Covering power imaging photothermographic composition...

G - Physics – 03 – C

Patent

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96/219, 96/94

G03C 1/76 (2006.01) G03C 1/498 (2006.01)

Patent

CA 1098358

Abstract of the Disclosure A covering power imaging heat developable and heat stabilizable photographic material comprising in reactive association (a) photographic silver salt, (b) a photographic silver salt developing agent, (c) an activating concentration of a certain development activator precursor and (d) a polymeric binder, enables an image to develop and be stabilized even though the photothermaographic material contains no separate post-processing image stabilizer, and also enables silver image development efficiency of at lest 90% when the material is heated to a temperature within the range of about 120°C to 200°C. An image can be developed in this heat developable and heat stabilizable photographic material by merely heating the material after imagewise exposure to moderately elevated temperatures. Other addenda employed in heat developable materials can be employed in the described heat developable photographic materials.

264413

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