Heat-developable photographic materials

Details Heat-developable photographic materials Heat-developable photographic materials

1998-04-02

2000-02-15

Chea, Thorl

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430264, 430611, 430617, G03C 1498

Patent

active

060251220

ABSTRACT:
A heat developable photographic material comprising a reducible silver salt, a reducing agent, a contrast enhancer, and a binder further contains a thiosulfonic acid ester compound and/or a thiosulfonic acid compound. The material exhibits ultrahigh contrast and low fog and is minimized in the variation of photographic characteristics with heat development conditions.

REFERENCES:
patent: 4307187 (1981-12-01), Ikenoue et al.
patent: 5558983 (1996-09-01), Simpson et al.
patent: 5716775 (1998-02-01), Uehara et al.

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