Silver halide photographic light sensitive material

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

1991-08-13

1993-07-20

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

430598, 430601, 430599, G03C 106

Patent

active

052292487

ABSTRACT:
A silver halide photographic light-sensitive material is disclosed, which is capable of forming an extremely high contrast image with high dot quality and is inhibited in formation of pepper spots. The light-sensitive material comprises a support, and provided thereon, a photographic layer including a silver halide emulsion layer, wherein the pH value of the surface of said photographic layer is 5.9 or more and said emulsion layer or a layer adjacent to said emulsion layer contains a specified hydrazine compound, and an amine compound or a quaternary onium compound.

REFERENCES:
patent: 4853312 (1989-08-01), Yamada
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patent: 4975354 (1990-12-01), Machonkin et al.
patent: 4987052 (1991-01-01), Hirano et al.
patent: 4988604 (1991-01-01), Machonkin et al.
patent: 5024932 (1991-06-01), Tanji et al.
patent: 5041355 (1991-08-01), Machonkin et al.
Patent Abstracts of Japan, vol. 12, No. 166 (P-704) (3013), 1988.
Patent Abstracts of Japan, vol. 14, No. 148 (P-1024) (4091), 1990.

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