Color photographic film and process

Claim 1

AN INTEGRAL MULTIPACK FOR COLOUR PHOTOGRAPHY WHICH COMPRISES AN ASSEMBLY OF THREE LIGHTSENSITIVE IMAGE-RECORDING SILVER HALIDE EMULSION LAYER SELECTIVELY SENSITISED TO BLUE, GREEN AND RED LIGHT AND EACH CONTAINING A SUBSTANTIVE COLOURFORMER WHICH COUPLES WITH THE OXIDATION PRODUCT OF AN AROMATIC PRIMARY AMINO DEVELOPING AGENT TO YIELD A DYE, THE SAID COLOUR-FORMERS YIELDING DYES WHICH ARE SUBTRACTIVE PRIMARY COLOURS, THE SAID LAYERS BEING COATED ON A TRANSPARENT SUPPORT WITH THE RED AND GREEN-SENSITIVE LAYERS ADJACENT AND THE BLUE-SENSITIVE LAYER ON ONE SIDE OF THEM, A PHOTOGRAPHIC SILVER HALIDE MASKING LAYER LOCATED IN THE POSITION MOST REMOTE FROM THE BLUESENSITIVE IMAGE-RECORDING LAYER, SAID MASKING LAYER BEING SENSITIVE TO LIGHT OF THE SAME WAVEBAND AS ONE OF THE IMAGE-RECORDING LAYERS WHICH CONTAINS A COLOUR-FORMER GIVING RISE, BY COLOUR DEVELOPMENT, TO A DYESTUFF WHICH ABSORBS UNDESIRABLY IN A WAVEBAND WHICH IT SHOULD DESIRABLY TRANSMIT, AND A BLUE-ABSORBING FILTER LAYER, THE COLOUR OF WHICH IS RESISTANT TO DEVELOPMENT, LOCATED BETWEEN THE SAID MASKING LAYER AND THE SAID IMAGE-RECORDING LAYERS.