Photothermographic material and image forming method

Details Photothermographic material and image forming method Photothermographic material and image forming method

2006-01-27

2008-09-30

Chea, Thorl (Department: 1795)

Radiation imagery chemistry: process, composition, or product th

Thermographic process

Heat applied after imaging

C430S139000, C430S264000, C430S531000, C430S607000, C430S619000

Reexamination Certificate

active

07429447

ABSTRACT:
A photothermographic material having, on at least one side of a support, an image forming layer including at least a photosensitive silver halide, a non-photosensitive silver salt of a fatty acid, a reducing agent, and a binder, wherein 1) the photosensitive silver halide has an average silver iodide content of 40 mol % or higher, and 2) the photothermographic material includes a compound represented by the following formula (I) or a salt thereof:in-line-formulae description="In-line Formulae" end="lead"?R1—C≡C—R1′  Formula (I)in-line-formulae description="In-line Formulae" end="tail"?wherein R1and R1′ each independently represent a hydrogen atom, or a substituted or unsubstituted alkyl group, aryl group, or heterocyclic group, and R1and R1′ are not simultaneously a hydrogen atom. The invention provides a photothermographic material which exhibits high sensitivity and excellent image storability, and an image forming method.

REFERENCES:
patent: 4629684 (1986-12-01), Sato et al.
patent: 5089378 (1992-02-01), Ozaki et al.
patent: 6146823 (2000-11-01), Katoh
patent: A 11-295847 (1999-10-01), None

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