Heat-developable photographic light-sensitive materials

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing

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430203, 430562, 430559, 430351, 430353, G03C 106, G03C 140

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active

047881348

ABSTRACT:
The present invention provides a heat-developable photographic light-sensitive material comprising, on a support, at least containing a light-sensitive silver halide, a binder, a reducing agent, and an organic silver salt, wherein said organic silver salt is a silver salt of a pyrazolazole-type compound represented by formula (I) ##STR1## wherein R.sup.1 and R.sup.2 each represents a hydrogen atom or a substituent; Za, Zb, and Zc each represents a methine group, a substituted methine group, .dbd.N-- or --NH--; and one of the Za-Zb bond and Zb-Zc bond is a double bond and the other is a single bond.
The present heat-developable photographic light-sensitive materials are capable of forming images of high density, with low fog, in a short period of time.

REFERENCES:
patent: 4220709 (1980-09-01), de Mauriac
patent: 4451561 (1984-05-01), Hirabayashi et al.
patent: 4732846 (1988-03-01), Aono et al.

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