Silver halide black and white photographic light sensitive mater

Details Silver halide black and white photographic light sensitive mater Silver halide black and white photographic light sensitive mater

1996-04-23

1998-11-17

Chea, Thorl

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

430503, 430546, G03C 106

Patent

active

058374183

ABSTRACT:
A silver halide black-and-white photographic light sensitive material is disclosed, comprising a support provided thereon a silver halide emulsion layer and provided farther from the support another higher-sensitive silver halide emulsion layer, wherein both silver halide emulsion layers each have a coating weight of silver of not less than 0.5 g/m.sup.2 and are sensitized substantially to the same spectral region; at least two, different hydrazine compounds being contained in the silver halide emulsion layers or another photographic component layer.

REFERENCES:
patent: 4920034 (1990-04-01), Sasaoka et al.
patent: 5478696 (1995-12-01), Arai

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