Color diffusion transfer silver halide photographic materials an

Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...

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430218, 430226, 430380, 430467, 430483, 430484, 430566, G03C 840, G03C 820, G03C 7413

Patent

active

059767561

ABSTRACT:
A diffusion transfer silver halide photographic material containing a color developing agent represented by the following formula (I) in a hydrophilic colloid layer provided on a support: ##STR1## wherein C.sub..alpha. represents a carbon atom; Z represents a carbamoyl group, an acyl group, an alkoxycarbonyl group, or an aryloxycarbonyl group; and Q represents an atomic group for forming a unsaturated ring together with C.sub..alpha., whereby a color diffusion transfer silver halide photographic material containing a novel color developing agent from which a diffusible dye can be formed is provided.

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