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CPC Subgroup Additional Only
B41C 2210/262

Phenolic condensation polymers, e.g. novolacs, resols

Full Title

Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation > characterised by a macromolecular compound or binder obtained by reactions not involving carbon-to-carbon unsaturated bonds > Phenolic condensation polymers, e.g. novolacs, resols

Top Applicants

Top 10 applicants by patent filingsfor class B41, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SEIKO EPSON CORPORATION 8,446
  2. SEIKO EPSON CORPORATION JP 8,438
  3. HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,828
  4. CANON JP 5,419
  5. CANON 4,156
  6. BROTHER INDUSTRIES JP 3,763
  7. BROTHER INDUSTRIES 2,779
  8. RICOH COMPANY JP 2,717
  9. FUJIFILM JP 2,423
  10. RICOH COMPANY 1,739