Organic substances

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Photosensitive materials > Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein > with non-macromolecular additives > Sensitivity-increasing substances > Organic substances

CPC:

Photosensitive materials (photosensitive materials for multicolour processes G03C7/00; for diffusion transfer processes G03C8/00; photosensitive glass C03C4/04) > Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein (catalytic amounts of silver halide in dry silver systems G03C1/494) > with non-macromolecular additives (G03C1/047 takes precedence; ) > Sensitivity-increasing substances > Organic substances

CPC subdivides this area 5x more granularly than IPC with 4 additional codes.

4 codes are CPC-only extensions.

Note: 3 CPC extensions are marked as secondary classification only.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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G03C 1/102 CPC only CPC only
G03C 1/12 Methine and polymethine dyes +3 CPC IPC+CPC Available in IPC and CPC
G03C 2001/104 2nd only CPC only CPC only
G03C 2001/106 2nd only CPC only CPC only
G03C 2001/108 2nd only CPC only CPC only