Catalytic activation of cobalt complex imaging by cobalt

Details Catalytic activation of cobalt complex imaging by cobalt Catalytic activation of cobalt complex imaging by cobalt

1975-07-14

1977-12-06

Louie, Jr., Won H.

Gas separation: apparatus

Electric field separation apparatus

Plural diverse electric fields

96 88, 96 55, 96 3, 96 48RR, 428411, 428539, 2521883R, G03C 100, G03C 140

Patent

active

040614972

ABSTRACT:
An imaging system and process wherein an element comprising a cobalt complex-developer redox system is catalyzed by cobalt sulfide. The cobalt sulfide can be imagewise produced by exposing a photoreducible cobalt complex in the presence of a thioamide, or it can be uniformly distributed and either masked in an imagewise fashion, or reacted with imagewise distributed color developing agent.

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patent: 2084420 (1937-06-01), Weyde
patent: 3046129 (1962-07-01), Graham et al.
patent: 3062645 (1962-11-01), Carroll
patent: 3862842 (1975-01-01), Bissonette

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