Photographic products and processes

Claim 1

A PROCESS OF FORMING IMAGES IN COLOR WHICH COMPRISES THE STEPS OF EXPOSING A PHOTOSENSITIVE ELEMENT CONTAINING A SILVER HALIDE EMULSION AND AN AZO DYE WHICH CONTAINS A DIHYDROXYPHENYL SILVER HALIDE DEVELOPING RADICAL AND AT LEAST ONE GROUP SELECTED FROM THE GROUP CONSISTING OF A HYDROLYZABLE HYDROXYL GROUP AND A HYDROLYZABLE ACYLATED AMINO GROUP IN AT LEAST ONE OF ORTHO AND PARA POSITIONS TO AN AZO GROUP; PERMEATING SAID PHOTOSENSITIVE ELEMENT WITH AN AQUEOUS ALKALINE SOLUTION; PROVIDING THEREBY SOLUBILIZATION OF SAID DYE, DEACYLATION OF SAID ACYLATED GROUP, BY HYDROLYSIS, AND THEREBY A NONREVERSIBLE BATHOCHROMIC SHIFT OF THE SPECTRAL ABSORPTION CHARACTERISTICS OF SAID DYE, AND DEVELOPMENT OF SAID EXPOSED SILVER HALIDE EMULSION; IMMOBILIZING SAID DYE IN DEVELOPED AREAS OF SAID ELEMENT, AS A RESULT OF DEVELOPMENT; FORMING THEREBY AN IMAGEWISE DISTRIBUTION OF MOBILE DYE, AS A FUNCTION OF THE POINT-TO-POINT DEGREE OF EXPOSURE OF SAID EMULSION; AND TRANSFERRING, BY IMBIBITION, AT LEAST A PORTION OF SAID MOBILE DYE TO A SUPERPOSED IMAGE-RECEIVING LAYER TO PROVIDE THERETO A DYE IMAGE.