发明名称 |
Photographic developing process |
摘要 |
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 lose 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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申请公布号 |
US4141734(A) |
申请公布日期 |
1979.02.27 |
申请号 |
US19770856389 |
申请日期 |
1977.12.01 |
申请人 |
CIBA-GEIBY AG |
发明人 |
LENOIR, JOHN;MARTHALER, MAX |
分类号 |
C07D239/46;C07D307/54;C07D333/24;G03C5/305;G03C5/38;G03C5/50;(IPC1-7):G03C7/00;G03C5/30 |
主分类号 |
C07D239/46 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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