Color diffusion transfer silver halide photographic materials an

Details Color diffusion transfer silver halide photographic materials an Color diffusion transfer silver halide photographic materials an

Filed on

1996-11-29

Date issued

1999-11-02

Examiner

Schilling, Richard L.

Patent Class

Radiation imagery chemistry: process, composition, or product th

SubClass

Transfer procedure between image and image layer, image...

SubSubClass

Diffusion transfer process, element, or identified image...

Other Related Categories

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

Type

Patent

Status

active

Patent number

059767561

Description

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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patent: 5547810 (1996-08-01), Morimoto et al.
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