Process for improving color developability of reversal photograph films

Claim 1

IN A PHOTOGRAPHIC REVERSAL COLOR PROCESS WHEREIN A PHOTOGRAPHIC ELEMENT CONTAINING AT LEAST ONE PHOTOGRAPHIC SILVER HALIDE EMULSION LAYER IS GIVEN A FIRST EXPOSURE TO PRODUCE A LATENT IMAGE THEREIN, A DEVELOPMENT IN A PHOTOGRAPHIC DEVELOPER FOR PRODUCING A BLACK-AND WHITE NEGATIVE IMAGE, EXPOSURE TO LIGHT OF A COLOR TO WHICH THE SAID FIRST EXPOSED SILVER HALIDE EMULSION LAYER IS SENSITIVE, AND AN ADDITIONAL DEVELPMENT IN A PHOTOGRAPHIC COLOR DEVELOPER FOR PRODUCING A COLORED IMAGE, SAID COLOR DEVELOPER CONTAINING AN AROMATIC PRIMARY AMINE COLOR DEVELOPING AGENT AND A PHOTOGRAPHIC COLOR COUPLER SELECTED FROM THE GROUP CONSISTING OF A MAGENTAFORMING PYROZOLONE COLOR COUPLER, A CYAN-FORMING PHENOLIC COLOR COUPLER AND A YELLOW-FORMING OPENCHAIN KETOMETHYLENE COLOR COUPLER, THE IMPROVEMENT WHICH COMPRISES UTILIZING A VEHICLE FOR SAID SILVER HALIDE COMPRISED OF GELATIN AND A WATER-SOLUBLE LOWER ALKYL ACRYLATE-ACRYLIC ACID COPOLYMER HAVING 10 TO 50 MOL PERCENT OF THE ACRYLIC ACID MOIETY AND WHEREIN SAID VEHICLE CONTAINS ABOUT 1 TO 90 PERCENT OF SAID COPOLYMER BASED ON THE COMBINED WEIGHT OF SAID GELATIN AND SAID COPOLYMER.