Heat-developable photosensitive material

Details Heat-developable photosensitive material Heat-developable photosensitive material

1987-03-27

1989-06-13

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430203, 430351, 430567, 430619, 430620, G03C 150

Patent

active

048392723

ABSTRACT:
A heat-developable photosensitive material comprising (1) a silver halide emulsion, (2) a reducing agent, and (3) a binder on a support can be quickly heat developed to produce images having a high density and less fog by using the silver halide emulsion comprising an emulsion of silver halide grains having a distinct double-layered structure, that is, core/shell structure in the grain interior and an average grain size of at least 0.3 .mu.m in combination with (4) a specific compound of formula (I) or (II).

REFERENCES:
patent: 3737316 (1973-06-01), Salminen et al.
patent: 4021240 (1977-05-01), Cerquone et al.
patent: 4525451 (1985-06-01), Ohki et al.

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