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PCE
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DIFF Subgroup
G03C 1/047

Proteins, e.g. gelatine derivatives; Hydrolysis or extraction products of proteins

Introduced: January 1990

Full Title

Full titles differ between systems:

IPC:

Photosensitive materials > Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein > with macromolecular additives; with layer-forming substances > Proteins, e.g. gelatine derivatives; Hydrolysis or extraction products of proteins

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 macromolecular additives; with layer-forming substances > Proteins, e.g. gelatine derivatives; Hydrolysis or extraction products of proteins

Of 5 combined children, 0 exist in both systems.

5 codes are CPC-only extensions.

Note: 5 CPC extensions are marked as secondary classification only.

Child Classifications

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