ClassID:

176594

G03C7/344 - 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 phenols Naphtholic couplers

Recent Application in this class: