Radiation-sensitive compositions and photographic elements conta

Details Radiation-sensitive compositions and photographic elements conta Radiation-sensitive compositions and photographic elements conta

1976-06-29

1978-03-21

Klein, David

Gas separation: apparatus

Electric field separation apparatus

Including gas flow distribution means

96 3, 96 29D, 96 64, 96 76R, 96 77, 96 95, 96107, G03C 148, G03C 140, G03C 176, G03C 128

Patent

active

040802078

ABSTRACT:
Heterocyclic N-(acylhydrazinophenyl)thioamide nucleating agents are disclosed as well as radiation-sensitive compositions and elements containing such nucleating agents in combination with silver halide grains capable of forming an internal latent image. The elements can be used to form direct-positive photographic images. Dye image transfer photographic elements are specifically contemplated.

REFERENCES:
patent: 2563785 (1951-08-01), Ives
patent: 2588982 (1952-03-01), Ives
patent: 3227552 (1966-01-01), Whitmore
patent: 3367780 (1968-02-01), Fix et al.
patent: 3615615 (1970-04-01), Lincoln et al.
patent: 3718470 (1973-02-01), Spence et al.
patent: 3719494 (1973-03-01), Kurtz et al.
patent: 3734738 (1973-05-01), Kurtz et al.
patent: 3759901 (1973-09-01), Lincoln
patent: 3761276 (1973-09-01), Evans
patent: 3923513 (1975-12-01), Evans

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