G03C7/305 - CPC Classification

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 Substances liberating photographically active agents, e.g. development-inhibiting releasing couplers

• G03C2007/30505 » {Photographic useful group} 0
• G03C7/30511 » {characterised by the releasing group} 2
• G03C7/30541 » {characterised by the released group} 22
• G03C7/30576 » {characterised by the linking group between the releasing and the released groups, e.g. time-groups} 2
• G03C7/30594 » {Combination of substances liberating photographically active agents} 1

Recent Application in this class: