ClassID:

176622

G03C7/39244 - 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 only nitrogen as hetero atoms

Sub-classes:
Recent Application in this class: