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DIFF Subgroup
G03C 7/327

Macromolecular coupling substances

Introduced: January 1990

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 > Colour-coupling substances > Macromolecular coupling substances

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 > Colour coupling substances (G03C7/305, G03C7/388 take precedence; ) > Macromolecular coupling substances

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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