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 printingSilk-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 printingPrinting 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 MapsSea or meteorological charts
B41M 3/04 Music
B41M 3/06 Veined printingsFluorescent printingsStereoscopic imagesImitated 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 methodsSheet materials for use therein
B41M 5/03 Duplicating or marking methodsSheet materials for use therein by transferring ink from the master sheet by pressure
B41M 5/04 Duplicating or marking methodsSheet 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 methodsSheet 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 methodsSheet materials for use therein by using carbon paper or the like
B41M 5/15 Spiro-pyrans
B41M 5/20 Duplicating or marking methodsSheet materials for use therein using electric current
B41M 5/24 Ablative recording, e.g. by burning marksSpark recording
B41M 5/025 Duplicating or marking methodsSheet 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 methodsSheet 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 characterised by the base, intermediate or covering layersHeat, radiation filtering or absorbing means or layersThermography combined with layers or compositions suitable for other methods of image registrationSpecial 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 characterised by the base, intermediate or covering layersHeat, radiation filtering or absorbing means or layersThermography combined with layers or compositions suitable for other methods of image registrationSpecial originals for reproduction by thermography characterised by the light-to-heat converting meansThermography characterised by the base, intermediate or covering layersHeat, radiation filtering or absorbing means or layersThermography combined with layers or compositions suitable for other methods of image registrationSpecial originals for reproduction by thermography characterised by the heat or radiation filtering or absorbing means or layers
B41M 5/48 Thermography characterised by the base, intermediate or covering layersHeat, radiation filtering or absorbing means or layersThermography combined with layers or compositions suitable for other methods of image registrationSpecial originals for reproduction by thermography combined with other image registration layers or compositionsSpecial 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 methodsSheet 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 DesensitisersCompositions for fault correction, detection or identification of the layers
B41M 5/132 Chemical colour-forming componentsAdditives 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 compoundsAdditives or binders thereforLayers containing such colour-developing components, additives or binders
B41M 5/165 Duplicating or marking methodsSheet 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 microcapsulesSpecial 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 AdditivesBinders
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 DustingVarnishing
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