Photothermographic materials

Details Photothermographic materials Photothermographic materials

1986-11-03

1988-07-12

Louie, Won H.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430614, 430615, 430619, 430620, 430353, G03C 134

Patent

active

047569999

ABSTRACT:
A photothermographic element comprising a substrate having coated thereon a photothermographic medium comprising a binder having dispersed therein an organic silver salt or complex, a photocatalyst and a reducing agent, characterized in that the photothermographic medium contains as an antifoggant, in the absence of mercury compounds, an effective antifogging amount of a compound of the general formula: ##STR1## characterized in that: X.sup.1 and X.sup.2 independently represent halogen atoms,

REFERENCES:
patent: 3707377 (1972-12-01), Tiers
patent: 3874946 (1975-04-01), Costa et al.
patent: 4323645 (1982-04-01), Hall
patent: 4452885 (1984-06-01), Nozawa et al.
patent: 4459350 (1984-07-01), Przezdziecki
patent: 4546075 (1985-10-01), Kitaguchi et al.

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