IPC Classification

Class code (prefix) Descriptions Number of results
C22C 1/00 Making non-ferrous alloys
C22C 1/02 Making non-ferrous alloys by melting
C22C 1/03 Making non-ferrous alloys by melting using master alloys
C22C 1/04 Making non-ferrous alloys by powder metallurgy
C22C 1/05 Mixtures of metal powder with non-metallic powder
C22C 1/06 Making non-ferrous alloys with the use of special agents for refining or deoxidising
C22C 1/08 Alloys with open or closed pores
C22C 1/10 Alloys containing non-metals
C22C 1/11 Making amorphous alloys
C22C 1/12 Making non-ferrous alloys by processing in a semi-solid state, e.g. holding the alloy in the solid-liquid phase
C22C 1/047 Making non-ferrous alloys by powder metallurgy comprising intermetallic compounds
C22C 1/051 Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
C22C 1/053 Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds
C22C 1/055 Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds using carbon
C22C 1/056 Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds using gas
C22C 1/057 Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor with in situ formation of phases other than hard compounds by solid state reaction sintering, e.g. metal phase formed by reduction reaction
C22C 1/059 Making alloys comprising less than 5% by weight of dispersed reinforcing phases
C22C 3/00 Removing material from non-ferrous alloys to produce alloys of different constitution
C22C 5/00 Alloys based on noble metals
C22C 5/02 Alloys based on gold
C22C 5/04 Alloys based on a platinum group metal
C22C 5/06 Alloys based on silver
C22C 5/08 Alloys based on silver with copper as the next major constituent
C22C 5/10 Alloys based on silver with cadmium as the next major constituent
C22C 7/00 Alloys based on mercury
C22C 9/00 Alloys based on copper
C22C 9/01 Alloys based on copper with aluminium as the next major constituent
C22C 9/02 Alloys based on copper with tin as the next major constituent
C22C 9/04 Alloys based on copper with zinc as the next major constituent
C22C 9/05 Alloys based on copper with manganese as the next major constituent
C22C 9/06 Alloys based on copper with nickel or cobalt as the next major constituent
C22C 9/08 Alloys based on copper with lead as the next major constituent
C22C 9/10 Alloys based on copper with silicon as the next major constituent
C22C 11/00 Alloys based on lead
C22C 11/02 Alloys based on lead with an alkali or an alkaline earth metal as the next major constituent
C22C 11/04 Alloys based on lead with copper as the next major constituent
C22C 11/06 Alloys based on lead with tin as the next major constituent
C22C 11/08 Alloys based on lead with antimony or bismuth as the next major constituent
C22C 11/10 Alloys based on lead with antimony or bismuth as the next major constituent with tin
C22C 12/00 Alloys based on antimony or bismuth
C22C 13/00 Alloys based on tin
C22C 13/02 Alloys based on tin with antimony or bismuth as the next major constituent
C22C 14/00 Alloys based on titanium
C22C 16/00 Alloys based on zirconium
C22C 18/00 Alloys based on zinc
C22C 18/02 Alloys based on zinc with copper as the next major constituent
C22C 18/04 Alloys based on zinc with aluminium as the next major constituent
C22C 19/00 Alloys based on nickel or cobalt
C22C 19/03 Alloys based on nickel or cobalt based on nickel
C22C 19/05 Alloys based on nickel or cobalt based on nickel with chromium
C22C 19/07 Alloys based on nickel or cobalt based on cobalt
C22C 20/00 Alloys based on cadmium
C22C 21/00 Alloys based on aluminium
C22C 21/02 Alloys based on aluminium with silicon as the next major constituent
C22C 21/04 Modified aluminium-silicon alloys
C22C 21/06 Alloys based on aluminium with magnesium as the next major constituent
C22C 21/08 Alloys based on aluminium with magnesium as the next major constituent with silicon
C22C 21/10 Alloys based on aluminium with zinc as the next major constituent
C22C 21/12 Alloys based on aluminium with copper as the next major constituent
C22C 21/14 Alloys based on aluminium with copper as the next major constituent with silicon
C22C 21/16 Alloys based on aluminium with copper as the next major constituent with magnesium
C22C 21/18 Alloys based on aluminium with copper as the next major constituent with zinc
C22C 22/00 Alloys based on manganese
C22C 23/00 Alloys based on magnesium
C22C 23/02 Alloys based on magnesium with aluminium as the next major constituent
C22C 23/04 Alloys based on magnesium with zinc or cadmium as the next major constituent
C22C 23/06 Alloys based on magnesium with a rare earth metal as the next major constituent
C22C 24/00 Alloys based on an alkali or an alkaline earth metal
C22C 25/00 Alloys based on beryllium
C22C 26/00 Alloys containing diamond
C22C 27/00 Alloys based on rhenium or a refractory metal not mentioned in groups or
C22C 27/02 Alloys based on vanadium, niobium or tantalum
C22C 27/04 Alloys based on tungsten or molybdenum
C22C 27/06 Alloys based on chromium
C22C 28/00 Alloys based on a metal not provided for in groups
C22C 29/00 Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides
C22C 29/02 Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides
C22C 29/04 Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbonitrides
C22C 29/06 Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
C22C 29/08 Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
C22C 29/10 Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on titanium carbide
C22C 29/12 Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on oxides
C22C 29/14 Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on borides
C22C 29/16 Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on nitrides
C22C 29/18 Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on silicides
C22C 30/00 Alloys containing less than 50% by weight of each constituent
C22C 30/02 Alloys containing less than 50% by weight of each constituent containing copper
C22C 30/04 Alloys containing less than 50% by weight of each constituent containing tin or lead
C22C 30/06 Alloys containing less than 50% by weight of each constituent containing zinc
C22C 32/00 Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
C22C 33/00 Making ferrous alloys
C22C 33/02 Making ferrous alloys by powder metallurgy
C22C 33/04 Making ferrous alloys by melting
C22C 33/06 Making ferrous alloys by melting using master alloys
C22C 33/08 Making cast-iron alloys
C22C 33/10 Making cast-iron alloys including procedures for adding magnesium
C22C 33/12 Making cast-iron alloys including procedures for adding magnesium by fluidised injection
C22C 35/00 Master alloys for iron or steel
C22C 37/00 Cast-iron alloys
C22C 37/04 Cast-iron alloys containing spheroidal graphite
C22C 37/06 Cast-iron alloys containing chromium
C22C 37/08 Cast-iron alloys containing chromium with nickel
C22C 37/10 Cast-iron alloys containing aluminium or silicon
C22C 38/00 Ferrous alloys, e.g. steel alloys
C22C 38/02 Ferrous alloys, e.g. steel alloys containing silicon
C22C 38/04 Ferrous alloys, e.g. steel alloys containing manganese
C22C 38/06 Ferrous alloys, e.g. steel alloys containing aluminium
C22C 38/08 Ferrous alloys, e.g. steel alloys containing nickel
C22C 38/10 Ferrous alloys, e.g. steel alloys containing cobalt
C22C 38/12 Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium or niobium
C22C 38/14 Ferrous alloys, e.g. steel alloys containing titanium or zirconium
C22C 38/16 Ferrous alloys, e.g. steel alloys containing copper
C22C 38/18 Ferrous alloys, e.g. steel alloys containing chromium
C22C 38/20 Ferrous alloys, e.g. steel alloys containing chromium with copper
C22C 38/22 Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
C22C 38/24 Ferrous alloys, e.g. steel alloys containing chromium with vanadium
C22C 38/26 Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
C22C 38/28 Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
C22C 38/30 Ferrous alloys, e.g. steel alloys containing chromium with cobalt
C22C 38/32 Ferrous alloys, e.g. steel alloys containing chromium with boron
C22C 38/34 Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
C22C 38/36 Ferrous alloys, e.g. steel alloys containing chromium with more than 1.7% by weight of carbon
C22C 38/38 Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
C22C 38/40 Ferrous alloys, e.g. steel alloys containing chromium with nickel
C22C 38/42 Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
C22C 38/44 Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
C22C 38/46 Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
C22C 38/48 Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
C22C 38/50 Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
C22C 38/52 Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
C22C 38/54 Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
C22C 38/56 Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.7% by weight of carbon
C22C 38/58 Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
C22C 38/60 Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium or antimony, or more than 0.04% by weight of sulfur
C22C 43/00 Alloys containing radioactive materials
C22C 45/00 Amorphous alloys
C22C 45/02 Amorphous alloys with iron as the major constituent
C22C 45/04 Amorphous alloys with nickel or cobalt as the major constituent
C22C 45/06 Amorphous alloys with beryllium as the major constituent
C22C 45/08 Amorphous alloys with aluminium as the major constituent
C22C 45/10 Amorphous alloys with molybdenum, tungsten, niobium, tantalum, titanium, or zirconium as the major constituent
C22C 47/00 Making alloys containing metallic or non-metallic fibres or filaments
C22C 47/02 Pretreatment of the fibres or filaments
C22C 47/04 Pretreatment of the fibres or filaments by coating, e.g. with a protective or activated covering
C22C 47/06 Pretreatment of the fibres or filaments by forming the fibres or filaments into a preformed structure, e.g. using a temporary binder to form a mat-like element
C22C 47/08 Making alloys containing metallic or non-metallic fibres or filaments by contacting the fibres or filaments with molten metal, e.g. by infiltrating the fibres or filaments placed in a mould
C22C 47/10 Infiltration in the presence of a reactive atmosphere; Reactive infiltration
C22C 47/12 Infiltration or casting under mechanical pressure
C22C 47/14 Making alloys containing metallic or non-metallic fibres or filaments by powder metallurgy, i.e. by processing mixtures of metal powder and fibres or filaments
C22C 47/16 Making alloys containing metallic or non-metallic fibres or filaments by thermal spraying of the metal, e.g. plasma spraying
C22C 47/18 Making alloys containing metallic or non-metallic fibres or filaments by thermal spraying of the metal, e.g. plasma spraying using a preformed structure of fibres or filaments
C22C 47/20 Making alloys containing metallic or non-metallic fibres or filaments by subjecting to pressure and heat an assembly comprising at least one metal layer or sheet and one layer of fibres or filaments
C22C 49/00 Alloys containing metallic or non-metallic fibres or filaments
C22C 49/02 Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
C22C 49/04 Light metals
C22C 49/06 Aluminium
C22C 49/08 Iron group metals
C22C 49/10 Refractory metals
C22C 49/11 Titanium
C22C 49/12 Intermetallic matrix material
C22C 49/14 Alloys containing metallic or non-metallic fibres or filaments characterised by the fibres or filaments
C22C 101/00 Non-metallic fibres or filaments
C22C 101/02 Non-metallic fibres or filaments based on oxides, e.g. oxide ceramic fibres
C22C 101/04 Aluminium oxide
C22C 101/06 Mixed oxides, e.g. aluminium silicate or glass
C22C 101/08 Non-metallic fibres or filaments based on non-oxides, e.g. non-oxide ceramic fibres
C22C 101/10 Carbon
C22C 101/12 Carbides
C22C 101/14 Silicon carbide
C22C 101/16 Nitrides
C22C 101/18 Silicon nitride
C22C 101/20 Boron
C22C 101/22 Borides
C22C 111/00 Metallic fibres or filaments
C22C 111/02 Refractory metal fibres or filaments, e.g. tungsten fibres
C22C 121/00 Pretreated fibres or filaments
C22C 121/02 Coated fibres or filaments, e.g. ceramic fibres with protective coatings