Photographic element and process for providing metal complex...

Details Photographic element and process for providing metal complex... Photographic element and process for providing metal complex...

G - Physics

03

C

96/105

G03C 7/26 (2006.01) G03C 7/305 (2006.01)

Patent

CA 1248395

-0- PHOTOGRAPHIC ELEMENT AND PROCESS FOR PROVIDING METAL COMPLEX COLOR IMAGES Abstract of the Disclosure A process of obtaining highly stable color images comprises use of an element which has a support having thereon at least one silver halide emulsion layer having associated therewith an essentially colorless, immobile, ligand-releasing compound of the structure LIG-X. In this structure, LIG is a ligand which is capable of complexing with metal ions (e.g. ferrous ions) to form a metal complex dye, and X is a group which, as a function of silver halide development, is cleaved from LIG. A color image is formed by developing the described element after imagewise exposure with a developing agent to imagewise cleave the bond between LIG and X, and treating the developed element with metal ions (e.g. ferrous ions) to form a metal complex dye image.

481119

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