Heat developable imaging materials and process

Details Heat developable imaging materials and process Heat developable imaging materials and process

1977-03-16

1978-10-31

Brown, J. Travis

Gas separation: apparatus

Electric field separation apparatus

Including gas flow distribution means

961141, 96 94R, 96 67, G03C 530, G03C 102, G03C 176, G03C 300

Patent

active

041232747

ABSTRACT:
A photothermographic material comprising in reactive association (a) photosensitive silver halide, (b) an image-forming combination comprising (i) a silver salt of certain 1,2,4-mercaptotriazole derivatives with (ii) a silver halide developing agent, and (c) a polymeric binder, provides developed images without the need for processing solutions or baths. An image can be developed in this material by merely heating the material to moderately elevated temperatures. The silver salts of certain 3-amino-1,2,4-mercaptotriazole derivatives are particularly preferred compounds. Other addenda employed in heat developable photothermographic materials, such as sensitizing dyes, can be employed with the photothermographic materials described.

REFERENCES:
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patent: 2710256 (1955-06-01), Eckler et al.
patent: 3330663 (1967-07-01), Weyde et al.
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patent: 3699114 (1972-10-01), Ohkubo et al.
patent: 3767414 (1973-10-01), Huffman et al.
patent: 3785830 (1974-01-01), Sullivan et al.
patent: 3794496 (1974-02-01), Manhart
patent: 3839041 (1974-01-01), Hiller
Chemical Abstracts vol. 23, No. 10, May, 1929 #2178.
Chemical Abstracts vol. 54, Oct., 1960 #19695.

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