D21H 19/00 Coated paper (coated fibreboard D21J1/08); Coating material (recording sheets characterised by the coating used to improve ink, dye or pigment receptivity B41M5/50)
Introduced: January 1990
Title
Titles differ between systems:
IPC: Coated paper; Coating material
CPC: Coated paper (coated fibreboard D21J1/08); Coating material (recording sheets characterised by the coating used to improve ink, dye or pigment receptivity B41M5/50)
Full Title
Full titles differ between systems:
Coated paper; Coating material
Coated paper (coated fibreboard D21J1/08); Coating material (recording sheets characterised by the coating used to improve ink, dye or pigment receptivity B41M5/50)
IPC and CPC are identically structured here. All 6 subcodes exist in both systems.
5 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1990.
Child Classifications
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- D21H 19/10 Coatings without pigments (D21H19/66 takes precedence) since 1990 IPC+CPC Available in IPC and CPC
- D21H 19/36 Coatings with pigments (D21H19/66 takes precedence; metal powder D21H19/06) since 1990 IPC+CPC Available in IPC and CPC
- D21H 19/66 Coatings characterised by a special visual effect, e.g. patterned, textured (marbled paper D21H27/04) since 1990 IPC+CPC Available in IPC and CPC
- D21H 19/72 Coated paper characterised by the paper substrate since 1990 IPC+CPC Available in IPC and CPC
- D21H 19/80 Paper comprising more than one coating (D21H19/02 takes precedence) since 1990 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class D21,2013–2023, worldwide · Source: EPO PATSTAT
- VOITH PATENT DE 1,809
- STORA ENSO FI 1,467
- KEMIRA FI 1,086
- KIMBERLY-CLARK CORPORATION US 935
- VALMET TECHNOLOGIES FI 924
- VALMET SE 904
- P&G (PROCTER & GAMBLE COMPANY) US 862
- OJI HOLDINGS CORPORATION 696
- OMYA INTERNATIONAL CH 584
- SOUTH CHINA UNIVERSITY OF TECHNOLOGY 571
Top Applicants (CPC)
Class D21,2013–2023, worldwide · Source: EPO PATSTAT
- VOITH PATENT DE 1,857
- STORA ENSO FI 1,552
- KEMIRA FI 1,173
- KIMBERLY-CLARK CORPORATION US 1,107
- VALMET TECHNOLOGIES FI 965
- VALMET SE 943
- P&G (PROCTER & GAMBLE COMPANY) US 941
- OMYA INTERNATIONAL CH 821
- UPM-KYMMENE CORPORATION FI 512
- SEIKO EPSON CORPORATION JP 501