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PCE
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DIFF Main Group
G03C 7/00

Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes (diffusion transfer processes G03C8/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes

CPC: Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes (diffusion transfer processes G03C8/00)

Full Title

Full titles differ between systems:

IPC:

Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes

CPC:

Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes (diffusion transfer processes G03C8/00)

IPC and CPC are identically structured here. All 10 subcodes exist in both systems.

3 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • G03C 7/02 Direct bleach-out processes; Materials therefor; Preparing or processing such materials IPC+CPC Available in IPC and CPC
  • G03C 7/14 Additive processes using lenticular screens; Materials therefor; Preparing or processing such materials IPC+CPC Available in IPC and CPC
  • G03C 7/18 Processes for the correction of the colour image in subtractive colour photography (using coloured couplers G03C7/333) IPC+CPC Available in IPC and CPC
  • G03C 7/20 Subtractive colour processes using differently sensitised films, each coated on its own base, e.g. bipacks, tripacks IPC+CPC Available in IPC and CPC
  • G03C 7/26 Silver halide emulsions for subtractive colour processes (G03C7/28 - G03C7/30 take precedence) IPC+CPC Available in IPC and CPC
  • G03C 7/46 Subtractive processes not covered by the group G03C7/26; Materials therefor; Preparing or processing such materials since 1990 IPC+CPC Available in IPC and CPC