Silver halide photographic light sensitive material

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

1996-10-11

1998-05-19

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

430502, 430509, G03C 1295, G03C 146

Patent

active

057534098

ABSTRACT:
A silver halide black-and-white photographic light sensitive material is disclosed, comprising a support provided on one side thereof photographic component layers comprising at least two, first and second silver halide emulsion layers and optionally a nonlight-sensitive hydrophilic colloidal layer, the first emulsion layer being provided closer to the support than the second emulsion layer, wherein two or more layers of the component layers, each contains a hydrazine compound; and a molar ratio of a total hydrazine content of all layer(s) closer to the support from the first emulsion layer which include the first emulsion layer to that of all layer(s) farther from the support than the first emulsion layer which include the second emulsion layer is 0.2 to 0.8.

REFERENCES:
patent: 4920034 (1990-04-01), Sasaoka et al.
patent: 5185232 (1993-02-01), Sasaoka
patent: 5210200 (1993-05-01), Shimada et al.
patent: 5273859 (1993-12-01), Katoh et al.
patent: 5395732 (1995-03-01), Katoh et al.
patent: 5512415 (1996-04-01), Dale et al.

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