Black and white photothermographic material and image...

Details Black and white photothermographic material and image... Black and white photothermographic material and image...

2007-12-04

2007-12-04

Le, Hoa Van (Department: 1752)

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

C430S618000, C430S619000, C430S620000, C430S567000, C430S570000

Reexamination Certificate

active

11090495

ABSTRACT:
The invention provides a black and white photothermographic material comprising an image forming layer containing on at least one side of a support at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for silver ions, and a binder, wherein:the non-photosensitive organic silver salt comprises at least one compound selected from a silver salt of an azole compound or a silver salt of a mercapto compound;and the photothermographic material further comprises, a compound that can be one-electron-oxidized to provide a one-electron oxidation product which releases one or more electrons, and an adsorptive redox compound having a group adsorbable to the silver halide and a reducing group in the molecule. The invention provides a black and white photothermographic material having high image quality and an excellent storability, and an image forming method.

REFERENCES:
patent: 5637449 (1997-06-01), Harring et al.
patent: 6576410 (2003-06-01), Zou et al.
patent: 2003/0224307 (2003-12-01), Yamamoto et al.
patent: 2004/0131983 (2004-07-01), Ohzeki et al.
patent: 2004/0137389 (2004-07-01), Fukui et al.

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