Process of obtaining three-color separation records from a bipack color film

Claim 1

IN THE PROCESS OF PREPARING TRICOLOR SEPARATIONS FROM AN EXPOSED BIPACK COLOR FILM COMPRISING A FRONT ELEMENT AND A REAR ELEMENT, AT LEAST ONE OF SAID ELEMENTS BEARING TWO SUPERIMPOSED SILVER HALIDE EMULSION LAYERS AND THE OTHER OF SAID ELEMENTS BEARING A SINGLE HALIDE EMULSION LAYER, ONE OF SAID EMULSION LAYERS BEING RED SENSITIVE, ANOTHER BEING BLUE SENSITIVE AND THE THIRD BEING GREEN SENSITIVE, AND WHEREIN THE OUTERMOST SENSITIVE LAYER OF THE SAID TWO-LAYER ELEMENT IS DEVOID OF COLOR FORMER AND THE INNERMOST SENSITIVE LAYER OF THE SAID TWO-LAYER ELEMENT AND THE SENSITIVE LAYER OF THE SINGLE LAYERED ELEMENT CONTAINS COLOR FORMERS FAST TO DIFFUSION CAPABLE OF REACTING WITH THE OXIDATION PRODUCT OF AN AROMATIC ANIMO DEVELOPING AGENT TO YIELD SUBSTANTIALLY NEUTRAL GRAY DYE IMAGES IN SAID LAYERS, THE IMPROVEMENT WHICH COMPRISES CONTACTING THE OUTERMOST LAYER OF THE EXPOSED TWO LAYERS ELEMENT WITH AN AUXILIARY FILM COMPRISING AN IMPERMEABLE SUPPORT BEARING A COLLOIDAL LAYER CONTAINING A MEMBER SELECTED FROM THE GROUP CONSISTING OF COLLOIDAL SILVER, COLLOIDAL SILVER SULFIDE, COLLOIDAL GOLD, COLLOIDAL GOLD SULFIDE, ALKALI SULFIDE, AND STANNOUS CHLORIDE WHILE FORCING THE COLLOIDAL LAYER OF SAID AUXILIARY FILM AGAINST THE SURFACE OF SAID OUTERMOST LAYER IN THE PRESENCE OF A DEVELOPER-FIXER SOLUTION FOR A LENGTH OF TIME SUFFICIENT TO DEVELOP THE NEGATIVE IMAGE AND DISSOLVE THE RESIDUAL SILVER HALIDE IN SAID OUTERMOST LAYER AND TRANSFER IT TO THE COLLOIDAL LAYER OF THE AUXILIARY FILM, STRIPPING OFF AND WASHING THE AUXILIARY FILM CONTAINING THE RECORD REPRESENTING THE COLOR RECORD OF THE OUTERMOST SENSITIVE LAYER OF THE TWO-LAYER ELEMENT, PROCESSING THE REAR AND FRONT ELEMENTS BY COLOR REVERSAL DEVELOPMENT, USING AS THE REVERSAL DEVELOPER SAID AROMATIC AMINO DEVELOPING AGENT BLEACHING AND FIXING THE SAME TO POSITIVES CONTAINING THE TWO COLOR RECORDS REPRESENTING THE COLOR RECORDS OF THE INNERMOST SENSITIVE LAYER OF THE TWO-LAYER ELEMENT AND THE SENSITIVE LAYER OF THE SINGLE LAYER ELEMENT RESPECTIVELY.