Photothermographic material

Details Photothermographic material Photothermographic material

2007-07-03

2007-07-03

Chea, Thorl (Department: 1752)

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified backing or protective layer containing

C430S539000, C430S619000

Reexamination Certificate

active

11223988

ABSTRACT:
A photothermographic material having, on at least one side of a support, an image forming layer containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, and at least one non-photosensitive layer which is disposed on the same side as the image forming layer and farther from the support than the image forming layer, wherein (1) 50% by weight or more of the binder is a polymer latex having a monomer component having an acid group, and (2) the polymer latex has a core/shell structure having a core part and a shell part, and the monomer component having an acid group in the core part is 2 mol % to 20 mol % of a total amount of the monomer component having an acid group in the polymer latex. The invention provides a photothermographic material which exhibits excellent image uniformity with low fog.

REFERENCES:
patent: 6093529 (2000-07-01), Tsuzuki et al.
patent: 1 388 753 (2004-02-01), None
patent: 11-133539 (1999-05-01), None

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