Stable free radical nitroxyl bleaching agents for photographic p

Details Stable free radical nitroxyl bleaching agents for photographic p Stable free radical nitroxyl bleaching agents for photographic p

1977-07-11

1978-10-31

Kelley, Mary F.

Gas separation: apparatus

Electric field separation apparatus

Including gas flow distribution means

96 76R, 961141, G03C 102, G03C 530

Patent

active

041232739

ABSTRACT:
Disclosed herein are aqueous and nonaqueous photographic bleaching solutions and photothermographic elements comprising stable free radical nitroxyl bleaching agents. These agents are capable of bleaching preformed of developed metals, such as silver, in both aqueous and nonaqueous photographic materials. They do not adversely affect the photographic properties of radiation sensitive emulsions and can be thermally activated in a dry photothermographic process.

REFERENCES:
patent: 3615494 (1971-10-01), Watanabe et al.

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