Silver halide photographic materials

Details Silver halide photographic materials Silver halide photographic materials

1986-10-06

1989-02-07

Louie, Won H.

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

430265, 430267, 430949, 430606, 430512, 430445, 430446, 430448, G03C 136, G03C 526

Patent

active

048031496

ABSTRACT:
A silver halide photographic material for a bright room and a process for producing the photographic material are disclosed, wherein the silver halide photographic material for a bright room comprises a support having thereon at least one silver halide emulsion layer containing silver chloride grains or silver chlorobromide grains containing at least 80 mol % silver chloride, at least one of said silver halide emulsion layer or another hydrophilic colloid layer(s) present containing a yellow dye making the silver halide photographic material substantially insensitive to visible light of 420 n.m. or more and an ultraviolet absorbent in an amount sufficient to reduce the specific sensitivity of the silver halide emulsion at 360 n.m. to 1/2 or lower than 1/2 thereof in the absence of the ultraviolet absorbent, and the .gamma. value of the silver halide photographic material being at least 10.

REFERENCES:
patent: 3533794 (1970-10-01), Ohi et al.
patent: 4169733 (1979-10-01), Iytaka et al.
patent: 4268620 (1981-05-01), Iytaka et al.
patent: 4452882 (1984-06-01), Akimura et al.
patent: 4681836 (1987-07-01), Inoue et al.

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