Dye-sensitized light-sensitive core/shell silver halide photogra

Details Dye-sensitized light-sensitive core/shell silver halide photogra Dye-sensitized light-sensitive core/shell silver halide photogra

1985-08-26

1987-10-20

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430574, G03C 119

Patent

active

047014059

ABSTRACT:
There is disclosed a light-sensitive silver halide photographic material which has at least one silver halide emulsion layer on a support, the silver halide emulsion layer includes substantially monodispersed core/shell type silver halide grains, and the silver halide grains are those which have been sensitized with a combination of at least one of sensitizing dyes represented by the following formulae (I) and (II): ##STR1## wherein R.sub.1 to R.sub.8, Y.sub.1 to Y.sub.8, X.sub.1.sup..crclbar., X.sub.2.sup..crclbar., m and n have the same meanings as defined in the specification.

REFERENCES:
patent: 3506443 (1970-04-01), Motter
patent: 3672898 (1972-06-01), Schwan et al.
patent: 4414306 (1983-11-01), Wey et al.
patent: 4433048 (1984-02-01), Solberg et al.
patent: 4444877 (1984-04-01), Koitabashi et al.
patent: 4565778 (1986-01-01), Miyamoto et al.

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