Use of zinc salts to increase dye stability in silver halide...

Details Use of zinc salts to increase dye stability in silver halide... Use of zinc salts to increase dye stability in silver halide...

G - Physics

03

C

96/281, 96/32, 9

G03C 1/06 (2006.01) G03C 8/00 (2006.01) G03C 8/08 (2006.01)

Patent

CA 1150090

- 0 - USE OF ZINC SALTS TO INCREASE DYE STABILITY ABSTRACT OF THE DISCLOSURE Photographic elements, diffusion transfer assem- blages and processes are described which employ redox dye- releasing materials and a zinc salt, such as zinc oxide, in such a form, location and concentration that it will be diffusible in the element during processing, and the dye which is released from the redox dye-releasing material during processing will have an increased stability to light exposure. The zinc salts may be incorporated in the photosensitive portion of a photosensitive element, a processing composition or a cover sheet.

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