ClassID:

176606

G03C7/384 - 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; Couplers containing compounds with active methylene groups in rings in pyrazolone rings

Recent Application in this class: