Photographic developing process

Details Photographic developing process Photographic developing process

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G03C 7/00 (2006.01) C07D 239/46 (2006.01) C07D 307/54 (2006.01) C07D 333/24 (2006.01) G03C 5/30 (2006.01) G03C 5/38 (2006.01) G03C 5/50 (2006.01)

Patent

CA 1086544

PHOTOGRAPHIC DEVELOPING PROCESS Abstract of the Disclosure A process for developing photographic silver halide material, which has been exposed image-wise is provided. The aqueous developer preparation used contains a developer compound for the silver halide, a water-soluble solvent for the silver halide and an aliphatic, cycloaliphatic, aromatic or heterocyclic di- or trisulphide. These preparations remain clear over a long period of time during which they do not loose their effectiveness by becoming turbid or by sedimentation of silver. They are of special. advantage in continuously operated photographic developing processes.

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