Electrolytic production of active diazine species

Details Electrolytic production of active diazine species Electrolytic production of active diazine species

1979-04-25

1981-01-06

Downey, Mary F.

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

Developing in acid medium

430440, G03C 530

Patent

active

042437458

ABSTRACT:
A process for the photographic development of a light sensitive system is provided wherein photographic material having a layer comprising a photosensitive silver salt is imagewise exposed and the silver salt is imagewise developed in an acid processing solution by use of a 1,4-diazine compound reduced at most to the dihydro stage, wherein the said reduced diazine compound is produced during the development process from a 1,4-diazine or a 1,4-diazine-N-oxide by electrolytic reduction.

REFERENCES:
patent: 3574621 (1971-04-01), Schaller et al.
patent: 3725068 (1973-04-01), Meier

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