Bleach-fix compositions and process for producing colored photographic images

Claim 1

IN A PROCESS FOR THE PRODUCTION OF A PHOTOGRAPHIC IMAGE WHICH COMPRISES (A) IMAGEWISE EXPOSURE OF A PHOTOGRAPHIC MULTILAYER COLOR MATERIAL COMPRISING AT LEAST ONE LIGHT-SENSITIVE SILVER HALIDE EMULSION LAYER WHICH CONTAINS A COLOR COUPLER CAPABLE OF REACTING WITH AN OXIDATION PRODUCT OF A COLOR-FORMING DEVELOPER TO FROM A DYE, (B) DEVELOPING THE SAID MATERIAL TO FORM A SILVER AND A COLOR IMAGE, AND (C) SIMULTANEOUSLY BLEACHING AND FIXING THE SAID DEVELOPED MATERIAL TO REMOVE THE SILVER IMAGE FROM THE LIGHT-STRUCT AREAS AND THE SILVER HALIDE FROM THE AREAS NOT STRUCK BY LIGHT BY A BLEACH-FIXING BATH CONTRAINING (1) A BLEACHING AGENT SELECTED FROM THE GROUP CONSISTING OF FERRIC AND COBALTIC COMPLEX SALTS OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF HYDROXYPOLYCARBOXYLIC AND AMINOPOLYCARBOXYLIC ACIDS, (2) A FIXING AGENT CONSISTING OF A WATER-SOLUBLE SALT OF THIOSULFURIC ACID, SAID FIXING BATH HAVING A PH VALUE OF BETWEEN 7 TO 9, THE IMPROVEMENT ACCORDING TO WHICH THE SIMULTANEOUSLY BLEACHING THE FIXING IS ACCOMPLISHED IN EFFECTIVE CONTACT WITH A REDUCING AGENT SELECTED FROM THE CLASS CONSISTING OF A HYDRAZINE SALT, A WATER-SOLUBLE HYDROXYLAMINE SALT AND FORMAMIDINE-SULPHINIC ACID.