Radiation imagery chemistry: process – composition – or product th – Thermographic process – Heat applied after imaging
Patent
1997-09-10
1999-06-01
Chea, Thorl
Radiation imagery chemistry: process, composition, or product th
Thermographic process
Heat applied after imaging
430203, 430600, 430603, 430611, 430607, 430609, 430617, G03C 516, G03C 134
Patent
active
059087366
ABSTRACT:
The present invention discloses a heat developable silver halide color photographic light-sensitive material comprising a support having thereon photographic constituent layers which comprise at least one photographic light-sensitive layer comprising a light-sensitive silver halide emulsion, a developing agent, a compound capable of forming a dye by a coupling reaction with the oxidation product of the developing agent, and a binder, wherein at least one photographic constituent layer contains at least one of the compounds expressed by the formula (I), (II), (III), or (IV) below, and wherein at least 50% of the total projected area of silver halide grains contained in the light-sensitive silver halide emulsion is taken up by tabular silver halide grains at least 50% of which are composed of silver chloride.
As a result, a heat developable silver halide color photographic light-sensitive material which minimizes adverse effects on the environment and which is suitable for simple and rapid process and which has high sensitivity and the finished print obtained by which has low fogging is presented. ##STR1##
REFERENCES:
patent: 4021240 (1977-05-01), Cerquone et al.
patent: 4713319 (1987-12-01), Aono et al.
patent: 5275930 (1994-01-01), Maskasky
patent: 5316886 (1994-05-01), Koide et al.
Chea Thorl
Fuji Photo Film Co. , Ltd.
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