Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1983-03-02
1984-06-19
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...
430226, 430548, G03C 140, G03C 554, G03C 732
Patent
active
044553633
ABSTRACT:
A heat-developable color photographic material comprising a support having thereon at least a light-sensitive silver halide, an organic silver salt oxidizing agent, a hydrophilic binder, a reducing agent for the silver halide and/or the organic silver salt oxidizing agent and a magenta color image forming polymer coupler latex which is capable of forming a diffusible dye upon coupling with an oxidized product of the reducing agent and which is a homopolymer or copolymer having a repeating unit derived from a monomer coupler represented by the following general formula (I): ##STR1## wherein R.sub.1 represents hydrogen, a lower alkyl group containing from 1 to 4 carbon atoms or a chlorine atom; R.sub.2 and R.sub.3, which may be the same or different, each represents an unsubstituted or substituted alkylene group which may be a straight chain or a branched chain, an unsubstituted or substituted arylene group or an unsubstituted or substituted aralkylene group; X represents --CONH-- or --COO--; Y represents --O--, --S--, --SO--, --SO.sub.2 --, --CONH-- or --COO--; Ar represents an unsubtituted or substituted phenyl group; R.sub.4 represents an unsubstituted or substituted anilino group, an unsubstituted or substituted acylamino group or an unsubstituted or substituted ureido group; l represents 0 or 1; m represents 0 or 1; and n represents 0 or 1.
The heat-developable color photographic material can easily provide a clear color image by imagewise exposure to light and heat development procedure.
REFERENCES:
patent: 3531286 (1970-09-01), Renfrew
patent: 3761270 (1973-09-01), de Mauriac et al.
patent: 4021240 (1977-05-01), Cerquone et al.
patent: 4264723 (1981-04-01), Ichijima et al.
patent: 4351897 (1982-09-01), Aoki et al.
patent: 4366237 (1982-12-01), Ichijima et al.
patent: 4407936 (1983-10-01), Ichijima et al.
"Positive Images . . . Materials", Kohrt, Research Disclosure, No. 16408, pp. 15 & 16, 12/1977.
Hara Hiroshi
Naito Hideki
Yagihara Morio
Fuji Photo Film Co. , Ltd.
Schilling Richard L.
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