DIFF Subgroup
G03C 1/58 Coupling substances therefor
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Photosensitive materials > Compositions containing diazo compounds as photosensitive substances > Coupling substances therefor
CPC:
Photosensitive materials (photosensitive materials for multicolour processes G03C7/00; for diffusion transfer processes G03C8/00; photosensitive glass C03C4/04) > Compositions containing diazo compounds as photosensitive substances (G03C1/64 takes precedence) > Coupling substances therefor
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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