Photothermographic element, composition and process

G - Physics – 03 – C

Patent

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96/107, 96/219,

G03C 1/485 (2006.01) G03C 1/498 (2006.01)

Patent

CA 1045878

ABSTRACT A stabilizer precursor combination of (a) a blocked thione stabilizer precursor with (b) a halogen containing stabilizer precursor in a photothemographic element or composition provides improved post-processing stability upon heat processing of the element or composition. This stabilizer precursor combination is useful in photothermographic materials. for example, comprising photosensitive silver salt and an oxidation-reduction image-forming combination comprising a heavy metal salt oxidizing agent with a reducing agent.

217923

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