Developers

Introduced: January 1990

Full Title

Full titles differ between systems:

IPC:

Diffusion transfer processes or agents therefor; Photosensitive materials for such processes > Development processes or agents therefor > Developers

CPC:

Diffusion transfer processes or agents therefor; Photosensitive materials for such processes > Development processes or agents therefor (G03C8/18 takes precedence) > Developers

Of 2 combined children, 1 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 1990.

Child Classifications

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G03C 8/365 CPC only CPC only
G03C 8/38 containing viscosity increasing substances since 1990 IPC+CPC Available in IPC and CPC