Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Patent
1984-02-27
1985-02-12
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
430203, 430351, 430353, 430617, 430619, 430955, G03C 554, G03C 140, G03C 106
Patent
active
044991800
ABSTRACT:
A heat-developable color photographic material is disclosed. The material is comprised of a support base, a binder, a light-sensitive silver halide, a dye releasing redox compound which reduces the light-sensitive silver halide and releases a hydrophilic dye by reacting with the light-sensitive silver halide by heating; and a base precursor. The base precursor is represented by the general formula: ##STR1## wherein the substituents are defined within the specification. The material is capable of forming dye images with high density by heating the material after exposure in a substantially water free state. The images can be obtained in a short period of time and maintain their color density during storage. Further, the material produces a relatively low degree of fog based on the high degree of image density obtained.
REFERENCES:
patent: 3220846 (1965-11-01), Tinker et al.
patent: 4088496 (1978-05-01), Merkel
patent: 4463079 (1984-07-01), Naito et al.
Hirai Hiroyuki
Kawata Ken
Fuji Photo Film Co. , Ltd.
Schilling Richard L.
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