Photographic positive-producing light sensitive element and process

Claim 1

A PHOTOGRAPHIC PRODUCT COMPRISING A TRANSPARENT SUPPORT; A SILVER HALIDE PHOTOSENSITIVE LAYER CARRIED ON SAID SUPPORT; A SECOND SUPPORT; A SILVER HALIDE PHOTOSENSITIVE LAYER CARRIED ON SAID SECOND SUPPORT; SAID PHOTOSENSITIVE LAYERS BEING ADAPTED FOR SUCCESSIVE EXPOSURE WITH THE FIRST PHOTOSENSITIVE LAYER BEING EXPOSED SUBSTANTIALLY WITHOUT EFFECT UPON SAID SECOND PHOTOSENSITIVE LAYER; AND RUPTURABLE CONTAINER MEANS HOLDING PROCESSING MATERIALS INCLUDING AT LEAST A LIQUID SOLVENT FOR A PHOTOGRAPHIC DEVELOPER, AN ORGANIC FILM-FORMING MATERIAL SOLUBLE IN SAID LIQUID, AND A SILVER HALIDE DEVELOPER; SAID SUPPORTS, SAID PHOTOSENSITIVE LAYERS AND SAID CONTAINER MEANS BEING HELD TOGETHER TO PERMIT AT LEAST A PORTION OF SAID SUPPORTS AND PHOTOSENSITIVE LAYERS TO BE SUPERPOSED WITH SAID PHOTOSENSITIVE LAYERS FACING EACH OTHER AND WITH SAID CONTAINER MEANS LOCATED BETWEEN SAID SUPPORTS AND SO POSITIONED AS TO BE CAPBALE OF BEING RUPTURED AND WITHOUT REMOVAL OF ITS RUPTURED PORTION OF RELEASING ITS LIQUID CONTENT BETWEEN TWO LAYERS OF SAID PRODUCT TO AT LEAST PARTIALLY PERMEATE THE SUPERPOSED PHOTOSENSITIVE LAYERS; SAID PRODUCT ALSO HAVING POSITIONED THEREIN AS ANOTHER PROCESSING MATERIAL A SILVER HALIDE SOLVENT SOLUBLE IN SAID LIQUID AND RENDERED EFFECTIVE TO FORM A SILVER COMPLEX WITH UNEXPOSED SILVER HALIDE IN AT LEAST ONE OF SAID PHOTOSENSITIVE LAYERS UPON RELEASE OF SAID LIQUID AND RENDERED EFFECTIVE TAINER MEANS; SAID PROCESSING MATERIALS BEING CAPABLE OF DEVELOPING EXPOSED SILVER HALIDE IN EACH PHOTOSENSITIVE LAYER AND OF FORMING BETWEEN SAID PHOTOSENSITIVE LAYERS A TRANSPARENT FILM PERMEABLE TO SAID LIQUID AND AS A RESULT OF DEVELOPMENT OF A LATENT IMAGE IN AT LEAST SAID SECOND PHOTOSENSITIVE LAYER CAUSING A DIFFERENTIAL DISPERSION THROUGHOUT SAID SECOND PHOTOSENSITIVE LAYER OF A SILVER HALIDE COMPLEX WHICH IS TRANSPORTABLE BY IMBIBIBTION TO SAID TRANSPARENT FILM FOR REDUCTION TO METALLIC SILVER.