Diffusion transfer photographic process and product

Claim 1

IN A PHOTOGRAPHIC SILVER HALIDE TRANSFER PROCESS, THE STEPS WHICH COMPRISE FORMING A LAYER OF AN ALKALINE SOLUTION OF A SILVER HALIDE DEVELOPER AND A SILVER HALIDE TRANSFER AGENT BETWEEN ONE FACE OF A PRINT-RECEIVING ELEMENT AND ONE FACE OF A PHOTOSENSITIVE ELEMENT LOCATED IN SUPERPOSED RELATION TO THE PRINT-RECEIVING ELEMENT, SAID PHOTOSENSITIVE ELEMENT BEING PHOTOEXPOSED TO PROVIDE A LATENT IMAGE, SAID PHOTOSENSITIVE ELEMENT COMPRISING A PHOTOGRAPHIC FILM SUPPORT COMPOSED OF A PAPER MATERIAL, A STRATUM COMPRISING A MIXTURE OF CELLULOSE ACETATE HYDROGEN PHTHALATE AND CELLULOSE ACETATE, IN THE RATIO OF ONE TO THREE PARTS OF CELLULOSE ACETATE HYDROGEN PHTHALATE TO EACH PART OF A CELLULOSE ACETATE, CARRIED BY ONE SIDE OF SAID SUPPORT AND A PHOTOEXPOSED SILVER HALIDE STRATUM CARRIED BY THE SURFACE OF SAID FIRST-MENTIONED STRATUM FURTHEST FROM SAID SUPPORT; ABSORBING SAID SOLUTION INTO SAID SILVER HALIDE STRATUM AND THROUGH SAID SILVER HALIDE STRATUM AND INTO SAID FIRST-MENTIONED STRATUM AND, AS A RESULT OF SAID ABSORPTION, INCREASING THE RATE AND THE AMOUNT OF THE REDUCTION OF THE THICKNESS OF SAID LAYER OF SOLUTION; BY MEANS OF SAID SOLUTION PRESENT IN SAID SILVER HALIDE STRATUM, DEVELOPING LATENT IMAGE SILVER HALIDE TO SILVER AND FORMING SILVER COMPLEXES SOLUBLE AND TRANSFERABLE IN SAID SOLUTION FROM SAID PHOTOSENSITIVE ELEMENT TOWARD SAID PRINT-RECEIVING LEMENT; TRANSFERRING SAID SILVER COMPLEXES TOWARD SAID PRINT-RECEIVING ELEMENTS BY DIFFUSION FROM SAID PHOTOSENSITIVE ELEMENT; AND REDUCING SAID SILVER COMPLEXES TO SILVER ADJACENT THE SAID FACE OF SAID PRINTRECEIVING ELEMENT TO PROVIDE A REVERSE IMAGE IN SILVER OF THE LATENT IMAGE FORMED IN SAID PHOTOSENSITIVE ELEMENT.