Photothermographic material and process

Details Photothermographic material and process Photothermographic material and process

G - Physics

03

C

96/167, 96/185,

G03C 1/52 (2006.01) G03C 1/498 (2006.01) G03C 1/60 (2006.01)

Patent

CA 1146002

Abstract of the Disclosure In a photographic element comprising (A) at least one photosensitive layer comprising a photo- sensitive component, such as photosensitive silver halide or a diazotype photosensitive material, (B) at least one layer comprising a processing agent for the photosensitive component and (C) a separation polymer between (A) and (B), increased preexposure storage stability is provided by a polysulfonamide as separation polymer (C). After image- wise exposure of the photothermographic element, an image can be developed by merely heating the element to moderately elevated temperatures.

319280

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