ClassID:

176581

G03C7/3225 - CPC Classification

Classification description:

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 Combination of couplers of different kinds, e.g. yellow and magenta couplers in a same layer or in different layers of the photographic material

Recent Application in this class: