Photothermographic material and processing comprising a substitu

Details Photothermographic material and processing comprising a substitu Photothermographic material and processing comprising a substitu

1982-09-29

1984-07-10

Louie, Jr., Won H.

Radiation imagery chemistry: process, composition, or product th

Thermographic process

Heat applied after imaging

430607, 430614, 430619, 430620, 430 9, 430955, G03C 102

Patent

active

044593503

ABSTRACT:
A 6-substituted-2,4-bis(trichloromethyl)-s-triazine stabilizer precursor which has a maximum absorption wavelength greater than 320 nanometers and is thermally stable at temperatures up to 150.degree. C. provides improved post-processing stability in a photothermographic silver halide material designed for dry physical development. Such a photothermographic material comprises photographic silver halide and an image forming combination comprising (i) an organic silver salt oxidizing agent, with (ii) a reducing agent for the organic silver salt oxidizing agent. A developed visible image is provided after imagewise exposure by uniformly heating the photothermographic material to moderately elevated temperatures.

REFERENCES:
patent: 3457075 (1969-07-01), Morgan
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patent: 3877940 (1975-04-01), Ericson
patent: 3955982 (1976-05-01), VanAllan et al.
patent: 3987037 (1976-10-01), Bonham et al.
patent: 4108665 (1978-08-01), Gutman et al.
patent: 4189323 (1980-02-01), Buhr
patent: 4264725 (1981-04-01), Reeves
Research Disclosure, Jun. 1978, No. 17029.

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