发明名称 DEVELOPER SOLUTION FOR EXPOSED SILVER HALIDE CONTAINING AN ORGANIC THIOL OR THIONE COMPOUND AND A BUNTE SALT
摘要 <p>8-11657/TEL 186/+ Process for the prevention of darkening and the formation of a sediment in photographic developer solutions A process is described for the prevention of darkening and the formation of a sediment in photographic developer solutions which contain a silver halide developer, a water-soluble silver halide solvent and organic sulfur compounds. The organic sulfur compounds are a combination of (a) an organic thiol compound or thione compound capable of tautomerism and (b) a Bunte salt which contains groups conferring solubility in water. Developer solutions which contain the indicated combination of sulfur compounds are outstandingly stable.</p>
申请公布号 CA1152800(A) 申请公布日期 1983.08.30
申请号 CA19790324106 申请日期 1979.03.26
申请人 CIBA-GEIGY AG 发明人 KRAMP, EKKEHARD;LENOIR, JOHN;MARTHALER, MAX
分类号 G03C5/30;G03C5/26;G03C5/29;G03C5/305;G03C7/30;(IPC1-7):G03C5/30 主分类号 G03C5/30
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