Silver halide photographic light-sensitive materials

Details Silver halide photographic light-sensitive materials Silver halide photographic light-sensitive materials

1984-01-23

1985-01-15

Brown, J. Travis

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430503, 430505, 430550, 430573, 430576, 430592, G03C 102

Patent

active

044938896

ABSTRACT:
A silver halide photographic light-sensitive material is disclosed. The material is comprised of a support having thereon a red-sensitive silver halide photographic emulsion layer comprising a tetramethine melocyanine dye represented by the general formula (I) and a compound represented by the general formula (II) ##STR1## the substituents within these structural formulae are defined within the specification. The material gives improved results with respect to preventing diffuse sensitization. The material also provides a red-sensitive silver halide photographic emulsion in which a decline of spectro-sensitivity in the lapse of dissolution is relatively small and which has a small amount of dye fog.

REFERENCES:
patent: 2875058 (1959-02-01), Carroll et al.
patent: 3416927 (1968-12-01), Kalenda
patent: 3615632 (1971-10-01), Shiba et al.
patent: 4002480 (1977-01-01), Hinata et al.

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