Method of forming a photographic image dye

Details Method of forming a photographic image dye Method of forming a photographic image dye

G - Physics

03

C

96/139, 96/274

G03C 1/12 (2006.01) G03C 5/30 (2006.01) G03C 7/30 (2006.01) G03C 7/32 (2006.01) G03C 7/392 (2006.01) G03C 7/413 (2006.01)

Patent

CA 1247916

ABSTRACT A method is disclosed of forming a photographic azo or asomethine dye image in an imagewise exposed photographic silver halide material which includes developing the imagewise exposed material to form an imagewise pattern of oxidised colour developing agent, reacting the oxidised colour developing agent with a colour coupler to produce an image dye wherein at least one of the colour developing agent and the colour coupler possesses chelating sites such that the image dye is capable of forming a bi-, tri-, or higher-dentate metallised dye, and contacting the image dye with polyvalent metal ions to form a metallised image dye.

410528

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