ClassID:

176629

G03C7/39272 - 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; Additives; Organic compounds; Heterocyclic the nucleus containing nitrogen and oxygen

Recent Application in this class: