Photographic color films and processes

Claim 1

A COLOR REVERSAL PROCESS WHICH COMPRISES: (A) EXPOSING IMAGWISE TO A MULTICOLOR SCENE A MULTILAYER PHOTOGRAPHIC COLOR FILM COMPRISING (1) A TRANSPARENT FILM BASE BEARING (2) THREE WATER-PERMEABLE COLLOID-SILVER HALIDE EMULSION LAYERS AND (3) A YELLOW FILTER LAYER SAID LAYERS SO ARRANGED AND SENSITIZED WITH THE BLUE-SENSITIVE LAYER OUTERMOST THAT EACH SILVER HALIDE LAYER IS ADAPTED TO RECORD LIGHT FROM A DIFFERENT PRIMARY COLOR REGION, BLUE, GREEN AND RED, OF THE VISIBLE SPECTRUM AND CONTAINS A NON-DIFFUSING COLOR-FORMER WHICH UPON CHROMOGENIC DEVELOPMENT OF THE EXPOSED SILVER HALIDE WITH A PRIMARY AROMATIC AMINO COLOR DEVELOPING AGENT FORMS A DYE COMPLEMENTARY IN COLOR TO THE UTILIZED SENSITIVITY OF THE EMULSION LAYER; SAID MULTILAYER COLOR FILM BEING CHARACTERIZED IN THAT THE OUTER BLUE-SENSITIVE LAYER HAS A COATING WEIGHT NOT MORE THAN ABOUT 2/3 OF THE SILVER HALIDE COATING WEIGHT OF EITHER OF THE GREEN-SENSITIVE AND RED-SENSITIVE SILVER HALIDE LAYERS, (B) DEVELOPING THE ORIGINAL IMAGES FORMED IN THE MULTILAYER COLOR FILM DURING STEP (A) IN A BLACK-ANDWHITE SILVER HALIDE DEVELOPER SOLUTION, THEN (I) EXPOSING THE DEVELOPED ELEMENT TO BLUE LIGHT IMPINGING FIRST UPON THE OUTERMOST BLUE-SENSITIVE LAYER AND COLOR-DEVELOPING SAID LAYER SUBSTANTIALLY TO COMPLETION IN A HIGH-ENERGY SILVER HALIDE DEVELOPER SOLUTION CONTAINING A PRIMARY AROMATIC AMINO COLOR-DEVELOPING AGENT AND A RELATIVELY LOW QUANTITY OF AN ALKALI METAL SULFITE, AND THEN (II) EXPOSING THE GREEN-SENSITIVE AND RED-SENSITIVE LAYERS TO WHITE OR YELLOW LIGHT, AND DEVELOPING THE EXPOSED GREEN- AND RED-SENSITIVE LAYERS IN A LOW-ENERGY SILVER HALIDE DEVELOPER SOLUTION CONTAINING A PRIMARY AROMATIC AMINO COLOR-DEVELOPING AGENT AND A RELATIVELY HIGH QUANTITY OF AN ALKALI METAL SULFITE.