Method of processing silver halide photographic material using a

Details Method of processing silver halide photographic material using a Method of processing silver halide photographic material using a

1987-07-24

1989-07-04

Shah, Mukund J.

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

Developing

430219, 430382, 430446, 430489, 430544, 430598, 430600, 430611, 430957, 430960, G03C 524, G03C 100, G03C 106

Patent

active

048450200

ABSTRACT:
A method of processing a silver halide photographic material comprising processing the silver halide photographic material in the presence of an antifoggant which is an organic compound which loses its developing restraining function by a reduction oxidation reaction with oxidized developers. The method improves the discrimination between image and non-image areas of the silver halide photographic material by the novel antifoggant which restrains fog selectively in non-image areas without decreasing photographic sensitivity and image density. The organic compound can be an anti-foggant which possesses a moiety according to the Kendall-Pelz rule and either a mercapto group or a cyclic NH group.

REFERENCES:
patent: 4310622 (1982-01-01), Onda et al.
patent: 4328302 (1982-05-01), Nishimura et al.
patent: 4390613 (1983-01-01), Mehta et al.
patent: 4451555 (1984-05-01), Pollet et al.
patent: 4459351 (1984-07-01), Adin et al.

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