Process for making integral color correction masks

Claim 1

THE PROCESS OF MAKING INTEGRAL COLOR MASKING IMAGES IN A MULTICOLOR PICTURE MADE UP OF SUBTRACTIVE COLOR IMAGES WHICH COMPRISES DEVELOPING WITH A PRIMARY AROMATIC AMINO COLOR DEVELOPING AGENT, AN EXPOSED MULTILAYER PHOTOGRAPHIC FILM BEARING A COLLOIC SILVER HALIDE EMULSION LAYER INITIALLY SENSITIZED TO LIGHT FROM ONE PRIMARY COLOR REGION OF THE SPECTRUM AND INCLUDING AS A CYAN COLOR FORMER A M-(3-METHYLSALICYLAMIDO) BENZALDEHYDE POLYVINYL ACETAL, A COLLOID SILVER HALIDE EMULSION LAYER INITIALLY SENSITIZED TO LIGHT OF A SECOND PRIMARY COLOR REGION OF THE SPECTRUM INCLUDING AS A MAGENTA COLOR FORMER A M-(P-(3-METHYL-L-PYRAZOLY) BENZAMIDO)-BENZALDEHYDE POLYVINYL ACETAL AND A COLLOID SILVER HALIDE EMULSION LAYER INITIALLY SENSITIZED TO A THIRD PRIMARY COLOR REGION OF THE VISIBLE SPECTRUM INCLUDING AS A YELLOW COLOR FORMER A M-BENZOYLACETAMIDOBENZALDEHYDE POLYVINYL ACETAL, SAID FILM INITIALLY BEARING A STRATUM CONTAINING A YELLOW FILTER DYE AND BEING ARRANGED SO THAT BLUE LIGHT WILL NOT EXPOSE TWO OF SUCH EMULSION LAYERS, TREATING THE DEVELOPED ELEMENT IN AT LEAST ONE AQUEOUS SOLUTION CONTAINING A DIAZONIUM SALT AND REMOVING THE SILVER AND SILVER SALTS FROM THE RESULTING FILM.