Heat-developable photographic materials

Details Heat-developable photographic materials Heat-developable photographic materials

1985-09-06

1987-01-20

Louie, Won H.

Radiation imagery chemistry: process, composition, or product th

Thermographic process

Heat applied after imaging

430592, 430617, 430560, 430203, 430351, 430620, 430619, 430559, 430542, 430561, 430562, G03C 102

Patent

active

046379754

ABSTRACT:
A heat-developable photographic material having improved preservability, which comprises a support having thereon at least one heat-developable photgraphic layer, said photographic material containing a dye represented by formula (I) ##STR1## wherein R.sub.1 and R.sub.3 each represents an unsubstituted or substituted alkyl group or alkenyl group;

REFERENCES:
patent: 3877943 (1975-04-01), Masuda
patent: 3933507 (1976-01-01), Von Konig et al.
patent: 4210715 (1980-07-01), Fujiwhara et al.
patent: 4259424 (1981-03-01), Endo et al.
patent: 4473631 (1984-09-01), Hirai et al.
patent: 4524128 (1985-06-01), Edwards et al.
Research Disclosure 17029, Jun. 1978.
Research Disclosure 15248 of Dec. 1976.

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