Method for processing silver dye bleach materials

Details Method for processing silver dye bleach materials Method for processing silver dye bleach materials

G - Physics

03

C

96/273, 96/71

G03C 5/44 (2006.01) G03C 7/00 (2006.01) G03C 7/28 (2006.01)

Patent

CA 1058939

Abstract of the Disclosure The present invention relates to a new method for processing silver dye bleach material. The process measures of this method, consisting of (1) silver developing, (2) dye bleaching, (3) silver bleaching, (4) silver fixing are carried out in the sequence (1) to (4) with appropriate preparations. The silver bleaching (3) preparation contains (a) a strong acid, (b) a water-soluble iodide, (c) a water-soluble oxidising agent, (d) a diazine compound and (e) an anti-oxidant. An excellent and rapid bleaching is achieved.

231096

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