Process for the formation of stable color photographic images

Details Process for the formation of stable color photographic images Process for the formation of stable color photographic images

G - Physics

03

C

96/194

G03C 7/392 (2006.01) G03C 7/384 (2006.01)

Patent

CA 1318538

Process For The Formation Of Stable Color Photographic Images ABSTRACT OF DISCLOSURE In a reversal process for the formation of color pho- tographic images which consists of a black and white de- velopment (first development) to obtain a first negative image, followed by exposure and/or uniform fogging of the residual silver halide and a further processing (including a second color development), to obtain a second visible (in transparency) color positive image, of a silver halide color multilayer material which comprises, coated on a support base, one or more red-sensitive silver halide emulsion layers associated with dispersed non-diffusing hydrophobic cyan couplers, one or more green-sensitive silver halide emulsion layers associated with dispersed non-diffusing hydrophobic magenta couplers and one or more blue-sensitive silver halide emulsion layers associated with dispersed non-diffusing hydrophobic yellow couplers, the improvement which consists of the reversal development of said magenta-forming layer being performed in the ab sence of a significant presence of oil.

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