Heat developable photographic material and process

Gas separation: apparatus – Solid sorbent apparatus – With control means responsive to sensed condition

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Details

96109, 96 67, 96 48HD, G03C 172, G03C 134, G03C 300, G03C 524

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active

041689801

ABSTRACT:
A heat developable photographic material comprising, in reactive association, (a) photosensitive silver halide, with (b) an image-forming combination comprising (i) a silver imidazoline-2-thione wherein the imidazoline-2-thione portion is a 1-methyl, 1-ethyl or 1-phenyl-4-imidazoline-2-thione, with (ii) an organic, silver halide developing agent and (c) a binder, can provide developed and stabilized images without the need for processing solutions or baths. An image can be developed and stabilized in this material by merely heating the material to moderately elevated temperatures after imagewise exposure. Other addenda employed in heat developable photographic silver halide materials can be employed with the heat developable photographic materials described.

REFERENCES:
patent: 3252799 (1966-05-01), Gotze et al.
patent: 3457075 (1969-06-01), Morgan et al.
patent: 3617289 (1971-11-01), Ohkubo et al.
patent: 3647439 (1972-03-01), Bass
patent: 3767414 (1973-10-01), Huffman et al.
patent: 3785830 (1974-01-01), Sullivan et al.
patent: 3801330 (1974-04-01), Brinckman et al.
patent: 3839041 (1974-10-01), Hiller
patent: 4009039 (1977-02-01), Masuda et al.
Research Disclosure, Oct. 1976, Item 15027, p. 22.
Stabilization of Photographic Silver Halide Emulsions-Birr, pp. 192-201, .COPYRGT.1974, Focal Press, N.Y.

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