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PCE
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DIFF Subgroup
G03C 7/30

Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes > Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials

CPC:

Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes (diffusion transfer processes G03C8/00) > Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials

Of 14 combined children, 7 exist in both systems.

7 codes are CPC-only extensions.

3 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • G03C 2007/3001 2nd only CPC only CPC only
  • G03C 7/44 Regeneration; Replenishers since 1990 IPC+CPC Available in IPC and CPC