DIFF Subgroup
G03C 7/29 Azo dyes therefor
Introduced: January 1990
Full Title
Full titles differ between systems:
IPC:
Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes > Silver dye bleach processes; Materials therefor; Preparing or processing such materials > Azo dyes therefor
CPC:
Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes (diffusion transfer processes G03C8/00) > Silver dye bleach processes; Materials therefor; Preparing or processing such materials > Azo dyes therefor
No child classifications to compare. This is a leaf node in both IPC and CPC.