Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1983-11-04
1984-09-25
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Transfer procedure between image and image layer, image...
Diffusion transfer process, element, or identified image...
430216, 430218, 430223, 430351, 430372, 430559, 430562, 430617, 430619, G03C 554, G03C 140, G03C 110
Patent
active
044736312
ABSTRACT:
A heat-developable color photographic material is disclosed. The material is comprised of a support having thereon at least a light-sensitive silver halide, a hydrophilic binder, a dye releasing compound reductive and capable of releasing a hydrophilic dye and a compound represented by the following general formula (A): ##STR1## wherein A.sub.1, A.sub.2, A.sub.3, and A.sub.4, which may be the same or different, each represents a hydrogen atom or a substituent selected from an alkyl group, a substituted alkyl group, a cycloalkyl group, an aralkyl group, an aryl group, a substituted aryl group and a heterocyclic group, or A.sub.1 and A.sub.2 or A.sub.3 and A.sub.4 may combine with each other to form a ring.
The heat-developable color photographic material can easily provide in a short time a clear and stable color image having a high color density and low fog by imagewise exposure and heat development procedure. A method of forming a color image using the heat-developable color photographic material is also disclosed.
REFERENCES:
patent: 4411984 (1983-10-01), Gabrielsen
patent: 4430415 (1984-02-01), Aono et al.
patent: 4439513 (1984-03-01), Sato et al.
Hara Hiroshi
Hirai Hiroyuki
Naito Hideki
Sato Kozo
Fuji Photo Film Co. , Ltd.
Schilling Richard L.
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