Silver halide light-sensitive photographic material

Details Silver halide light-sensitive photographic material Silver halide light-sensitive photographic material

1991-06-27

1993-03-09

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430558, 430603, 430608, 430614, 430600, G03C 134, G03C 732

Patent

active

051926520

ABSTRACT:
A light-sensitive silver halide photographic material comprising a support and provided thereon at least one silver halide emulsion layer containing a pyrazolo azole magenta dye-forming coupler represented by general formula M-I; ##STR1## (wherein Z represents a group of non-metallic atoms necessary to complete a nitrogen-containing heterocyclic ring which may have a substituent; X represents a hydrogen atom or a substituent capable of being split off upon reaction with an oxidation product of a color developing agent; and R represents a hydrogen atom or a substituent), to said silver halide emulsion layer an elementary sulfur having been added at an arbitrary timing before the formation of said silver halide emulsion layer on said support.

REFERENCES:
patent: 3189458 (1965-06-01), Herz
patent: 3725067 (1973-04-01), Bailey et al.
patent: 4524132 (1985-06-01), Aoki et al.
patent: 4748100 (1988-05-01), Umemoto et al.
patent: 4752561 (1988-06-01), Nishijima et al.

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