Silver halide photographic light-sensitive material

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

1987-08-24

1989-05-09

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Two or more radiation-sensitive layers containing other than...

430558, 430581, 430583, G03C 146, G03C 116, G03C 112, G03C 738

Patent

active

048289698

ABSTRACT:
A silver halide photographic light-sensitive material having, upon a substrate, a blue-sensitive silver halide emulsion layer, a green-sensitive emulsion layer and a red-sensitive emulsion layer. The silver halide grains contained in the blue-sensitive emulsion layer is optically sensitized for maximum spectral sensitivity in the wavelength region of 450 to 500 nm, and at least one emulsion layer other than the blue-sensitive layer contains a magenta coupler represented by the following formula, the substituents of which are defined within the Specification. ##STR1## Photographic materials thus formed have both an increased blue and green sensitivity.

REFERENCES:
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patent: 3725067 (1973-04-01), Bailey et al.
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patent: 3976492 (1976-08-01), Hinata et al.
patent: 4469785 (1984-09-01), Tanaka et al.
patent: 4585732 (1986-04-01), Kawagishi et al.
patent: 4607002 (1986-08-01), Nakayama et al.
patent: 4609621 (1986-09-01), Sugimoto et al.
patent: 4695533 (1987-09-01), Nakayama et al.

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