Photographic processes and products

Claim 1

A PHOTOGRAPHIC PROCESS COMPRISING THE STEPS OF SUBJECTING A SILVER HALIDE STRATUM AND A SILVER-RECEPTIVE STRATUM, WHICH ARE IN CONTIGUOUS RELATION, TO A THIN LAYER OF A PROCESSING FLUID, SAID FLUID CONTAINING A SILVER HALIDE DEVELOPER AND A SILVER HALIDE SOLVENT, REACTING SAID SILVER HALIDE DEVELOPER WITH EXPOSED SILVER HALIDE IN SAID SILVER HALIDE STRATUM IN ORDER TO PRODUCE A NEGATIVE PRINT BY RESOLVENT WITH UNREDUCED SILVER HALIDE IN SAID SILVER HALIDE STRATUM IN ORDER TO FORM A COMPLEX SILVER SALT, TRANSFERRING SAID COMPLEX SILVER SALT TO SAID SILVER-RECEPTIVE STRATUM, REDUCING SAID COMPLEX SILVER SALT TO SILVER IN SAID SILVER-RECEPTIVE STRATUM IN ORDER TO FORM A POSITIVE PRINT CONTAINING SILVER, SAID SILVER OF SAID POSITIVE PRINT BEING OF A FIRST PHYSICAL CHARACTER, SAID SILVER OF SAID NEGATIVE PRINT BEING OF A SECOND PHYSICAL CHARACTER, A SUBSTANTIAL QUANTITY OF SAID SILVER IN SAID POSITIVE PRINT HAVING A HIGHER OPTICAL DENSITY THAN AN EQUAL QUANTITY OF SAID SILVER IN SAID NEGATIVE PRINT, DRYING SAID LAYER OF PROCESSING FLUID TO FORM A LAMINATED UNIT CONTAINING A PLURALITY OF STRATA, SAID UNIT BEING SUBSTANTIALLY TRANSPARENT FROM ONE OF THE FACES OF SAID UNIT THROUGH ONE OF THE SILVER HALIDE AND SILVER-RECEPTIVE STRATA AT LEAST TO THE OTHER OF SAID SILVER HALIDE AND SILVER-RECEPTIVE STRATA, BOTH SAID POSITIVE PRINT AND SAID NEGATIVE PRINT THEREBY BEING VISIBLE THROUGH SAID ONE OF SAID FACES AS A COMPOSITE PRINT.