CPC Main Group Additional Only
B41C 2210/00 Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation
12 direct subcodes
Child Classifications
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- B41C 2210/02 Positive working, i.e. the exposed (imaged) areas are removed
- B41C 2210/04 Negative working, i.e. the non-exposed (non-imaged) areas are removed
- B41C 2210/06 Developable by an alkaline solution
- B41C 2210/08 Developable by water or the fountain solution
- B41C 2210/10 Developable by an acidic solution
- B41C 2210/12 Developable by an organic solution
- B41C 2210/14 Multiple imaging layers
- B41C 2210/16 Waterless working, i.e. ink repelling exposed (imaged) or non-exposed (non-imaged) areas, not requiring fountain solution or water, e.g. dry lithography or driography
- B41C 2210/20 characterised by inorganic additives, e.g. pigments, salts
- B41C 2210/22 characterised by organic non-macromolecular additives, e.g. dyes, UV-absorbers, plasticisers
- B41C 2210/24 characterised by a macromolecular compound or binder obtained by reactions involving carbon-to-carbon unsaturated bonds, e.g. acrylics, vinyl polymers
- B41C 2210/26 characterised by a macromolecular compound or binder obtained by reactions not involving carbon-to-carbon unsaturated bonds
Top Applicants
Top 10 applicants by patent filingsfor class B41, 2013–2023, worldwide · Source: EPO PATSTAT
- SEIKO EPSON CORPORATION 8,446
- SEIKO EPSON CORPORATION JP 8,438
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,828
- CANON JP 5,419
- CANON 4,156
- BROTHER INDUSTRIES JP 3,763
- BROTHER INDUSTRIES 2,779
- RICOH COMPANY JP 2,717
- FUJIFILM JP 2,423
- RICOH COMPANY 1,739