IPC Classification

Class code (prefix) Descriptions Number of results
B41M 1/00 Inking and printing with a printer's forme
B41M 1/02 Letterpress printing, e.g. book printing
B41M 1/04 Flexographic printing
B41M 1/06 Lithographic printing
B41M 1/08 Dry printing
B41M 1/10 Intaglio printing
B41M 1/12 Stencil printing; Silk-screen printing
B41M 1/14 Multicolour printing
B41M 1/16 Multicolour printing using different inks which flow into one another to produce iridescent effects
B41M 1/18 Printing one ink over another
B41M 1/20 Multicolour printing by applying differently-coloured inks simultaneously to different parts of the printing surface
B41M 1/22 Metallic printing; Printing with powdered inks
B41M 1/24 Inking and printing with a printer's forme combined with embossing
B41M 1/26 Printing on other surfaces than ordinary paper
B41M 1/28 Printing on other surfaces than ordinary paper on metals
B41M 1/30 Printing on other surfaces than ordinary paper on organic plastics, horn, or like materials
B41M 1/32 Printing on other surfaces than ordinary paper on rubber
B41M 1/34 Printing on other surfaces than ordinary paper on glass or ceramic surfaces
B41M 1/36 Printing on other surfaces than ordinary paper on pretreated paper, e.g. on parchment, oiled paper, paper for registration purposes
B41M 1/38 Printing on other surfaces than ordinary paper on wooden surfaces, leather, or linoleum
B41M 1/40 Printing on bodies of particular shapes
B41M 1/42 Printing without contact between forme and surface to be printed, e.g. by using electrostatic fields
B41M 3/00 Printing processes to produce particular kinds of printed work, e.g. patterns
B41M 3/02 Maps; Sea or meteorological charts
B41M 3/04 Music
B41M 3/06 Veined printings; Fluorescent printings; Stereoscopic images; Imitated patterns, e.g. tissues, textiles
B41M 3/10 Watermarks
B41M 3/12 Transfer pictures or the like, e.g. decalcomanias
B41M 3/14 Security printing
B41M 3/16 Braille printing
B41M 3/18 Particular kinds of wallpapers
B41M 5/00 Duplicating or marking methods; Sheet materials for use therein
B41M 5/03 Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet by pressure
B41M 5/04 Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet using solvent-soluble dyestuffs on the master sheet, e.g. alcohol-soluble
B41M 5/06 Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet using master sheets coated with jelly-like materials, e.g. gelatin
B41M 5/08 Sheet materials therefor
B41M 5/10 Duplicating or marking methods; Sheet materials for use therein by using carbon paper or the like
B41M 5/15 Spiro-pyrans
B41M 5/20 Duplicating or marking methods; Sheet materials for use therein using electric current
B41M 5/24 Ablative recording, e.g. by burning marks; Spark recording
B41M 5/025 Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
B41M 5/26 Thermography
B41M 5/28 Thermography using thermo-chromic compounds or layers containing liquid crystals, microcapsules, bleachable dyes or heat decomposable compounds, e.g. gas liberating
B41M 5/30 Thermography using chemical colour formers
B41M 5/32 Thermography using chemical colour formers one component thereof being a heavy metal compound
B41M 5/34 Multicolour thermography
B41M 5/035 Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet by sublimation or volatilisation of design
B41M 5/36 Thermography using a polymeric layer, which may be particulate and which is deformed or structurally changed with modification of its properties, e.g. of its optical, hydrophobic-hydrophilic, solubility or permeability properties
B41M 5/39 Dyes containing one or more carbon-to-nitrogen double bonds, e.g. azomethine
B41M 5/40 Thermography combined with layers or compositions suitable for other methods of image registration; Special originals for reproduction by thermography
B41M 5/41 Base layers
B41M 5/42 Intermediate or covering layers
B41M 5/44 Intermediate or covering layers characterised by the macromolecular compounds
B41M 5/46 Thermography combined with layers or compositions suitable for other methods of image registration; Special originals for reproduction by thermography characterised by the heat or radiation filtering or absorbing means or layers
B41M 5/48 Thermography combined with layers or compositions suitable for other methods of image registration; Special originals for reproduction by thermography combined with other image registration layers or compositions; Special originals for reproduction by thermography
B41M 5/50 Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
B41M 5/52 Macromolecular coatings
B41M 5/124 Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
B41M 5/128 Desensitisers; Compositions for fault correction, detection or identification of the layers
B41M 5/132 Chemical colour-forming components; Additives or binders therefor
B41M 5/136 Organic colour formers, e.g. leuco dyes
B41M 5/145 Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
B41M 5/155 Colour-developing components, e.g. acidic compounds; Additives or binders therefor; Layers containing such colour-developing components, additives or binders
B41M 5/165 Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components characterised by the use of microcapsules; Special solvents for incorporating the ingredients
B41M 5/323 Organic colour formers, e.g. leuco dyes
B41M 5/327 Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
B41M 5/333 Colour developing components therefor, e.g. acidic compounds
B41M 5/337 Additives; Binders
B41M 5/382 Contact transfer or sublimation processes
B41M 5/385 Contact transfer or sublimation processes characterised by the transferable dyes or pigments
B41M 5/388 Azo dyes
B41M 5/392 Additives other than colour forming substances, dyes or pigments, e.g. sensitisers, transfer promoting agents
B41M 5/395 Macromolecular additives, e.g. binders
B41M 5/398 Processes based on the production of stickiness patterns using powders
B41M 7/00 After-treatment of printed works, e.g. heating, irradiating
B41M 7/02 Dusting; Varnishing
B41M 9/00 Processes wherein make-ready devices are used
B41M 9/02 Relief make-readies
B41M 9/04 Relief make-readies photomechanical
B41M 99/00 Subject matter not provided for in other groups of this subclass