Silver halide photographic light-sensitive material

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

1984-04-13

1986-06-24

Downey, Mary F.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430584, 430613, 430614, G03C 128

Patent

active

045967679

ABSTRACT:
A silver halide photographic light-sensitive material spectrally sensitized in an infrared region is described. The silver halide photographic light-sensitive material has at least one silver halide photographic emulsion layer containing at least one infrared-sensitizing dye represented by the following general Formula (I): ##STR1## wherein R.sub.1, R.sub.2, R, D, Z, Z.sub.1, X, and n are as described in the specification; and at least one compound represented by the following general Formula (II): ##STR2## wherein Z.sub.2, R.sub.6, R.sub.7 and X.sub.1 are described in the specification.
The silver halide photographic light-sensitive material has improved sensitivity in an infrared spectral region and improved preservability.

REFERENCES:
patent: 2131038 (1938-09-01), Brooker et al.
patent: 2734900 (1956-02-01), Haseltine
patent: 3457078 (1969-07-01), Riester
patent: 3615632 (1971-10-01), Shiba et al.
patent: 3615633 (1971-10-01), Brooks
patent: 3690891 (1972-09-01), Spence et al.
patent: 4011083 (1977-03-01), Durning et al.

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