Color masking procedure and materials therefor

Claim 1

IN THE PROCESS OF PREPARING COLOR CORRECTED COLOR COPIES FOR AN ORIGINAL COLOR COPY BY THE USE OF A COLOR CORRECTION MASK WHICH COMPRISES FORMING SUCH A MASK BY EXPOSING TO THE ORIGINAL COLOR COPY WITH WHITE LIGHT A PHOTOGRAPHIC MATERIAL CARRYING ON A SUITABLE SUPPORT A LIGHT-SENSITIVE SILVER HALIDE EMULSION WHICH IS PANCHROMATICALLY SENSITIZED AND CONTAINS A COLOR FORMER FAST TO DIFFUSION CAPABLE OF REACTING WITH THE REACTION PRODUCTS OF AN AROMATIC P-AMINO DEVELOPING AGENT TO FORM AN ORANGE DYE IMAGE, SAID SUPPORT CARRYING IN ADDITION TO THE PANCHROMATICALLY SILVER HALIDE EMULSION LAYER, ON THE OPPOSITE SIDE OF THE SUPPORT, A BLUE-SENSITIVE SILVER HALIDE EMULSION LAYER WHICH CONTAINS AT LEAST ONE COLOR COMPONENT FAST TO DIFFUSION CAPABLE OF REACTING WITH THE REACTION PRODUCTS OF AN AROMATIC P-AMINO DEVELOPING AGENT TO FORM A PURPLE TO RED COLOR IMAGE, SAID PHOTOGRAPHIC MATERIAL CARRYING BETWEEN THE SUPPORT AND AT LEAST ONE OF SAID EMULSION LAYERS A YELLOW FILTER AYER CONTAINING A YELLOW COLORING AGENT WHICH IS CAPABLE OF BEING DISCHARGED DURING PROCESSING, SAID EXPOSURE WITH WHITE LIGHT BEING CARRIED OUT IN SUCH A MANNER THAT THE BLUE-SENSITIVE LAYER FACES THE ORIGINAL COLOR COPY, AND CONVERTING THE LATENT IMAGE FORMED IN THE PANCHROMATIC SILVER HALIDE EMULSION LAYER INTO AN ORANGE COLOR MASK AND CONVERTING THE LATENT IMAGE FORMED IN THE BLUE-SENSITIVE SILVER HALIDE LAYER TO FORM A PURPLE TO RED MASK, BY DEVELOPING THE SO-EXPOSED MATERIAL WITH AN AROMATIC P-AMINO DEVELOPING AGENT SO AS TO FORM AN ORANGE DYE IMAGE IN THE PANCHROMATIC LAYER AND A PURPLE TO RED DYE IMAGE IN THE BLUE-SENSITIVE LAYER.