Photothermographic accelerators for leuco diazine, oxazine, and

Details Photothermographic accelerators for leuco diazine, oxazine, and Photothermographic accelerators for leuco diazine, oxazine, and

1986-02-12

1987-06-02

Louie, Won H.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Two or more radiation-sensitive layers containing other than...

430523, 430559, 430560, 430617, 430619, 430620, 430351, G03C 726, G03C 106

Patent

active

046703748

ABSTRACT:
A photothermographic construction comprises a light-sensitive color-forming element on a support base, the element comprising a silver source, optionally silver halide, a binder, and an oxidizable leuco phenazine, phenoxazine, or phenothiazine dye, and as development accelerator a carboxylic acid, Lewis acid, or Bronsted acid.

REFERENCES:
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patent: 3531286 (1970-09-01), Renfrew
patent: 3708304 (1973-01-01), Hiller
patent: 3985565 (1976-10-01), Gabrielsen
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patent: 4379835 (1983-04-01), Lowrey et al.
patent: 4452883 (1984-06-01), Frenchik et al.
Research Disclosure No. 17029, dated Jun. 1978, James W. Carpenter and Paul W. Lauf.

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