Heat-developable color photographic light-sensitive material

Details Heat-developable color photographic light-sensitive material Heat-developable color photographic light-sensitive material

1990-08-01

1992-01-07

Shilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430203, 430216, 430219, 430223, 430551, 430607, 430617, G03C 554

Patent

active

050791370

ABSTRACT:
A heat-developable color photographic light-sensitive material capable of giving positive color images having high maximum density, low minimum density, and less strain, comprising at least a light-sensitive silver halide, a binder, a dye-providing non-diffusible compound capable of releasing a diffusible dye on being reduced, and a reducing agent, wherein the light-sensitive material further contains at least one compound represented by the following formula (I), (II), or (III); ##STR1## wherein R.sup.1 and R.sup.2 each represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, with a proviso that R.sup.1 and R.sup.2 each represents a group having no redox activity after its cleavage and R.sup.3 and R.sup.4 each represents a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group.

REFERENCES:
patent: 4555476 (1985-11-01), Sakaguchi et al.
patent: 4559290 (1985-12-01), Sawada et al.
patent: 4626499 (1986-12-01), Kato et al.
patent: 4783396 (1988-11-01), Nakamura et al.

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