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DIFF Subgroup
B41M 5/392

Additives, other than colour forming substances, dyes or pigments, e.g. sensitisers, transfer promoting agents

Introduced: January 2006

Title

Titles differ between systems:

IPC: Additives other than colour forming substances, dyes or pigments, e.g. sensitisers, transfer promoting agents

CPC: Additives, other than colour forming substances, dyes or pigments, e.g. sensitisers, transfer promoting agents

Full Title

Full titles differ between systems:

IPC:

Duplicating or marking methods; Sheet materials for use therein > Thermography > Contact transfer or sublimation processes > Additives other than colour forming substances, dyes or pigments, e.g. sensitisers, transfer promoting agents

CPC:

Duplicating or marking methods; Sheet materials for use therein (by using light-sensitive materials G03; electrography, magnetography G03G ) > Thermography (B41M5/20, B41M5/24 take precedence); > Contact thermal transfer or sublimation processes (sublistatic printing using a pre-formed image B41M5/035; ink-, dye- or pigment-receptive coatings B41M5/52) > Additives, other than colour forming substances, dyes or pigments, e.g. sensitisers, transfer promoting agents

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 2006.

Child Classifications

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  • B41M 5/395 Macromolecular additives, e.g. binders since 2006 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class B41,2013–2023, worldwide · Source: EPO PATSTAT

  1. SEIKO EPSON CORPORATION 14,672
  2. CANON 14,153
  3. RICOH COMPANY 8,049
  4. SEIKO EPSON CORPORATION JP 8,044
  5. HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,312
  6. BROTHER INDUSTRIES 6,887
  7. KYOCERA DOCUMENT SOLUTIONS 5,463
  8. CANON JP 5,001
  9. KONICA MINOLTA CORPORATION 4,512
  10. BROTHER INDUSTRIES JP 3,681

Top Applicants (CPC)

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