyclic sulfates

18.

NOVEL COMPOUND AND ORGANIC LIGHT-EMITTING ELEMENT COMPRISING SAME

      
Application Number KR2024001327
Publication Number 2024/225580
Status In Force
Filing Date 2024-01-29
Publication Date 2024-10-31
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lee, Hojung
  • Jung, Min Woo
  • Han, Miyeon
  • Lee, Jungha
  • Oh, Joongsuk
  • Kim, Hoon Jun
  • Cho, Hye Min
  • Park, Hyungjin
  • Heo, Jeonghoe

Abstract

The present invention relates to novel organic light-emitting material and an organic light-emitting element comprising same.

IPC Classes  ?

  • C07D 403/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing three or more hetero rings
  • C07D 405/14 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
  • H10K 85/60 - Organic compounds having low molecular weight
  • H10K 50/11 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials

19.

POLY(LACTIC ACID-3-HYDROXYPROPIONIC ACID) COPOLYMER AND METHOD FOR PREPARING SAME

      
Application Number KR2024005650
Publication Number 2024/225798
Status In Force
Filing Date 2024-04-26
Publication Date 2024-10-31
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Cho, Suhyun
  • Lee, Yeonju
  • Jeon, Harim
  • Kim, Chul Woong
  • Park, Byung Hyun

Abstract

The present invention pertains to: a poly(lactic acid-3-hydroxypropionic acid) copolymer including a novel network structure; and method for preparing same.

IPC Classes  ?

  • C08G 63/91 - Polymers modified by chemical after-treatment
  • C08G 63/60 - Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from the reaction of a mixture of hydroxy carboxylic acids, polycarboxylic acids and polyhydroxy compounds
  • C08G 63/08 - Lactones or lactides
  • C08G 63/78 - Preparation processes

20.

COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME

      
Application Number KR2024005685
Publication Number 2024/225817
Status In Force
Filing Date 2024-04-26
Publication Date 2024-10-31
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lee, Sung Jae
  • Kim, Minjun
  • Mun, Hyeon Jin
  • Lee, Hyungjin
  • Hong, Sung Kil

Abstract

The present specification relates to a compound of chemical formula 1, and an organic light-emitting device comprising same.

IPC Classes  ?

  • C07C 211/54 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
  • C07C 211/61 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton with at least one of the condensed ring systems formed by three or more rings
  • C07C 211/57 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton
  • C07D 209/86 - Carbazoles; Hydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
  • C07D 307/91 - Dibenzofurans; Hydrogenated dibenzofurans
  • H10K 85/60 - Organic compounds having low molecular weight

21.

CATHODE ACTIVE MATERIAL, CATHODE, AND LITHIUM SECONDARY BATTERY

      
Application Number KR2024005812
Publication Number 2024/225849
Status In Force
Filing Date 2024-04-29
Publication Date 2024-10-31
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lee, Jung Uk
  • Cho, Seung Beom
  • Jeong, Jin Hoo
  • Jeong, Myung Gi
  • Hwang, Joo Kyoung
  • Lee, Ji Young
  • Ryu, Hyeon Mo
  • Heo, Kook Jin
  • Bak, Sang Eun
  • Kim, Jong Hyuk

Abstract

The present invention relates to a cathode active material and, to a cathode active material, a cathode comprising same, and a lithium secondary battery, the cathode active material enabling problems of conventional secondary particles and problems of discrete particles to be solved simultaneously, and comprising: as primary particles, particles such as conventional discrete particles; and secondary particles formed by aggregating a plurality of primary particles, and thus the present invention has cell characteristics such as improved lifespan of a lithium secondary battery and reduced gas generation, and also has excellent density characteristics so as to have improved energy density.

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/04 - Processes of manufacture in general
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
  • H01M 4/02 - Electrodes composed of, or comprising, active material

22.

CATHODE ACTIVE MATERIAL, CATHODE AND LITHIUM SECONDARY BATTERY

      
Application Number KR2024005816
Publication Number 2024/225852
Status In Force
Filing Date 2024-04-29
Publication Date 2024-10-31
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Jeong, Jin Hoo
  • Jeong, Myung Gi
  • Hwang, Joo Kyoung
  • Lee, Ji Young
  • Ryu, Hyeon Mo
  • Heo, Kook Jin
  • Lee, Jung Uk
  • Bak, Sang Eun
  • Kim, Jong Hyuk

Abstract

The present invention relates to a cathode active material and, to a cathode active material, and a cathode and a lithium secondary battery, each including same, in which the cathode active material can solve conventional problems of secondary particles and problems of single-particles at the same time, and comprises, as primary particles, particles like conventional single-particles, and secondary particles formed by aggregation of a plurality of the primary particles, and thus not only provides excellent cell properties of lithium secondary batteries, such as improved lifespan and reduced gas generation, but also provides excellent density properties to improve energy density.

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 10/052 - Li-accumulators
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/04 - Processes of manufacture in general
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
  • H01M 4/02 - Electrodes composed of, or comprising, active material

23.

CATHODE ACTIVE MATERIAL, CATHODE AND LITHIUM SECONDARY BATTERY

      
Application Number KR2024005817
Publication Number 2024/225853
Status In Force
Filing Date 2024-04-29
Publication Date 2024-10-31
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Hwang, Joo Kyoung
  • Cho, Seung Beom
  • Jeong, Jin Hoo
  • Jeong, Myung Gi
  • Lee, Ji Young
  • Ryu, Hyeon Mo
  • Heo, Kook Jin
  • Lee, Jung Uk
  • Bak, Sang Eun
  • Kim, Jong Hyuk

Abstract

The present invention relates to a cathode active material, and to a cathode and a lithium secondary battery comprising same, the cathode active material allowing conventional problems of secondary particles and problems of single-particles to be both resolved, and comprising, as primary particles, particles such as conventional single-particles and secondary particles formed by aggregation of a plurality of the primary particles, thereby not only providing excellent cell properties such as improved lifespan and reduced gas generation in lithium secondary batteries, but also being superbly dense to improve energy density.

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/04 - Processes of manufacture in general
  • H01M 4/02 - Electrodes composed of, or comprising, active material

24.

CATHODE ACTIVE MATERIAL, CATHODE AND LITHIUM SECONDARY BATTERY

      
Application Number KR2024005818
Publication Number 2024/225854
Status In Force
Filing Date 2024-04-29
Publication Date 2024-10-31
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Hwang, Joo Kyoung
  • Jeong, Jin Hoo
  • Jeong, Myung Gi
  • Lee, Ji Young
  • Ryu, Hyeon Mo
  • Heo, Kook Jin
  • Lee, Jung Uk
  • Bak, Sang Eun
  • Kim, Jong Hyuk

Abstract

The present invention relates to a cathode active material and, to a cathode active material, and a cathode and a lithium secondary battery, each including same, in which the cathode active material can solve conventional problems of secondary particles and problems of single-particles at the same time, and comprises, as primary particles, particles like conventional single-particles, and secondary particles formed by aggregation of a plurality of the primary particles, and thus not only provides excellent cell properties of lithium secondary batteries, such as improved lifespan and reduced gas generation, but also provides excellent density properties to improve energy density.

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/04 - Processes of manufacture in general
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
  • H01M 4/02 - Electrodes composed of, or comprising, active material

25.

CATHODE ACTIVE MATERIAL, CATHODE, AND LITHIUM SECONDARY BATTERY

      
Application Number KR2024005819
Publication Number 2024/225855
Status In Force
Filing Date 2024-04-29
Publication Date 2024-10-31
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Hwang, Joo Kyoung
  • Jeong, Jin Hoo
  • Lee, Ji Young
  • Ryu, Hyeon Mo
  • Heo, Kook Jin
  • Lee, Jung Uk
  • Bak, Sang Eun
  • Kim, Jong Hyuk
  • Cho, Seung Beom
  • Jeong, Myung Gi

Abstract

The present invention relates to a cathode active material and, to a cathode active material, a cathode comprising same, and a lithium secondary battery, the cathode active material enabling problems of conventional secondary particles and problems of discrete particles to be solved simultaneously, and comprising: as primary particles, particles such as conventional discrete particles; and secondary particles formed by aggregating a plurality of primary particles, and thus the present invention has cell characteristics such as improved lifespan of a lithium secondary battery and reduced gas generation, and also has excellent density characteristics so as to have improved energy density.

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/04 - Processes of manufacture in general
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
  • H01M 4/02 - Electrodes composed of, or comprising, active material

26.

CATHODE ACTIVE MATERIAL, CATHODE, AND LITHIUM SECONDARY BATTERY

      
Application Number KR2024005821
Publication Number 2024/225857
Status In Force
Filing Date 2024-04-29
Publication Date 2024-10-31
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Jeong, Jin Hoo
  • Hwang, Joo Kyoung
  • Lee, Ji Young
  • Ryu, Hyeon Mo
  • Heo, Kook Jin
  • Lee, Jung Uk
  • Bak, Sang Eun
  • Kim, Jong Hyuk
  • Jeong, Myung Gi

Abstract

The present invention relates to a cathode active material, a cathode comprising same, and a lithium secondary battery, wherein the cathode active material, capable of solving both the problems of conventional secondary particles and the problems of conventional single particles, comprises particles, such as conventional single particles, as primary particles, and secondary particles each formed by agglomeration of multiple primary particle, thereby increasing the lifespan of lithium secondary batteries, enhancing cell characteristics such as gas generation reduction, and improving energy density through excellent density characteristics.

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 10/052 - Li-accumulators
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/04 - Processes of manufacture in general
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
  • H01M 4/02 - Electrodes composed of, or comprising, active material

27.

CATHODE ACTIVE MATERIAL, CATHODE, AND LITHIUM SECONDARY BATTERY

      
Application Number KR2024005822
Publication Number 2024/225858
Status In Force
Filing Date 2024-04-29
Publication Date 2024-10-31
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Bak, Sang Eun
  • Jeong, Jin Hoo
  • Jeong, Myung Gi
  • Hwang, Joo Kyoung
  • Lee, Ji Young
  • Ryu, Hyeon Mo
  • Heo, Kook Jin
  • Lee, Jung Uk
  • Kim, Jong Hyuk

Abstract

The present invention relates to a cathode active material and, to a cathode active material, a cathode comprising same, and a lithium secondary battery, the cathode active material enabling problems of conventional secondary particles and problems of discrete particles to be solved simultaneously, and comprising: as primary particles, particles such as conventional discrete particles; and secondary particles formed by aggregating a plurality of primary particles, and thus the present invention has cell characteristics such as improved lifespan of a lithium secondary battery and reduced gas generation, and also has excellent density characteristics so as to have improved energy density.

IPC Classes  ?

  • H01M 4/02 - Electrodes composed of, or comprising, active material
  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 10/052 - Li-accumulators
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/04 - Processes of manufacture in general

28.

POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE, AND LITHIUM SECONDARY BATTERY

      
Application Number KR2024005823
Publication Number 2024/225859
Status In Force
Filing Date 2024-04-29
Publication Date 2024-10-31
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lee, Ji Young
  • Jeong, Myung Gi
  • Jeong, Jin Hoo
  • Hwang, Joo Kyoung
  • Gu, Ye Hyeon
  • Ryu, Hyeon Mo
  • Heo, Kook Jin
  • Lee, Jung Uk
  • Bak, Sang Eun
  • Kim, Jong Hyuk

Abstract

The present invention relates: to a positive electrode active material, which can simultaneously address the issues of conventional secondary particles and the issues of single particles, and which includes particles such as conventional single particles as primary particles and includes secondary particles formed by agglomeration of a plurality of primary particles, thereby improving the energy density by having excellent density characteristics, as well as cell characteristics such as improving the lifespan of a lithium secondary battery and reducing gas generation; and to a positive electrode and lithium secondary battery including same.

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/04 - Processes of manufacture in general
  • H01M 4/02 - Electrodes composed of, or comprising, active material

29.

POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE, AND LITHIUM SECONDARY BATTERY

      
Application Number KR2024005825
Publication Number 2024/225861
Status In Force
Filing Date 2024-04-29
Publication Date 2024-10-31
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lee, Ji Young
  • Jeong, Myung Gi
  • Jeong, Jin Hoo
  • Hwang, Joo Kyoung
  • Gu, Ye Hyeon
  • Ryu, Hyeon Mo
  • Heo, Kook Jin
  • Lee, Jung Uk
  • Bak, Sang Eun
  • Kim, Jong Hyuk

Abstract

The present invention relates to a positive electrode active material, a positive electrode, and a lithium secondary battery, wherein the positive electrode active material can simultaneously solve the problems of conventional secondary particles and the problems of single particles by comprising particles like conventional single particles as primary particles and having secondary particles formed by agglomeration of a plurality of the primary particles, which enables the lithium secondary battery to exhibit excellent density characteristics that enhance the energy density thereof, as well as excellent cell characteristics such as an enhanced lifespan and reduced gas generation.

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/04 - Processes of manufacture in general
  • H01M 4/02 - Electrodes composed of, or comprising, active material

30.

POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE, AND LITHIUM SECONDARY BATTERY

      
Application Number KR2024005826
Publication Number 2024/225862
Status In Force
Filing Date 2024-04-29
Publication Date 2024-10-31
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Jong Hyuk
  • Cho, Seung Beom
  • Jeong, Jin Hoo
  • Jeong, Myung Gi
  • Hwang, Joo Kyoung
  • Lee, Ji Young
  • Ryu, Hyeon Mo
  • Heo, Kook Jin
  • Lee, Jung Uk
  • Bak, Sang Eun

Abstract

The present invention relates to a positive electrode active material enabling solving the conventional secondary particle problem and single particle problem simultaneously, a positive electrode comprising same, and a lithium secondary battery, the positive electrode active material comprising, as primary particles, particles which are the same as the conventional single particle, and comprising secondary particles formed by agglomerating a plurality of the primary particles, and thus enabling not only excellent cell characteristics, such as increased life and reduced gas generation amount, of a lithium secondary battery, but also enabling excellent density characteristics, thereby enhancing energy density.

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/48 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
  • H01M 10/052 - Li-accumulators
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/04 - Processes of manufacture in general
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
  • H01M 4/02 - Electrodes composed of, or comprising, active material

31.

Positive Electrode Active Material, Preparation Method Thereof, And Lithium Secondary Battery Including The Positive Electrode Active Material

      
Application Number 18577480
Status Pending
Filing Date 2022-08-17
First Publication Date 2024-10-31
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Lee, Jun Won
  • Kwak, No Woo
  • Eom, Jun Ho
  • Lim, Chae Jin
  • Park, Na Ri
  • Kim, Ji Hye
  • Jung, Byoung Hun

Abstract

A positive electrode active material includes a lithium composite transition metal oxide. The positive electrode active material is a secondary particle in which primary particles are aggregated. The primary particle includes a coating portion containing an M1 metal, and the coating portion is locally present on surfaces of the primary particles or at inter-particle boundaries of the primary particles. A preparation method thereof, and a lithium secondary battery including the positive electrode active material are also provided.

IPC Classes  ?

32.

NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME

      
Application Number 18579875
Status Pending
Filing Date 2022-12-08
First Publication Date 2024-10-31
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Han, Miyeon
  • Lee, Dong Hoon
  • Jung, Min Woo
  • Park, Seulchan
  • Kim, Hoon Jun
  • Cho, Hye Min
  • Lee, Hojung

Abstract

Provided is a novel compound of Chemical Formula 1: Provided is a novel compound of Chemical Formula 1: Provided is a novel compound of Chemical Formula 1: wherein in Chemical Formula 1: n is an integer of 1 to 6; X is O or S; L1 and L2 are each independently a single bond, substituted or unsubstituted C6-60 arylene, or substituted or unsubstituted C2-60 heteroarylene containing at least one heteroatom selected from the group consisting of O, S, Si, P and B; Ar1 is cyano, substituted or unsubstituted C6-60 aryl, or substituted or unsubstituted C2-60 heteroaryl containing at least one heteroatom selected from the group consisting of O, S, Si, P and B; and Ar2 and Ar3 are each independently substituted or unsubstituted C6-60 aryl, or substituted or unsubstituted C2-60 heteroaryl containing at least one heteroatom selected from the group consisting of O, S, Si, P and B; and an organic light emitting device including the same.

IPC Classes  ?

  • H10K 85/60 - Organic compounds having low molecular weight
  • C07D 405/04 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring- member bond
  • C07D 405/14 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
  • C07D 409/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring- member bond
  • C07D 409/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
  • C07F 7/08 - Compounds having one or more C—Si linkages
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials
  • H10K 50/11 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
  • H10K 85/40 - Organosilicon compounds, e.g. TIPS pentacene

33.

Positive Electrode Active Material and Method of Preparing the Positive Electrode Active Material

      
Application Number 18682709
Status Pending
Filing Date 2022-08-24
First Publication Date 2024-10-31
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Lee, Jun Won
  • Eom, Jun Ho
  • Kwak, No Woo
  • Kim, Ji Hye

Abstract

A positive electrode active material includes a lithium transition metal oxide, which contains 70 mol % or more of nickel (Ni) among total metals excluding lithium and is in a form of a secondary particle formed by aggregation of primary particles. The lithium transition metal oxide has a coating layer containing boron (B). An average aspect ratio of the primary particles present on a surface of the lithium transition metal oxide is in a range of 1.8 to 6.0. The method of preparing the positive electrode active material is also provided. Additionally, a positive electrode and a lithium secondary battery which include the positive electrode active material are provided.

IPC Classes  ?

  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • C01G 53/00 - Compounds of nickel
  • H01M 4/02 - Electrodes composed of, or comprising, active material
  • H01M 4/48 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells

34.

Multiblock Copolymer, Resin Composition and Method for Preparing the Multiblock Copolymer

      
Application Number 18683885
Status Pending
Filing Date 2022-09-30
First Publication Date 2024-10-31
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Park, Ji Hyun
  • Park, Jung Won
  • Kim, Chang Jong
  • Shin, Eun Ji
  • Sa, Seok Pil
  • Im, Seul Ki
  • Lee, Hyun Mo
  • Kim, Yun Kon

Abstract

A multiblock copolymer, a method for preparing same, and a thermoplastic resin composition comprising polypropylene and the multiblock copolymer are described herein. The block copolymer has excellent processability and excellent compatibility with polypropylene, and the thermoplastic resin composition of the present disclosure using the same shows excellent low temperature impact strength and may be usefully used as a thermoplastic resin composition for the manufacture of a product requiring high impact resistance such as automotive parts.

IPC Classes  ?

  • C08F 297/02 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type
  • C08L 23/12 - Polypropene

35.

ESCHERICHIA COLI HAVING 3-HYDROXYPROPIONATE PRODUCTION ABILITY, WITH 3-HYDROXYPROPIONATE PRODUCTION GENE INSERTED INTO SAME, AND USE THEREOF

      
Application Number 18696177
Status Pending
Filing Date 2022-09-30
First Publication Date 2024-10-31
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lee, Jungyeon
  • Sung, Min Kyung
  • Kim, Jae Hyung

Abstract

The present specification pertains to a microorganism and/or Escherichia coli and a use thereof, wherein the microorganism and/or Escherichia coli has 3-hydroxypropionic acid or 3-hydroxypropionate (3-HP) production ability, with a foreign 3-HP production gene inserted into the genomic DNA thereof, and has a use of measuring the production ability of the inserted 3-HP production gene.

IPC Classes  ?

36.

Preparation Method for Ethylene-Vinyl Alcohol Copolymer

      
Application Number 18028856
Status Pending
Filing Date 2022-06-30
First Publication Date 2024-10-31
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Bae, Hyojin
  • Kim, Bongjune
  • Song, Sungjin
  • Baek, Se Won

Abstract

This invention relates to a-A method for preparing ethylene-vinyl alcohol copolymer capable of obtaining ethylene-vinyl alcohol copolymer of high saponification degree, while minimizing the amount of alkali catalysts used is disclosed herein. The method comprises adding a first alkali catalyst solution dropwise to ethylene-vinyl acetate copolymer dispersed in an alcohol solvent, and adding a second alkali catalyst solution dropwise to the first saponification reaction mixture.

IPC Classes  ?

37.

COMPOSITE COMPRISING ORGANOMETAL NANOSTRUCTURE POWDER AND METHOD FOR PREPARING SAME

      
Application Number 18291831
Status Pending
Filing Date 2022-09-05
First Publication Date 2024-10-31
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Han, Jun Kyu
  • Kwon, Heon Yong
  • Kim, Seongmin

Abstract

A composite including a crystalline hybrid nanoporous powder, that can have excellent thermal stability and structural stability with respect to pressure because of the coated structural properties of an organometallic nanostructure on the surface of the seed particle, can maintain the conventional properties during converting from the crystalline hybrid material nanoporous powder into the composite because of the bonding force of the seed particle and the organometal nanostructure, and can reduce the production amount of a fine powder due to abrasion without a deterioration in the ability to adsorb volatile organic compounds (VOC), and a method for producing same.

IPC Classes  ?

  • B01J 20/22 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material

38.

ELECTRODE FOR LITHIUM SECONDARY BATTERY, MANUFACTURING METHOD THEREFOR, AND LITHIUM SECONDARY BATTERY INCLUDING ELECTRODE

      
Application Number KR2024004167
Publication Number 2024/225634
Status In Force
Filing Date 2024-04-01
Publication Date 2024-10-31
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Yu, Ingyoung
  • Lee, Kyoungsoo
  • Kim, Su Jun
  • Jin, Sun Mi

Abstract

The present invention relates to an electrode for a lithium secondary battery, a manufacturing method therefor, and a lithium secondary battery including the electrode. According to the present invention, provided are an electrode for a lithium secondary battery, a manufacturing method therefor, and a lithium secondary battery including the electrode, in which the electrode exhibits excellent durability during charging and discharging, since a porous layer and an electrode active material layer are tightly bound to each other and the porous layer also has high flexibility.

IPC Classes  ?

  • H01M 4/133 - Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 4/139 - Processes of manufacture
  • H01M 10/052 - Li-accumulators
  • H01M 4/134 - Electrodes based on metals, Si or alloys
  • H01M 4/583 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx
  • H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
  • H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
  • H01M 4/02 - Electrodes composed of, or comprising, active material

39.

ORGANIC LIGHT-EMITTING DEVICE

      
Application Number KR2024005562
Publication Number 2024/225758
Status In Force
Filing Date 2024-04-25
Publication Date 2024-10-31
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Cho, Hye Min
  • Han, Miyeon
  • Jung, Min Woo
  • Kim, Hoon Jun
  • Lee, Hojung
  • Heo, Jeonghoe

Abstract

The present invention provides an organic light-emitting device having improved driving voltage, efficiency, and lifespan.

IPC Classes  ?

  • H10K 85/60 - Organic compounds having low molecular weight
  • H10K 50/11 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials

40.

POLY(3-HYDROXYPROPIONIC ACID) POLYMER AND METHOD FOR PREPARING SAME

      
Application Number KR2024005649
Publication Number 2024/225797
Status In Force
Filing Date 2024-04-26
Publication Date 2024-10-31
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lee, Yeonju
  • Cho, Suhyun
  • Kim, Kyeongmin
  • Kim, Chul Woong
  • Park, Byung Hyun

Abstract

The present invention relates to a poly(3-hydroxypropionic acid) polymer comprising a novel network structure and a method for preparing same.

IPC Classes  ?

  • C08G 63/60 - Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from the reaction of a mixture of hydroxy carboxylic acids, polycarboxylic acids and polyhydroxy compounds
  • C08G 63/78 - Preparation processes

41.

POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE, AND LITHIUM SECONDARY BATTERY

      
Application Number KR2024005813
Publication Number 2024/225850
Status In Force
Filing Date 2024-04-29
Publication Date 2024-10-31
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Hwang, Joo Kyoung
  • Jeong, Jin Hoo
  • Cho, Seung Beom
  • Jeong, Myung Gi
  • Lee, Ji Young
  • Ryu, Hyeon Mo
  • Heo, Kook Jin
  • Choi, Song A
  • Lee, Jung Uk
  • Bak, Sang Eun
  • Kim, Jong Hyuk

Abstract

The present invention relates: to a positive electrode active material, which can simultaneously address the issues of conventional secondary particles and the issues of single particles, and which includes particles such as conventional single particles as primary particles and includes secondary particles formed by agglomeration of a plurality of primary particles, thereby improving the energy density by having excellent density characteristics, as well as cell characteristics such as improving the lifespan of a lithium secondary battery and reducing gas generation; and to a positive electrode and lithium secondary battery including same.

IPC Classes  ?

  • H01M 4/02 - Electrodes composed of, or comprising, active material
  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 10/052 - Li-accumulators
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/04 - Processes of manufacture in general

42.

CATHODE ACTIVE MATERIAL, CATHODE, AND LITHIUM SECONDARY BATTERY

      
Application Number KR2024005815
Publication Number 2024/225851
Status In Force
Filing Date 2024-04-29
Publication Date 2024-10-31
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lee, Jung Uk
  • Jeong, Jin Hoo
  • Hwang, Joo Kyoung
  • Lee, Ji Young
  • Ryu, Hyeon Mo
  • Heo, Kook Jin
  • Bak, Sang Eun
  • Kim, Jong Hyuk
  • Cho, Seung Beom
  • Jeong, Myung Gi

Abstract

The present invention relates to a cathode active material, a cathode comprising same, and a lithium secondary battery, wherein the cathode active material, capable of solving both the problems of conventional secondary particles and the problems of conventional single particles, comprises particles, such as conventional single particles, as primary particles, and secondary particles each formed by agglomeration of multiple primary particle, thereby increasing the lifespan of lithium secondary batteries, enhancing cell characteristics such as gas generation reduction, and improving energy density through excellent density characteristics.

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 10/052 - Li-accumulators
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/04 - Processes of manufacture in general
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
  • H01M 4/02 - Electrodes composed of, or comprising, active material

43.

CATHODE ACTIVE MATERIAL, CATHODE, AND LITHIUM SECONDARY BATTERY

      
Application Number KR2024005820
Publication Number 2024/225856
Status In Force
Filing Date 2024-04-29
Publication Date 2024-10-31
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Heo, Kook Jin
  • Kim, Jong Hyuk
  • Jeong, Myung Gi
  • Jeong, Jin Hoo
  • Hwang, Joo Kyoung
  • Lee, Ji Young
  • Ryu, Hyeon Mo
  • Lee, Jung Uk
  • Bak, Sang Eun

Abstract

The present invention relates to a cathode active material and, to a cathode active material, a cathode comprising same, and a lithium secondary battery, the cathode active material enabling problems of conventional secondary particles and problems of discrete particles to be solved simultaneously, and comprising: as primary particles, particles such as conventional discrete particles; and secondary particles formed by aggregating a plurality of primary particles, and thus the present invention has cell characteristics such as improved lifespan of a lithium secondary battery and reduced gas generation, and also has excellent density characteristics so as to have improved energy density.

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
  • H01M 4/04 - Processes of manufacture in general
  • H01M 4/02 - Electrodes composed of, or comprising, active material

44.

CATHODE ACTIVE MATERIAL, CATHODE, AND LITHIUM SECONDARY BATTERY

      
Application Number KR2024005824
Publication Number 2024/225860
Status In Force
Filing Date 2024-04-29
Publication Date 2024-10-31
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Hwang, Joo Kyoung
  • Jeong, Jin Hoo
  • Jeong, Myung Gi
  • Lee, Ji Young
  • Ryu, Hyeon Mo
  • Heo, Kook Jin
  • Lee, Jung Uk
  • Bak, Sang Eun
  • Kim, Jong Hyuk

Abstract

The present invention relates to a cathode active material, a cathode comprising same, and a lithium secondary battery, wherein the cathode active material, capable of solving both the problems of conventional secondary particles and the problems of conventional single particles, comprises particles, such as conventional single particles, as primary particles, and secondary particles each formed by agglomeration of multiple primary particle, thereby increasing the lifespan of lithium secondary batteries, enhancing cell characteristics such as gas generation reduction, and improving energy density through excellent density characteristics.

IPC Classes  ?

  • H01M 4/02 - Electrodes composed of, or comprising, active material
  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 10/052 - Li-accumulators
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/04 - Processes of manufacture in general

45.

NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME

      
Application Number 18681573
Status Pending
Filing Date 2022-10-26
First Publication Date 2024-10-24
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Jung, Min Woo
  • Lee, Dong Hoon
  • Han, Miyeon
  • Park, Seulchan
  • Kim, Hoon Jun
  • Cho, Hye Min
  • Lee, Hojung

Abstract

A novel compound of Chemical Formula 1 and an organic light emitting device including the same: A novel compound of Chemical Formula 1 and an organic light emitting device including the same: A novel compound of Chemical Formula 1 and an organic light emitting device including the same: where Y is O or S: Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing one or more heteroatoms of N, O and S; A and B are each independently a C6-60 aromatic ring or a C2-60 heteroaromatic ring containing one or more heteroatoms of N, O and S which is fused with an adjacent pentagonal ring; D is deuterium; R1 and R2 are each independently deuterium or a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing one or more heteroatoms of N, O and S, provided that at least one of R1 and R2 is deuterium; and the other substituent are as defined in the specification.

IPC Classes  ?

  • H10K 85/60 - Organic compounds having low molecular weight
  • C07D 405/14 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
  • C07D 409/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials
  • H10K 50/12 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants

46.

METHOD FOR PREPARING INTERMEDIATE FOR SYNTHESIS OF XANTHINE OXIDASE INHIBITOR

      
Application Number 18557786
Status Pending
Filing Date 2022-04-26
First Publication Date 2024-10-24
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Ryu, In Ae
  • Lee, Ju Young
  • Yoon, Joo Yong
  • Lee, Seok Ju
  • Park, Ah Byeol
  • Kim, Ki Dae
  • Jeong, Hui Rak

Abstract

The present invention relates to a novel method for preparing an intermediate of Chemical Formula 3, wherein the intermediate can be effectively used in the synthesis of a xanthine oxidase inhibitor.

IPC Classes  ?

  • C07D 403/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings directly linked by a ring-member-to-ring- member bond

47.

NON-CONDUCTIVE FILM, SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF

      
Application Number KR2023017806
Publication Number 2024/219577
Status In Force
Filing Date 2023-11-08
Publication Date 2024-10-24
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Jeong, Minsu
  • Kim, Junghak
  • Nam, Seunghee
  • Cho, Eunbyurl
  • Kim, Kibeom

Abstract

The present invention relates to a non-conductive film, a semiconductor device and a manufacturing method thereof. The non-conductive film effectively prevents the generation of voids during a semiconductor manufacturing process and sufficiently adheres to a semiconductor device, so as to provide a semiconductor device having excellent reliability.

IPC Classes  ?

  • C09J 163/00 - Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
  • C09J 11/04 - Non-macromolecular additives inorganic
  • C08L 61/04 - Condensation polymers of aldehydes or ketones with phenols only
  • C08L 33/20 - Homopolymers or copolymers of acrylonitrile
  • C08L 71/00 - Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
  • H01L 21/683 - Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components for supporting or gripping

48.

METHOD FOR PREPARING RECYCLED POLYOLEFIN RESIN

      
Application Number KR2024004895
Publication Number 2024/219753
Status In Force
Filing Date 2024-04-12
Publication Date 2024-10-24
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Do Dam
  • Oh, Hyun Taek
  • Kim, Jae Young
  • Han, Jung Jin
  • Nam, Soo Ah

Abstract

The present invention provides a method for preparing a recycled polyolefin resin, comprising the steps of: introducing washing water and a base resin containing polyolefin into a washing machine equipped with a rotating member, and washing the base resin by a wet friction method through high-speed rotation of the rotating member; and supplying the washed base resin to an extruder and extruding same, wherein the washing water includes water, a nonionic surfactant, and chitosan. According to the present invention, the use of a nonionic surfactant in the step of washing the base resin promotes the separation of foreign substances, and chitosan can be used in combination therewith to prevent the separated foreign substances from being reattached to the base resin, thereby improving the effect of removing foreign substances. Therefore, it is possible to prepare a recycled polyolefin resin in which odor generation and deterioration in physical properties are suppressed.

IPC Classes  ?

  • B29B 17/02 - Separating plastics from other materials
  • B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
  • C11D 1/72 - Ethers of polyoxyalkylene glycols
  • C11D 3/22 - Carbohydrates or derivatives thereof
  • C08L 23/06 - Polyethene

49.

HEAT CONTROL MEMBER COMPRISING WET-GEL BLANKET

      
Application Number KR2024005152
Publication Number 2024/219815
Status In Force
Filing Date 2024-04-17
Publication Date 2024-10-24
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kang, Tae Gyeong
  • Oh, Kyoung Shil
  • Oh, Myung Eun
  • Kim, Ho Yeon
  • Um, Ki Ju

Abstract

The present invention relates to a heat control member comprising a wet-gel blanket, and a battery comprising same.

IPC Classes  ?

  • C01B 33/152 - Preparation of hydrogels
  • C01B 33/146 - After-treatment of sols
  • C09K 5/14 - Solid materials, e.g. powdery or granular
  • H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding

50.

AEROGEL BLANKET

      
Application Number KR2024005156
Publication Number 2024/219817
Status In Force
Filing Date 2024-04-17
Publication Date 2024-10-24
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kang, Tae Gyeong
  • Oh, Kyoung Shil
  • Um, Ki Ju
  • Kim, Ho Yeon

Abstract

The present invention relates to an aerogel blanket, an insulating member containing same, a battery including the same insulating member, and a method for manufacturing the aerogel blanket, wherein the aerogel blanket comprises aerogel and a blanket substrate, with an organic content of 1.2 wt% or less. The aerogel blanket according to the present invention has a low organic content, exhibiting excellent heat absorption and extinguishing properties, and thus is effective in controlling fire outbreaks and spread when used in various products.

IPC Classes  ?

  • C01B 33/158 - Purification; Drying; Dehydrating
  • C01B 33/159 - Coating or hydrophobisation
  • H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding

51.

LIGAND COMPOUND, ORGANIC CHROMIUM COMPOUND AND CATALYST COMPOSITION COMPRISING SAME

      
Application Number KR2024005208
Publication Number 2024/219842
Status In Force
Filing Date 2024-04-18
Publication Date 2024-10-24
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Cho, Yeon Ho
  • Lim, Won Taeck
  • Kim, Seok Sun
  • Jung, Seung Hwan
  • Shin, Eun Ji
  • Sa, Seok Pil
  • Kim, Tae Hee
  • Min, Se Hye

Abstract

The present invention relates to: a ligand compound having a novel structure, which exhibits high 1-hexene and 1-octene selectivity while exhibiting high catalytic activity, thereby enabling ethylene oligomerization with excellent efficiency; an organic chromium compound; a catalyst composition comprising the organic chromium compound; and a method for oligomerizing ethylene by using same.

IPC Classes  ?

  • C07F 11/00 - Compounds containing elements of Groups 6 or 16 of the Periodic System
  • C07C 2/34 - Metal-hydrocarbon complexes
  • C07C 11/02 - Alkenes
  • C07C 11/107 - Alkenes with six carbon atoms
  • B01J 31/18 - Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony
  • B01J 31/14 - Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides of aluminium or boron

52.

LIGAND COMPOUND, ORGANIC CHROMIUM COMPOUND, AND CATALYST COMPOSITION COMPRISING SAME

      
Application Number KR2024005209
Publication Number 2024/219843
Status In Force
Filing Date 2024-04-18
Publication Date 2024-10-24
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lim, Won Taeck
  • Cho, Yeon Ho
  • Kim, Seok Sun
  • Jung, Seung Hwan
  • Shin, Eun Ji
  • Sa, Seok Pil
  • Kim, Tae Hee
  • Min, Se Hye

Abstract

The present invention relates to: a ligand compound that has a novel structure and exhibits high catalytic activity and high 1-hexene and 1-octene selectivity, and thus can perform ethylene oligomerization with excellent efficiency; an organic chromium compound; a catalyst composition comprising the organic chromium compound; and a method for oligomerizing ethylene using same.

IPC Classes  ?

  • C07F 9/50 - Organo-phosphines
  • C07F 7/08 - Compounds having one or more C—Si linkages
  • C07F 11/00 - Compounds containing elements of Groups 6 or 16 of the Periodic System
  • C07F 19/00 - Metal compounds according to more than one of main groups
  • C07C 2/34 - Metal-hydrocarbon complexes
  • C07C 11/02 - Alkenes
  • C07C 11/107 - Alkenes with six carbon atoms
  • B01J 31/18 - Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony
  • B01J 31/14 - Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides of aluminium or boron

53.

PREPARATION METHOD OF SUPER ABSORBENT POLYMER AND SUPER ABSORBENT POLYMER

      
Application Number 18566082
Status Pending
Filing Date 2022-06-20
First Publication Date 2024-10-24
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Nam, Dae Woo
  • Min, Kyunghoon
  • Lee, Seul Ah
  • Baek, Seokhyeon
  • Ahn, Gyunhyeok

Abstract

The present disclosure relates to a method for preparing a super absorbent polymer. More specifically, according to the preparation method of a super absorbent polymer of the present disclosure, it is possible to effectively control the initiation and inhibition of polymerization reactions, thereby reducing the content of unreacted monomers in the final product.

IPC Classes  ?

  • B01J 20/26 - Synthetic macromolecular compounds
  • B01J 20/30 - Processes for preparing, regenerating or reactivating

54.

Encapsulant Film Composition and Encapsulant Film Including the Same

      
Application Number 18580719
Status Pending
Filing Date 2023-05-16
First Publication Date 2024-10-24
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Gong, Jin Sam
  • Lee, Eun Jung
  • Park, Sang Eun
  • Lee, Si Jung
  • Kim, Jong Gil

Abstract

An encapsulant film composition including an ethylene/alpha-olefin copolymer and a crosslinking aid comprising a compound represented by Formula 1 below, an encapsulant film, and a solar cell module are described. When an encapsulant film is produced using such encapsulant film composition, the immersing time of an ethylene/alpha-olefin copolymer is reduced so that the economic viability of a process of producing an encapsulant film can be improved. In addition, the encapsulant film composition produced exhibits excellent crosslinking degree. An encapsulant film composition including an ethylene/alpha-olefin copolymer and a crosslinking aid comprising a compound represented by Formula 1 below, an encapsulant film, and a solar cell module are described. When an encapsulant film is produced using such encapsulant film composition, the immersing time of an ethylene/alpha-olefin copolymer is reduced so that the economic viability of a process of producing an encapsulant film can be improved. In addition, the encapsulant film composition produced exhibits excellent crosslinking degree. wherein all the variables are described herein.

IPC Classes  ?

  • C08J 5/18 - Manufacture of films or sheets
  • C08K 5/14 - Peroxides
  • C08K 5/5419 - Silicon-containing compounds containing oxygen containing at least one Si—O bond containing at least one Si—C bond
  • H01L 31/048 - Encapsulation of modules

55.

Multiblock Copolymer, Resin Composition Comprising Same and Methods for Preparing Them

      
Application Number 18683926
Status Pending
Filing Date 2022-09-30
First Publication Date 2024-10-24
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Cho, Sol
  • Park, Ji Hyun
  • Im, Seul Ki
  • Lee, Hyun Mo
  • Kim, Yun Kon
  • Shin, Eun Ji
  • Sa, Seok Pil

Abstract

A multiblock copolymer having a structure in which polystyrene chains are attached to both terminals of a polyolefin chain, a resin composition comprising same, and methods for preparing them are described herein.

IPC Classes  ?

  • C08F 297/02 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type
  • C08L 53/00 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers

56.

CATHODE ACTIVE MATERIAL, METHOD FOR PRODUCING SAME, AND CATHODE AND LITHIUM SECONDARY BATTERY EACH COMPRISING SAME

      
Application Number KR2024005123
Publication Number 2024/219804
Status In Force
Filing Date 2024-04-17
Publication Date 2024-10-24
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Choe, Gwang Seok
  • Jeong, Myung Gi
  • Ju, Jin Wook
  • Woo, Sang Won
  • Lym, Jae Seung
  • Kim, Jeong Won
  • Jung, Jin Hee
  • Kim, Sol Jin
  • Kim, Jun Seong

Abstract

90105050, and β is a value of D90-D1050222.

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • C01G 53/00 - Compounds of nickel
  • H01M 4/02 - Electrodes composed of, or comprising, active material

57.

METHOD FOR PREPARING STEAM OR HOT WATER USING WASTE HEAT OF COOLING WATER

      
Application Number KR2024095367
Publication Number 2024/219915
Status In Force
Filing Date 2024-02-19
Publication Date 2024-10-24
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Oh, Suk Yung
  • Hwang, Jeong A
  • Lee, Sang Yoon
  • Kim, Hyun Ho
  • Ko, Jun Seok

Abstract

The present invention provides a method for preparing steam or hot water and a system for performing the method, the method including the steps of: (S1) introducing process waste heat fluids supplied from multiple waste heat sources into heat exchangers configured to have a number corresponding to the number of the multiple waste heat sources, respectively, so as to perform heat exchange with cooling water; (S2) introducing, into a refrigerant evaporator, cooling water that has risen in temperature due to the heat exchange with the process waste heat fluids in the respective heat exchangers via an integrated pipe and evaporating a refrigerant through heat exchange with the refrigerant; (S3) compressing the evaporated refrigerant stream in a refrigerant compressor; (S4) heat exchanging the compressed refrigerant stream with water in a refrigerant condenser to generate a condensed refrigerant stream and steam or hot water; and (S5) causing the condensed refrigerant stream to pass through a refrigerant expansion valve, to be pressurized, and then to be circulated to the refrigerant evaporator.

IPC Classes  ?

  • F22B 1/18 - Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
  • F22B 31/04 - Heat supply by installation of two or more combustion apparatus, e.g. of separate combustion apparatus for the boiler and the superheater respectively
  • F24D 17/00 - Domestic hot-water supply systems
  • F25B 27/02 - Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines

58.

NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME

      
Application Number KR2024095734
Publication Number 2024/219945
Status In Force
Filing Date 2024-04-15
Publication Date 2024-10-24
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Cho, Hye Min
  • Jung, Min Woo
  • Han, Miyeon
  • Lee, Jungha
  • Oh, Joongsuk
  • Kim, Hoon Jun
  • Lee, Hojung
  • Park, Hyungjin
  • Heo, Jeonghoe

Abstract

The present invention provides a novel compound and an organic light emitting device using same.

IPC Classes  ?

  • C07D 405/14 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
  • C07D 409/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
  • H10K 85/60 - Organic compounds having low molecular weight
  • H10K 50/11 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials

59.

Coating Thickness Measuring Apparatus and Method

      
Application Number 18701049
Status Pending
Filing Date 2023-04-25
First Publication Date 2024-10-17
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Lee, Do-Hyun
  • Lee, Seung-Heon

Abstract

Disclosed is a coating thickness measuring apparatus and method. Disclosed is a coating thickness measuring apparatus and method. The coating thickness measuring apparatus according to an embodiment of the present disclosure includes a data obtaining unit configured to obtain thickness data indicating a thickness of a coating material applied to a contact portion of a substrate in contact with a coating roll while the substrate coated with the coating material is transported by the coating roll; and a processor configured to create a virtual memory zone having a plurality of storage areas in which correction data is distributed and stored and correct the thickness data based on the correction data pre-stored in a target storage area selected from the plurality of storage areas to generate corrected thickness data.

IPC Classes  ?

  • G01B 11/06 - Measuring arrangements characterised by the use of optical techniques for measuring length, width, or thickness for measuring thickness
  • G01B 21/04 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness by measuring coordinates of points

60.

ISOLATION METHOD FOR LACTIDE RACEMATE

      
Application Number 18272034
Status Pending
Filing Date 2022-06-08
First Publication Date 2024-10-17
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • An, Yujin
  • Jung, Hyunchul
  • Oh, Wan Kyu

Abstract

The present invention provides an isolation method enabling lactide racemate to be isolated in a high yield and with high efficiency without concern for side reactions even if L-lactide percentage is low.

IPC Classes  ?

  • C07D 319/12 - 1,4-Dioxanes; Hydrogenated 1,4-dioxanes not condensed with other rings
  • C07B 63/00 - Purification; Separation specially adapted for the purpose of recovering organic compounds; Stabilisation; Use of additives

61.

POLY(LACTIC ACID-B-3-HYDROXYPROPIONIC ACID) BLOCK COPOLYMER AND METHOD FOR PREPARATION THEREOF

      
Application Number 18293494
Status Pending
Filing Date 2022-08-24
First Publication Date 2024-10-17
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Jeon, Harim
  • Choi, Jung Yun
  • Choe, Dongcheol
  • Kim, Chul Woong
  • Kim, Yulliana
  • Cho, Suhyun
  • Jeong, Yongbok
  • Lee, Hokeun

Abstract

A poly(lactic acid-b-3-hydroxypropionic acid) block copolymer characterized in that mechanical properties of the block copolymer are excellent by introducing a lactide optical isomer-derived repeating unit and a poly(3-hydroxypropionic acid) repeating unit at the same time, and thus its application fields can be expanded.

IPC Classes  ?

  • C08G 63/06 - Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxy carboxylic acids
  • C08G 63/78 - Preparation processes

62.

ORGANIC LIGHT EMITTING DEVICE

      
Application Number 18293874
Status Pending
Filing Date 2022-08-05
First Publication Date 2024-10-17
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Minjun
  • Lee, Dong Hoon
  • Suh, Sang Duk
  • Kim, Young Seok
  • Lee, Da Jung

Abstract

An organic light-emitting device. light emitting device having a light emitting layer including a compound of Chemical Formula 1 and a compound of Chemical Formula 2: An organic light-emitting device. light emitting device having a light emitting layer including a compound of Chemical Formula 1 and a compound of Chemical Formula 2: An organic light-emitting device. light emitting device having a light emitting layer including a compound of Chemical Formula 1 and a compound of Chemical Formula 2: Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S, each Ar3 is independently hydrogen, deuterium, or a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S, and at least one of Ar1, Ar2-Ar3 is a substituted or unsubstituted C16-60 aryl polycyclic aromatic ring, An organic light-emitting device. light emitting device having a light emitting layer including a compound of Chemical Formula 1 and a compound of Chemical Formula 2: Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S, each Ar3 is independently hydrogen, deuterium, or a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S, and at least one of Ar1, Ar2-Ar3 is a substituted or unsubstituted C16-60 aryl polycyclic aromatic ring, An organic light-emitting device. light emitting device having a light emitting layer including a compound of Chemical Formula 1 and a compound of Chemical Formula 2: Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S, each Ar3 is independently hydrogen, deuterium, or a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S, and at least one of Ar1, Ar2-Ar3 is a substituted or unsubstituted C16-60 aryl polycyclic aromatic ring, Ar5 and Ar6 are each substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S, and the other substituents are as defined in the specification, provided that Ar3 is not An organic light-emitting device. light emitting device having a light emitting layer including a compound of Chemical Formula 1 and a compound of Chemical Formula 2: Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S, each Ar3 is independently hydrogen, deuterium, or a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S, and at least one of Ar1, Ar2-Ar3 is a substituted or unsubstituted C16-60 aryl polycyclic aromatic ring, Ar5 and Ar6 are each substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S, and the other substituents are as defined in the specification, provided that Ar3 is not An organic light-emitting device. light emitting device having a light emitting layer including a compound of Chemical Formula 1 and a compound of Chemical Formula 2: Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S, each Ar3 is independently hydrogen, deuterium, or a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S, and at least one of Ar1, Ar2-Ar3 is a substituted or unsubstituted C16-60 aryl polycyclic aromatic ring, Ar5 and Ar6 are each substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S, and the other substituents are as defined in the specification, provided that Ar3 is not when Ar3 is an unsubstituted C16-60 aryl polycyclic aromatic ring.

IPC Classes  ?

  • H10K 85/60 - Organic compounds having low molecular weight
  • C07C 211/54 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
  • C07C 211/61 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton with at least one of the condensed ring systems formed by three or more rings
  • C07D 209/86 - Carbazoles; Hydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
  • C07D 307/91 - Dibenzofurans; Hydrogenated dibenzofurans
  • C07D 333/76 - Dibenzothiophenes
  • C07D 405/04 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring- member bond
  • C07D 405/10 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a carbon chain containing aromatic rings
  • C07D 405/12 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links
  • C07D 405/14 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
  • C07D 409/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
  • C07D 409/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials
  • H10K 50/11 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
  • H10K 101/00 - Properties of the organic materials covered by group

63.

NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME

      
Application Number 18294486
Status Pending
Filing Date 2022-08-11
First Publication Date 2024-10-17
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Yoon, Jung Min
  • Hong, Sung Kil
  • Heo, Dong Uk
  • Han, Miyeon
  • Lee, Jae Tak
  • Yun, Heekyung

Abstract

A compound of Chemical Formula 1: A compound of Chemical Formula 1: A compound of Chemical Formula 1: wherein: L1 and L2 are each independently a substituted or unsubstituted C6-60 arylene, each R1 is independently hydrogen, deuterium, halogen, cyano, or a substituted or unsubstituted: C1-60 alkyl, C2-60 alkenyl, C2-60 alkynyl, C3-60 cycloalkyl, C6-60 aryl or C2-60 heteroaryl containing one or more of N, O and S; one of Ar1 and Ar2 is a substituent of Chemical Formula 2, and the other is a substituted or unsubstituted C14-60 aromatic fused polycyclic ring: A compound of Chemical Formula 1: wherein: L1 and L2 are each independently a substituted or unsubstituted C6-60 arylene, each R1 is independently hydrogen, deuterium, halogen, cyano, or a substituted or unsubstituted: C1-60 alkyl, C2-60 alkenyl, C2-60 alkynyl, C3-60 cycloalkyl, C6-60 aryl or C2-60 heteroaryl containing one or more of N, O and S; one of Ar1 and Ar2 is a substituent of Chemical Formula 2, and the other is a substituted or unsubstituted C14-60 aromatic fused polycyclic ring: A compound of Chemical Formula 1: wherein: L1 and L2 are each independently a substituted or unsubstituted C6-60 arylene, each R1 is independently hydrogen, deuterium, halogen, cyano, or a substituted or unsubstituted: C1-60 alkyl, C2-60 alkenyl, C2-60 alkynyl, C3-60 cycloalkyl, C6-60 aryl or C2-60 heteroaryl containing one or more of N, O and S; one of Ar1 and Ar2 is a substituent of Chemical Formula 2, and the other is a substituted or unsubstituted C14-60 aromatic fused polycyclic ring: wherein: each X is independently N or CH, provided that at least one X is N; and Ar3 and Ar4 are each independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing one or more of N, O and S, and the other substituents are as defined in the specification; and an organic light emitting device comprising the same.

IPC Classes  ?

  • H10K 85/60 - Organic compounds having low molecular weight
  • C07D 251/24 - Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hydrogen or carbon atoms directly attached to at least one ring carbon atom to three ring carbon atoms
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials
  • H10K 50/16 - Electron transporting layers
  • H10K 50/17 - Carrier injection layers

64.

ORGANIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME

      
Application Number KR2024004694
Publication Number 2024/215045
Status In Force
Filing Date 2024-04-09
Publication Date 2024-10-17
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Ha, Jae Seung
  • Geum, Sujeong
  • Lee, Da Jung
  • Jeon, Jiye
  • Cho, Woo Jin
  • Choi, Ji Young
  • Lee, Woochul

Abstract

The present specification relates to a compound represented by chemical formula 1-1 or chemical formula 1-2 and an organic light-emitting device comprising same, wherein the compound represented by chemical formula 1-1 or chemical formula 1-2 is a compound in which anthracene, serving as a key core when functioning as a blue fluorescent host compound, is substituted with deuterium, and the compound represented by chemical formula 1-1 or chemical formula 1-2 can be used in an organic light-emitting device to achieve enhanced device characteristics, such as low driving voltages, high efficiency, or excellent lifespan.

IPC Classes  ?

  • C07D 307/91 - Dibenzofurans; Hydrogenated dibenzofurans
  • H10K 85/60 - Organic compounds having low molecular weight
  • H10K 50/12 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials

65.

CATHODE ACTIVE MATERIAL, PREPARATION METHOD THEREFOR, AND CATHODE AND LITHIUM SECONDARY BATTERY WHICH COMPRISE SAME

      
Application Number KR2024004699
Publication Number 2024/215048
Status In Force
Filing Date 2024-04-09
Publication Date 2024-10-17
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Jeong, Jin Hoo
  • Jeong, Myung Gi
  • Ju, Jin Wook
  • Woo, Sang Won
  • Hwang, Joo Kyoung
  • Jung, Jin Hee
  • Gu, Ye Hyeon

Abstract

5050) of greater than 5.5 μm and 10.0 μm or less, wherein the lithium composite transition metal oxide comprises Al, Y and Zr.

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 10/052 - Li-accumulators
  • C01G 53/00 - Compounds of nickel
  • H01M 4/02 - Electrodes composed of, or comprising, active material

66.

POSITIVE ELECTRODE MATERIAL, AND POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

      
Application Number KR2024004740
Publication Number 2024/215064
Status In Force
Filing Date 2024-04-09
Publication Date 2024-10-17
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Jung, Jin Hee
  • Ju, Jin Wook
  • Kim, Sol Jin
  • Kim, Jun Seong
  • Woo, Sang Won
  • Lym, Jae Seung
  • Kim, Jeong Won
  • Choe, Gwang Seok

Abstract

5050) than that of the first positive electrode active material, wherein, when a pressure of 6,500 kgf/cm2 is applied to the positive electrode material, the volume of particles with a particle diameter of 1 ㎛ or less is 10% or less of the total volume of particles present in the positive electrode material.

IPC Classes  ?

  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 10/052 - Li-accumulators
  • H01M 4/02 - Electrodes composed of, or comprising, active material

67.

RESIN COMPRISING POLY(LACTIC ACID-B-3-HYDROXYPROPIONIC ACID) BLOCK COPOLYMER, AND RESIN COMPOSITION AND RESIN MOLDED PRODUCT COMPRISING SAME

      
Application Number 18681562
Status Pending
Filing Date 2023-01-30
First Publication Date 2024-10-17
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Yeonsoo
  • Lee, Chaegyu
  • Lee, Myunghan
  • Kim, Chul Woong
  • Lee, Jeongyong
  • Choi, Jung Yun
  • Cho, Suhyun
  • Jeong, So Dam

Abstract

The present specification relates to a resin including a poly (lactic acid-b-3-hydroxypropionic acid) block co-polymer, a resin composition including the same, and a resin molded article.

IPC Classes  ?

  • C08G 63/91 - Polymers modified by chemical after-treatment

68.

Ink Composition, Organic Material Layer Comprising Same, and Organic Light-Emitting Device Comprising Same

      
Application Number 18681705
Status Pending
Filing Date 2022-09-14
First Publication Date 2024-10-17
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Lee, Keunsoo
  • Park, Jung Ha
  • Kang, Eunhye
  • Kim, Byungjae
  • Seo, Minseob
  • Lee, Jaechol
  • Lee, Jiyoung
  • Lee, Ho Gyu

Abstract

Provided are an ink composition comprising a compound represented by Chemical Formula 1, a first solvent represented by Chemical Formula A, and a second solvent represented by Chemical Formula B-1 or B-2, an organic material layer including the same and an organic light emitting device including the same, Provided are an ink composition comprising a compound represented by Chemical Formula 1, a first solvent represented by Chemical Formula A, and a second solvent represented by Chemical Formula B-1 or B-2, an organic material layer including the same and an organic light emitting device including the same, Provided are an ink composition comprising a compound represented by Chemical Formula 1, a first solvent represented by Chemical Formula A, and a second solvent represented by Chemical Formula B-1 or B-2, an organic material layer including the same and an organic light emitting device including the same, wherein all the variables are described herein.

IPC Classes  ?

  • C09D 11/36 - Inkjet printing inks based on non-aqueous solvents
  • C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
  • H10K 50/11 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
  • H10K 71/13 - Deposition of organic active material using liquid deposition, e.g. spin coating using printing techniques, e.g. ink-jet printing or screen printing
  • H10K 85/60 - Organic compounds having low molecular weight

69.

Method for Manufacturing Crosslinked Structure-Containing Separator for Lithium Secondary Battery, Crosslinked Structure-Containing Separator for Lithium Secondary Battery Obtained Thereby, and Lithium Secondary Battery Including the Same

      
Application Number 18683941
Status Pending
Filing Date 2022-08-17
First Publication Date 2024-10-17
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Lee, Joo-Sung
  • Mun, Sung Cik
  • Han, Sun-Jae
  • Kim, Bong-Tae
  • Jung, Kil-An

Abstract

A method for manufacturing a crosslinked structure-containing separator for a lithium secondary battery includes supplying polyolefin and a diluting agent to an extruder to extrude a polyolefin composition; molding and orienting the extruded polyolefin composition into the form of a sheet; dipping the oriented sheet in an extraction solution to extract the diluting agent, thereby providing a polyolefin-based porous support; and irradiating ultraviolet rays to the polyolefin-based porous support, wherein the extraction solution has an upper layer and a lower layer, the lower layer includes a photoinitiator and a solvent for the photoinitiator, the upper layer includes a non-solvent for the photoinitiator, and the photoinitiator is present in an amount of 0.01-0.3 parts by weight based on 100 parts by weight of the solvent for the photoinitiator. Also provided is a crosslinked structure-containing separator for a lithium secondary battery and a lithium secondary battery including the crosslinked structure-containing separator.

IPC Classes  ?

70.

COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME

      
Application Number 18752757
Status Pending
Filing Date 2024-06-24
First Publication Date 2024-10-17
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Ha, Jae Seung
  • Geum, Sujeong
  • Kim, Seonwoo
  • Lee, Woochul
  • Cho, Woo Jin
  • Cha, Yongbum

Abstract

A compound of Chemical Formula 1: A compound of Chemical Formula 1: A compound of Chemical Formula 1: wherein X1 is O or S; any one of R1 to R5 is a moiety bonded to L1 of the following Chemical Formula A at **: A compound of Chemical Formula 1: wherein X1 is O or S; any one of R1 to R5 is a moiety bonded to L1 of the following Chemical Formula A at **: A compound of Chemical Formula 1: wherein X1 is O or S; any one of R1 to R5 is a moiety bonded to L1 of the following Chemical Formula A at **: Ar1 is a substituted or unsubstituted aryl group, Chemical Formula 1 comprises at least one deuterium, and the other substituents are as defined in the specification; and an organic light-emitting device including the same. When a compound of Chemical Formula 1 is included in an organic light emitting device, the device exhibits lower driving voltage, improved light efficiency, and improved service life characteristics.

IPC Classes  ?

  • H10K 85/60 - Organic compounds having low molecular weight
  • C07D 307/79 - Benzo [b] furans; Hydrogenated benzo [b] furans with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
  • C07D 307/91 - Dibenzofurans; Hydrogenated dibenzofurans
  • C07D 333/54 - Benzo [b] thiophenes; Hydrogenated benzo [b] thiophenes with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
  • C07D 405/04 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring- member bond
  • C07D 409/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring- member bond
  • C07D 409/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials
  • H10K 50/12 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants

71.

ORGANIC LIGHT EMITTING DEVICE

      
Application Number 18275390
Status Pending
Filing Date 2022-05-16
First Publication Date 2024-10-17
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Minjun
  • Lee, Dong Hoon
  • Suh, Sang Duk
  • Kim, Young Seok

Abstract

An organic light emitting device comprising an anode, a cathode, and a light emitting layer between the anode and the cathode, the light emitting layer comprising a compound of Chemical Formula 1 and a compound of Chemical Formula 2, and having improved driving voltage, efficiency and lifetime is provided. An organic light emitting device comprising an anode, a cathode, and a light emitting layer between the anode and the cathode, the light emitting layer comprising a compound of Chemical Formula 1 and a compound of Chemical Formula 2, and having improved driving voltage, efficiency and lifetime is provided.

IPC Classes  ?

  • H10K 85/60 - Organic compounds having low molecular weight
  • C07D 307/77 - Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
  • C07D 307/91 - Dibenzofurans; Hydrogenated dibenzofurans
  • C07D 333/50 - Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
  • C07D 405/04 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring- member bond
  • C07D 405/10 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a carbon chain containing aromatic rings
  • C07D 405/12 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links
  • C07D 405/14 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
  • C07D 409/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
  • C07D 409/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
  • C07F 7/08 - Compounds having one or more C—Si linkages
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials
  • H10K 50/12 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
  • H10K 85/40 - Organosilicon compounds, e.g. TIPS pentacene
  • H10K 101/00 - Properties of the organic materials covered by group

72.

METHOD FOR PRODUCING ACRYLIC ACID THROUGH DEHYDRATION OF LACTIC ACID, AND APPARATUS FOR MANUFACTURING SAME

      
Application Number KR2024004307
Publication Number 2024/215008
Status In Force
Filing Date 2024-04-03
Publication Date 2024-10-17
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Hong, Daeho
  • Choi, Inho
  • Cha, Seoncheol
  • Kang, Tae Hun
  • Lim, Joonhyung

Abstract

The present invention relates to: a method for producing acrylic acid through the dehydration of lactic acid; and an apparatus for manufacturing same.

IPC Classes  ?

  • C07C 51/377 - Preparation of carboxylic acids or their salts, halides, or anhydrides by reactions not involving formation of carboxyl groups by hydrogenolysis of functional groups
  • C07C 51/43 - Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
  • C07C 57/04 - Acrylic acid; Methacrylic acid
  • C07B 35/06 - Decomposition, e.g. elimination of halogens, water or hydrogen halides

73.

COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME

      
Application Number KR2024004950
Publication Number 2024/215137
Status In Force
Filing Date 2024-04-12
Publication Date 2024-10-17
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Cha, Yongbum
  • Kim, Kyunghee
  • Kim, Moung Gon
  • Lee, Woochul
  • Hwang, Sunghyun

Abstract

The present specification relates to a compound of chemical formula 1 and an organic light-emitting device comprising same. The compound of chemical formula 1 has indolo[2,3-c]carbazole as a main backbone having two Ns, one being substituted with an aryl (or alkyl) silyl group and the other being substituted with Ar. Here, Ar is a C6-18 aryl group substituted or unsubstituted with at least one selected from the group consisting of deuterium, a cyano group, an alkyl group, a cycloalkyl group and an aryl group, or is a C6-18 substituted or unsubstituted heteroaryl group containing O and/or S.

IPC Classes  ?

  • C07F 7/08 - Compounds having one or more C—Si linkages
  • H10K 85/40 - Organosilicon compounds, e.g. TIPS pentacene
  • H10K 85/60 - Organic compounds having low molecular weight
  • H10K 50/11 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
  • H10K 50/15 - Hole transporting layers
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials

74.

Compound, Coating Composition Including Same, Organic Light-Emitting Device Using Same, and Manufacturing Method Therefor

      
Application Number 18690893
Status Pending
Filing Date 2022-09-13
First Publication Date 2024-10-10
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Jung, Sejin
  • Shin, Hyeonah
  • Lee, Jiyoung
  • Lim, Dowon
  • Jang, Songrim
  • Choi, Doowhan
  • Lee, Jaechol

Abstract

Provided are a compound of Chemical Formula 1, a coating composition including the compound, an organic light emitting device using the coating composition, and a manufacturing method thereof, Provided are a compound of Chemical Formula 1, a coating composition including the compound, an organic light emitting device using the coating composition, and a manufacturing method thereof, wherein all the variables are described herein.

IPC Classes  ?

  • H10K 85/60 - Organic compounds having low molecular weight
  • C07C 211/61 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton with at least one of the condensed ring systems formed by three or more rings
  • C07D 307/91 - Dibenzofurans; Hydrogenated dibenzofurans
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials
  • H10K 50/17 - Carrier injection layers

75.

ORGANIC LIGHT EMITTING DEVICE

      
Application Number 18267079
Status Pending
Filing Date 2022-04-05
First Publication Date 2024-10-10
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Minjun
  • Lee, Dong Hoon
  • Suh, Sang Duk
  • Kim, Young Seok
  • Kim, Donghee

Abstract

An organic light emitting device comprising an anode; a cathode; and a light emitting layer between the anode and the cathode, the light emitting layer including a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2, is provided. An organic light emitting device comprising an anode; a cathode; and a light emitting layer between the anode and the cathode, the light emitting layer including a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2, is provided. [Chemical formula2] An organic light emitting device comprising an anode; a cathode; and a light emitting layer between the anode and the cathode, the light emitting layer including a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2, is provided. [Chemical formula2]

IPC Classes  ?

  • H10K 50/12 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
  • H10K 85/60 - Organic compounds having low molecular weight

76.

ORGANIC LIGHT EMITTING DEVICE

      
Application Number 18566998
Status Pending
Filing Date 2022-07-14
First Publication Date 2024-10-10
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Minjun
  • Lee, Dong Hoon
  • Suh, Sang Duk
  • Kim, Young Seok

Abstract

An organic light emitting device comprising an anode; a cathode; and a light emitting layer between the anode and the cathode, the light emitting layer comprising a first compound of Chemical Formula 1 and a second compound of Chemical Formula 2: An organic light emitting device comprising an anode; a cathode; and a light emitting layer between the anode and the cathode, the light emitting layer comprising a first compound of Chemical Formula 1 and a second compound of Chemical Formula 2: An organic light emitting device comprising an anode; a cathode; and a light emitting layer between the anode and the cathode, the light emitting layer comprising a first compound of Chemical Formula 1 and a second compound of Chemical Formula 2: wherein: Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl; R is deuterium or a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S, provided that carbazolyl and benzocarbazolyl are excluded from R; X is O or S; R1 and R10 are each independently hydrogen, deuterium, or a substituent of Chemical Formula 3, provided that one of R1 to R10 is a substituent of Chemical Formula 3: An organic light emitting device comprising an anode; a cathode; and a light emitting layer between the anode and the cathode, the light emitting layer comprising a first compound of Chemical Formula 1 and a second compound of Chemical Formula 2: wherein: Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl; R is deuterium or a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S, provided that carbazolyl and benzocarbazolyl are excluded from R; X is O or S; R1 and R10 are each independently hydrogen, deuterium, or a substituent of Chemical Formula 3, provided that one of R1 to R10 is a substituent of Chemical Formula 3: An organic light emitting device comprising an anode; a cathode; and a light emitting layer between the anode and the cathode, the light emitting layer comprising a first compound of Chemical Formula 1 and a second compound of Chemical Formula 2: wherein: Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl; R is deuterium or a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S, provided that carbazolyl and benzocarbazolyl are excluded from R; X is O or S; R1 and R10 are each independently hydrogen, deuterium, or a substituent of Chemical Formula 3, provided that one of R1 to R10 is a substituent of Chemical Formula 3: and the other substituents are as defined in the specification, the device exhibiting improved driving voltage, luminous efficiency and lifetime.

IPC Classes  ?

  • H10K 85/60 - Organic compounds having low molecular weight
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials
  • H10K 50/11 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
  • H10K 85/40 - Organosilicon compounds, e.g. TIPS pentacene
  • H10K 101/00 - Properties of the organic materials covered by group

77.

COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME

      
Application Number KR2024004204
Publication Number 2024/210441
Status In Force
Filing Date 2024-04-02
Publication Date 2024-10-10
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Ha, Jae Seung
  • Geum, Sujeong
  • Lee, Woochul
  • Jeon, Jiye
  • Cho, Woo Jin
  • Choi, Ji Young

Abstract

The present specification relates to a compound of chemical formula 1 and an organic light-emitting device comprising same. The compound of chemical formula 1 is a compound in which anthracene, which plays a key core role when functioning as a blue fluorescent host compound, is substituted with deuterium. The compound of chemical formula 1 may be used in an organic light-emitting device to improve device characteristics, such as lowering the driving voltage, enhancing efficiency, or extending lifespan.

IPC Classes  ?

  • C07D 307/91 - Dibenzofurans; Hydrogenated dibenzofurans
  • H10K 85/60 - Organic compounds having low molecular weight
  • H10K 50/12 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials

78.

LIGAND COMPOUND, ORGANIC CHROMIUM COMPOUND, AND CATALYST COMPOSITION COMPRISING SAME

      
Application Number KR2024004258
Publication Number 2024/210470
Status In Force
Filing Date 2024-04-02
Publication Date 2024-10-10
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Seok Sun
  • Cho, Yeon Ho
  • Lim, Won Taeck
  • Jung, Seung Hwan
  • Shin, Eun Ji
  • Sa, Seok Pil
  • Kim, Tae Hee
  • Min, Se Hye

Abstract

The present invention provides: a ligand compound having a novel structure that exhibits high catalytic activity while exhibiting high 1-hexene and 1-octene selectivity, thus enabling ethylene oligomerization with excellent efficiency; an organic chromium compound; a catalyst composition comprising the organic chromium compound; and a method for oligomerizing ethylene using same.

IPC Classes  ?

  • C07F 11/00 - Compounds containing elements of Groups 6 or 16 of the Periodic System
  • C07C 2/34 - Metal-hydrocarbon complexes
  • C07C 11/02 - Alkenes
  • C07C 11/107 - Alkenes with six carbon atoms
  • B01J 31/18 - Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony
  • B01J 31/14 - Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides of aluminium or boron

79.

FLAME-RETARDANT RESIN COMPOSITION AND METHOD FOR PREPARING SAME

      
Application Number KR2024004269
Publication Number 2024/210476
Status In Force
Filing Date 2024-04-02
Publication Date 2024-10-10
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Yang, Hee Seung
  • Bae, Seon Hyeong
  • Nam, Ki Young
  • Yoo, Je Sun
  • Sim, Jae Young

Abstract

The present invention pertains to a flame-retardant resin composition to which a reactive phosphorus flame-retardant has been applied and, as flame-retardant aids, a first flame-retardant aid including an ethylene methylacrylate copolymer (EMA) and/or a second flame-retardant aid including silane-coated ammonium polyphosphate (SAPP) have been applied, which enable improving both impact strength and flame retardancy.

IPC Classes  ?

  • C08L 55/02 - ABS [Acrylonitrile-Butadiene-Styrene] polymers
  • C08L 85/02 - Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon; Compositions of derivatives of such polymers containing phosphorus
  • C08L 23/08 - Copolymers of ethene
  • C08G 79/04 - Phosphorus linked to oxygen or to oxygen and carbon

80.

PRETREATMENT SYSTEM AND PRETREATMENT METHOD FOR TESTING METAL COMPONENTS IN SAMPLE

      
Application Number KR2024004327
Publication Number 2024/210510
Status In Force
Filing Date 2024-04-03
Publication Date 2024-10-10
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kang, Hosung
  • Nho, Hyun Woo
  • Shin, Minhwa
  • Park, Jeseob
  • Park, Se Jung
  • Lee, Seojin
  • Lee, Minyoung
  • Jung, Min Hwan
  • Ahn, Minchul
  • Kim, Kyeongrak

Abstract

Disclosed are a pretreatment system and a pretreatment method for testing metal components in a sample. The pretreatment system comprises: a robot comprising a plurality of arms capable of rotating relative to one another, wherein the foremost ends of the plurality of arms are movable within an operating radius; a gripper device mounted on the foremost end of the robot and including, one one side thereof, a first gripper unit for holding or placing a dosing head and, on the other side thereof, a second gripper unit for holding or placing a tube; a dosing head holder capable of holding a plurality of dosing heads; a tube holder capable of holding a plurality of tubes in each of which a tube cap is attached to a tube body; a sample input device including a sample input part lifting device in which the dosing heads are placed and which is capable of moving up and down and a tube placement cup positioned below the sample input part lifting device and in which the tubes are placed, the sample input device being configured to input a sample placed in the dosing heads into the tube placed in the tube placement cup; a cap opening/closing device configured to separate a tube cap from the tube body or to combine the tube cap with the tube body; an acid injection device configured to inject an acid into a tube containing the sample or to inject distilled water into a tube containing an acid in which the sample is dissolved; a heat shaker configured to heat and shake the tube containing the acid mixed with the sample to dissolve the sample in the acid; a vision device for acquiring an image of a set portion of a tube containing a sample solution in which the sample is dissolved in the acid; and a pipetting device configured to transfer a portion of a solution contained in one tube to another tube.

IPC Classes  ?

  • G01N 1/40 - Concentrating samples
  • G01N 1/38 - Diluting, dispersing or mixing samples
  • G01N 1/36 - Embedding or analogous mounting of samples
  • G01N 21/84 - Systems specially adapted for particular applications
  • G01N 35/00 - Automatic analysis not limited to methods or materials provided for in any single one of groups ; Handling materials therefor
  • G01N 35/10 - Devices for transferring samples to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
  • G01N 13/00 - Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
  • G01N 21/17 - Systems in which incident light is modified in accordance with the properties of the material investigated

81.

CATHODE ACTIVE MATERIAL, AND CATHODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

      
Application Number KR2024004347
Publication Number 2024/210522
Status In Force
Filing Date 2024-04-03
Publication Date 2024-10-10
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Jun Gyu
  • Kim, Kyung Inn
  • Jeong, Jong Seok
  • Kim, Kyeong Rak
  • Kang, Ho Sung
  • Park, Jung Won
  • Park, Je Seob
  • Yeo, Soo Jung
  • Oh, Myoung Hwan
  • Kwak, Ho Young

Abstract

The present invention relates to a cathode active material, and a cathode and a lithium secondary battery that comprise same, wherein the the cathode active material comprises lithium transition metal oxide particles in the form of single-particle, wherein the lithium transition metal oxide has an average sphericity of 0.70 or more according to equation 1 described in the present specification. When an electrode comprising the lithium transition metal oxide is roll-pressed to have a porosity of 20%, the average sphericity according to equation 1 described in the present specification is 0.70 or more.

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 10/052 - Li-accumulators
  • H01M 4/02 - Electrodes composed of, or comprising, active material

82.

CARBON NANOTUBE DISPERSION AND PREPARATION METHOD THEREFOR

      
Application Number KR2024004437
Publication Number 2024/210571
Status In Force
Filing Date 2024-04-04
Publication Date 2024-10-10
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Jang, Young Jin
  • Yang, Young Jo
  • Kim, Eun Bum
  • Yoon, Ki Youl

Abstract

The present invention relates to: a carbon nanotube dispersion comprising carbon nanotubes, a first dispersant which is a cellulose-based dispersant, a second dispersant comprising hexafluoropropylene (HFP) as a repeating unit, and a solvent; and a preparation method for the carbon nanotube dispersion. The carbon nanotube dispersion of the present invention has low initial viscosity and low change rate for same, and thus is highly stable when stored and facilitates processing.

IPC Classes  ?

  • C01B 32/174 - Derivatisation; Solubilisation; Dispersion in solvents
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers

83.

METHOD OF PREPARING POLYMER FILM, POLYMER FILM, SUBSTRATE FOR DISPLAY DEVICE, AND OPTICAL DEVICE USING THE SAME

      
Application Number 18577001
Status Pending
Filing Date 2023-02-20
First Publication Date 2024-10-10
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Han, Seung Jin
  • Park, Jinyoung
  • Park, Chan Hyo

Abstract

The present invention relates to a method of preparing a polymer resin film capable of realizing excellent heat resistance and optical properties, a substrate for a display device using the polymer resin film, and an optical device.

IPC Classes  ?

  • C09D 179/08 - Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
  • C08G 73/10 - Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
  • H10K 59/80 - Constructional details

84.

COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME

      
Application Number 18660201
Status Pending
Filing Date 2024-05-09
First Publication Date 2024-10-10
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Yoon, Jung Min
  • Yun, Heekyung
  • Lee, Jae Tak
  • Han, Su Jin
  • Heo, Dong Uk
  • Hong, Sung Kil

Abstract

The present specification relates to a compound of Chemical Formula 1 and an organic light emitting device including the same.

IPC Classes  ?

  • H10K 85/60 - Organic compounds having low molecular weight
  • C07D 401/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials
  • H10K 50/16 - Electron transporting layers
  • H10K 50/17 - Carrier injection layers
  • H10K 50/18 - Carrier blocking layers

85.

Biodegradable Composition and Biodegradable Film

      
Application Number 18700000
Status Pending
Filing Date 2023-06-09
First Publication Date 2024-10-10
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Park, Hyunwoo
  • Shim, Hong Shik
  • Jeon, Kwang Seoung
  • Hwang, Daehyeon
  • Park, Minsung
  • Je, Hwaheon
  • Yun, Haesung

Abstract

A biodegradable composition and a biodegradable film each including polybutylene adipate terephthalate (PBAT) and polybutylene adipate terephthalate (PBAT) with maleic acid ester-bonded to a terminal hydroxy group (—OH).

IPC Classes  ?

  • C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds

86.

CATALYST FOR HYDROGENATION REACTION AND METHOD FOR MANUFACTURING THE SAME

      
Application Number 18741542
Status Pending
Filing Date 2024-06-12
First Publication Date 2024-10-10
Owner
  • LG CHEM, LTD. (Republic of Korea)
  • KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY (Republic of Korea)
Inventor
  • Suh, Myungji
  • Ko, Dong Hyun
  • Choi, Minkee
  • Choi, Yeonwoo

Abstract

A method for manufacturing a catalyst for a hydrogenation reaction, the method including: preparing a polymer support including a repeating unit of Formula 1, and supporting a catalytic component on the polymer support: A method for manufacturing a catalyst for a hydrogenation reaction, the method including: preparing a polymer support including a repeating unit of Formula 1, and supporting a catalytic component on the polymer support: A method for manufacturing a catalyst for a hydrogenation reaction, the method including: preparing a polymer support including a repeating unit of Formula 1, and supporting a catalytic component on the polymer support: wherein in Formula 1, means a point where the repeating units are linked, L1, L2 and L3 are O, R1 and R2 are the same as or different from each other, and are each independently hydrogen, an alkyl group having 1 to 10 carbon atoms, or an aryl group having 6 to 20 carbon atoms, m is 0 or 1, and p and q are each independently an integer from 0 to 4.

IPC Classes  ?

  • B01J 31/06 - Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing polymers
  • B01J 23/44 - Palladium
  • B01J 37/04 - Mixing
  • B01J 37/08 - Heat treatment
  • B01J 37/34 - Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves
  • C07C 5/09 - Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by hydrogenation of carbon-to-carbon triple bonds to carbon-to-carbon double bonds

87.

COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME

      
Application Number KR2024004202
Publication Number 2024/210440
Status In Force
Filing Date 2024-04-02
Publication Date 2024-10-10
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Ha, Jae Seung
  • Geum, Sujeong
  • Lee, Woochul
  • Jeon, Jiye
  • Cho, Woo Jin
  • Choi, Ji Young

Abstract

The present specification relates to a compound of chemical formula 1 and an organic light-emitting device comprising same. The compound of chemical formula 1 is a compound in which anthracene, which plays a key core role when functioning as a blue fluorescent host compound, is substituted with deuterium. The compound of chemical formula 1 may be used in an organic light-emitting device to improve device characteristics, such as lowering the driving voltage, enhancing efficiency, or extending lifespan.

IPC Classes  ?

  • C07D 307/91 - Dibenzofurans; Hydrogenated dibenzofurans
  • H10K 85/60 - Organic compounds having low molecular weight
  • H10K 50/12 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials

88.

COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME

      
Application Number KR2024004205
Publication Number 2024/210442
Status In Force
Filing Date 2024-04-02
Publication Date 2024-10-10
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Ha, Jae Seung
  • Geum, Sujeong
  • Lee, Woochul
  • Jeon, Jiye
  • Cho, Woo Jin
  • Choi, Ji Young

Abstract

The present specification relates to a compound of chemical formula 1 and an organic light-emitting device comprising same. The compound of chemical formula 1 is a compound in which anthracene, which plays a key core role when functioning as a blue fluorescent host compound, is substituted with deuterium. The compound of chemical formula 1 may be used in an organic light-emitting device to improve device characteristics, such as lowering the driving voltage, enhancing efficiency, or extending lifespan.

IPC Classes  ?

  • C07D 307/91 - Dibenzofurans; Hydrogenated dibenzofurans
  • H10K 85/60 - Organic compounds having low molecular weight
  • H10K 50/12 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials

89.

COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE CONTAINING SAME

      
Application Number KR2024004207
Publication Number 2024/210443
Status In Force
Filing Date 2024-04-02
Publication Date 2024-10-10
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Ha, Jae Seung
  • Geum, Sujeong
  • Lee, Woochul
  • Jeon, Jiye
  • Cho, Woo Jin
  • Choi, Ji Young

Abstract

The present specification relates to a compound represented by chemical formula 1 and an organic light-emitting device containing same. The compound of chemical formula 1 is a deuterated anthracene compound that serves as a key core when functioning as a blue fluorescent host compound. When used in an organic light-emitting device, the compound of chemical formula 1 can improve device characteristics, such as exhibiting lower driving voltage, excellent efficiency, and enhanced lifespan.

IPC Classes  ?

  • C07D 307/91 - Dibenzofurans; Hydrogenated dibenzofurans
  • H10K 85/60 - Organic compounds having low molecular weight
  • H10K 50/12 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials

90.

COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME

      
Application Number KR2024004208
Publication Number 2024/210444
Status In Force
Filing Date 2024-04-02
Publication Date 2024-10-10
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Ha, Jae Seung
  • Geum, Sujeong
  • Lee, Woochul
  • Jeon, Jiye
  • Cho, Woo Jin
  • Choi, Ji Young

Abstract

The present specification relates to a compound of chemical formula 1 and an organic light-emitting device comprising same. The compound of chemical formula 1 is a compound in which anthracene that plays an essential core role when functioning as a blue fluorescence host compound is substituted with deuterium. When the compound of chemical formula 1 is used in an organic light-emitting device, device characteristics including low driving voltage, excellent efficiency characteristics, or excellent lifespan characteristics may be improved.

IPC Classes  ?

  • C07D 307/91 - Dibenzofurans; Hydrogenated dibenzofurans
  • H10K 85/60 - Organic compounds having low molecular weight
  • H10K 50/12 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials

91.

COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME

      
Application Number KR2024004209
Publication Number 2024/210445
Status In Force
Filing Date 2024-04-02
Publication Date 2024-10-10
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Ha, Jae Seung
  • Geum, Sujeong
  • Lee, Woochul
  • Jeon, Jiye
  • Cho, Woo Jin
  • Choi, Ji Young

Abstract

The present specification relates to a compound of chemical formula 1 and an organic light-emitting device comprising same. The compound of chemical formula 1 is a compound in which anthracene that plays an essential core role when functioning as a blue fluorescence host compound is substituted with deuterium. When the compound of chemical formula 1 is used in an organic light-emitting device, device characteristics including low driving voltage, excellent efficiency characteristics, or excellent lifespan characteristics may be improved.

IPC Classes  ?

  • C07D 307/91 - Dibenzofurans; Hydrogenated dibenzofurans
  • H10K 85/60 - Organic compounds having low molecular weight
  • H10K 50/12 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
  • C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials

92.

CATHODE ACTIVE MATERIAL, AND CATHODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

      
Application Number KR2024004255
Publication Number 2024/210467
Status In Force
Filing Date 2024-04-02
Publication Date 2024-10-10
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Cheong, Sang Hun
  • Lee, Sang Won
  • Jang, Ho Yeok
  • Jeong, Jong Seok
  • Kang, Ho Sung
  • Park, Je Seob
  • Oh, Myoung Hwan
  • Kim, Jun Gyu

Abstract

iiii) of the ith crystalline particle relative to the single particle cross-sectional area (A) when the single particle consists of i crystalline particles.

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 10/052 - Li-accumulators
  • H01M 4/02 - Electrodes composed of, or comprising, active material

93.

FLAME-RETARDANT RESIN COMPOSITION, AND METHOD FOR PRODUCING SAME

      
Application Number KR2024004268
Publication Number 2024/210475
Status In Force
Filing Date 2024-04-02
Publication Date 2024-10-10
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Yang, Hee Seung
  • Bae, Seon Hyeong
  • Nam, Ki Young
  • Yoo, Je Sun
  • Sim, Jae Young

Abstract

The present invention relates to: a flame-retardant resin composition having excellent flame retardancy due to including a specific compound as a phosphorus-based flame retardant; and a method for producing same.

IPC Classes  ?

  • C08L 55/02 - ABS [Acrylonitrile-Butadiene-Styrene] polymers
  • C08L 25/12 - Copolymers of styrene with unsaturated nitriles
  • C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
  • C08L 85/02 - Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon; Compositions of derivatives of such polymers containing phosphorus
  • C08G 79/04 - Phosphorus linked to oxygen or to oxygen and carbon

94.

CATHODE ACTIVE MATERIAL, CATHODE CONTAINING SAME, AND LITHIUM SECONDARY BATTERY

      
Application Number KR2024004355
Publication Number 2024/210526
Status In Force
Filing Date 2024-04-03
Publication Date 2024-10-10
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Kim, Do Yeon
  • Yeo, Soo Jung
  • Kim, Kyeong Rak
  • Kwak, Ho Young
  • Kim, Kyung Inn
  • Jeong, Jong Seok
  • Kang, Ho Sung
  • Lee, Sang Won
  • Oh, Myoung Hwan
  • Kim, Jun Gyu
  • Park, Jung Won
  • Park, Je Seob

Abstract

The present invention relates to a cathode active material, and a cathode and a lithium secondary battery, each containing the material, wherein the cathode active material includes a lithium transition metal oxide in the form of single particles, the lithium transition metal oxide satisfying at least one of the conditions 1 to 3 described in the description.

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 10/052 - Li-accumulators
  • C01G 53/00 - Compounds of nickel
  • H01M 4/04 - Processes of manufacture in general
  • C30B 29/22 - Complex oxides
  • H01M 4/02 - Electrodes composed of, or comprising, active material

95.

POLYESTER POLYOL COPOLYMER AND MEHTOD FOR PRODUCING POLYESTER POLYOL COPOLYMER

      
Application Number KR2024004364
Publication Number 2024/210532
Status In Force
Filing Date 2024-04-03
Publication Date 2024-10-10
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Park, Sai Bom
  • Park, Hyungil
  • Lee, Hokeun
  • Kang, Donggyun
  • Kim, Chul Woong

Abstract

The present invention relates to a polyester polyol copolymer having excellent mechanical properties as well as eco-friendly and biodegradable properties and a method for producing the polyester polyol copolymer.

IPC Classes  ?

  • C08G 63/91 - Polymers modified by chemical after-treatment
  • C08G 63/06 - Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxy carboxylic acids
  • C08G 63/08 - Lactones or lactides
  • C08G 63/82 - Preparation processes characterised by the catalyst used
  • C08G 63/85 - Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof

96.

CARBON NANOTUBE DISPERSION AND PREPARATION METHOD THEREFOR

      
Application Number KR2024004439
Publication Number 2024/210573
Status In Force
Filing Date 2024-04-04
Publication Date 2024-10-10
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Jang, Young Jin
  • Yang, Young Jo
  • Kim, Eun Bum
  • Yoon, Ki Youl

Abstract

The present invention relates to: a carbon nanotube dispersion comprising carbon nanotubes, a first dispersant which is carboxyalkyl cellulose of 9,000 g/mol or less weight average molecular weight, a second dispersant which is polyvinyl butyral (PVB), and a solvent; and a preparation method for the carbon nanotube dispersion. The carbon nanotube dispersion of the present invention has low initial viscosity and low change rate for same, and thus is highly stable when stored and facilitates processing.

IPC Classes  ?

  • C01B 32/174 - Derivatisation; Solubilisation; Dispersion in solvents
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers

97.

Coating Composition, Organic Light-Emitting Device Comprising Same, and Manufacturing Method Therefor

      
Application Number 18682710
Status Pending
Filing Date 2023-01-17
First Publication Date 2024-10-03
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Choi, Hyunju
  • Park, Hyungil
  • Lee, Jaechol
  • Jeong, Su Hun
  • Kim, Yongwook

Abstract

Provided are a coating composition comprising a compound represented by Chemical Formula 1, a compound represented by Chemical Formula 2 and a solvent, an organic light emitting device including the same, and a method for manufacturing the same, Provided are a coating composition comprising a compound represented by Chemical Formula 1, a compound represented by Chemical Formula 2 and a solvent, an organic light emitting device including the same, and a method for manufacturing the same, Provided are a coating composition comprising a compound represented by Chemical Formula 1, a compound represented by Chemical Formula 2 and a solvent, an organic light emitting device including the same, and a method for manufacturing the same, wherein all the variables are described herein.

IPC Classes  ?

  • C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
  • H10K 85/60 - Organic compounds having low molecular weight
  • H10K 101/30 - Highest occupied molecular orbital [HOMO], lowest unoccupied molecular orbital [LUMO] or Fermi energy values

98.

Positive Electrode Current Collector Coated With Adhesion Enhancement Layer and Positive Electrode for Lithium Secondary Battery and Lithium Secondary Battery Comprising the Same

      
Application Number 18575946
Status Pending
Filing Date 2022-10-24
First Publication Date 2024-10-03
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Kim, Min-Soo
  • Seo, Jung-Hyun
  • Jung, Soon-Hwa

Abstract

A positive electrode current collector coated with an adhesion enhancement layer includes an aluminum foil current collector, and an adhesion enhancement layer coated on at least one surface of the aluminum foil current collector. The adhesion enhancement layer includes a first binder polymer and a first conductive material, wherein the adhesion enhancement layer includes 40 to 80 weight % of Al and 1 to 10 weight % of F and has a ratio of F/Al contents of 0.0125 to 0.25 when measured on surfaces of the adhesion enhancement layer by energy-dispersive X-ray spectroscopy (EDX), wherein the first binder polymer includes a first polyvinylidene fluoride-based polymer.

IPC Classes  ?

  • H01M 4/66 - Selection of materials
  • H01M 4/02 - Electrodes composed of, or comprising, active material
  • H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries

99.

Preparation Method of Super Absorbent Polymer

      
Application Number 18578177
Status Pending
Filing Date 2022-07-18
First Publication Date 2024-10-03
Owner LG Chem, Ltd. (Republic of Korea)
Inventor
  • Jeong, Woongchan
  • Kim, Yeonsoo
  • Han, Chang Hun
  • Sohn, Jungmin
  • Lee, Myunghan
  • Lee, Hyemin
  • Ryu, Jihye

Abstract

Provided is a method of preparing a superabsorbent polymer. More particularly, provided is a method of preparing a superabsorbent polymer, in which a multi-step foaming process using a foam stabilizer is performed to form a hierarchical bubble distribution in the superabsorbent polymer to be prepared, thereby preparing the superabsorbent polymer having excellent absorption rate and absorption performance.

IPC Classes  ?

  • B01J 20/26 - Synthetic macromolecular compounds
  • B01J 20/28 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
  • B01J 20/30 - Processes for preparing, regenerating or reactivating

100.

POLY(3-HYDROXYPROPIONIC ACID) BLOCK COPOLYMER, MANUFACTURING METHOD THEREOF AND PRODUCTS CONTAINING THE SAME

      
Application Number 18580087
Status Pending
Filing Date 2022-08-04
First Publication Date 2024-10-03
Owner LG CHEM, LTD. (Republic of Korea)
Inventor
  • Lee, Yeonju
  • Cho, Suhyun
  • Kang, Donggyun
  • Choi, Jong Young
  • Kim, Chul Woong
  • Jeon, Harim

Abstract

In a poly(3-hydroxypropionic acid) block copolymer according to the present invention, 3-hydroxypropionic acids and lactone monomers or, additionally, lactide monomers are introduced so as to improve various physical properties such as the thermal property, crystallinity and tensile property of a biodegradable polymer, and thus the application fields thereof can be expanded.

IPC Classes  ?

  • C08G 63/08 - Lactones or lactides
  • C08G 63/82 - Preparation processes characterised by the catalyst used
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