Photothermographic materials and process

Details Photothermographic materials and process Photothermographic materials and process

1976-08-18

1978-04-04

Kimlin, Edward C.

Gas separation: apparatus

Solid sorbent apparatus

With control means responsive to sensed condition

96 48HD, 96 67, 427385B, 96 95, 96 63, G03C 102, G03C 524, G03C 176, G03C 100

Patent

active

040825558

ABSTRACT:
A covering power imaging heat developable and heat stabilizable photographic material comprising in reactive assocation (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 photothermographic material contains no separate post-processing image stabilizer, and also enables silver image development efficiency of at least 90% when the material is heated to a temperature within the range of about 120.degree. to 200.degree. 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.

REFERENCES:
patent: 3024362 (1962-03-01), Sus et al.
patent: 3152903 (1964-10-01), Shepard et al.
patent: 3152904 (1964-10-01), Sorenson et al.
patent: 3220846 (1965-11-01), Tinker et al.
patent: 3301678 (1967-01-01), Humphlett et al.
patent: 3531285 (1970-09-01), Haist et al.
patent: 3877940 (1975-04-01), Ericson
patent: 3893859 (1975-07-01), Burness et al.

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