Process for manufacturing stable photothermographic elements

Details Process for manufacturing stable photothermographic elements Process for manufacturing stable photothermographic elements

1994-04-26

1995-04-11

Chea, Thorl

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430531, 430935, G03C 174, G03C 1498

Patent

active

054057400

ABSTRACT:
A process for the manufacture of a photothermographic element comprising the steps of:
a) providing a substrate,
b) coating a first layer on said substrate, said first layer comprising an organic polymeric binder, silver halide, reducible silver salt or silver complex, and an organic solvent,
c) before 70% of the solvent in said first layer is removed from said first layer, coating a second layer comprising a solvent and a second polymeric binder onto said first layer, said second polymeric binder comprising at least one cellulose ester, at least one of said first layer and said second layer containing a reducing agent for silver ion.

REFERENCES:
patent: 3933508 (1976-01-01), Ohkubo et al.
patent: 4055432 (1977-10-01), Masuda et al.
patent: 5028518 (1991-07-01), Lyons et al.
patent: 5028523 (1991-07-01), Skoug
patent: 5188931 (1993-02-01), Marinelli et al.
patent: 5196301 (1993-03-01), Simpson et al.

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