Black-and-white silver halide photographic light-sensitive mater

Details Black-and-white silver halide photographic light-sensitive mater Black-and-white silver halide photographic light-sensitive mater

1997-03-31

1998-06-16

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

430523, 430950, G03C 176

Patent

active

057668213

ABSTRACT:
A black-and-white silver halide photographic light-sensitive material is disclosed. The black-and-white silver halide photographic light-sensitive material comprises a support having thereon a light-sensitive silver halide emulsion layer and at least two non-light-sensitive hydrophilic colloid layers provided on the surface of the silver halide emulsion layer farther from said support, in which the silver halide emulsion layer comprises silver halide grains each having a silver chloride content of 90 mole-% to 100 mole-% and containing a metal selected from the group consisting of transition metal of Group VIII of the periodic table and rhenium, a layer provided on the emulsion layer coated side of the support contains a hydrazine derivatives and a layer provided on the emulsion layer coated side of the support contains an amine compounds or an onium compounds as a nucleation accelerating agent, and the total dry thickness of layers provided on the surface farther from the support of the silver halide emulsion layer which is provided nearest to the support is 2.5 .mu.m to 8 .mu.m.

REFERENCES:
patent: 5175073 (1992-12-01), Gingello et al.
patent: 5591561 (1997-01-01), Arai et al.
patent: 5616446 (1997-04-01), Miura et al.
patent: 5618661 (1997-04-01), Sampei
patent: 5667936 (1997-09-01), Yamada et al.

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