Full Title

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 > Substances liberating photographically active agents, e.g. development-inhibiting releasing couplers (G03C7/388 takes precedence )