Silver halide photographic light-sensitive material

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

1986-04-29

1987-09-08

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430552, 430567, G03C 140, G03C 734, G03C 102

Patent

active

046924000

ABSTRACT:
A silver halide photographic light-sensitive material comprising a least one silver halide emulsion layer, wherein said silver halide emulsion layer comprises
a phenol-type cyan coupler having at the 2-position of the penol nucleus thereof a group selected from the group consisting of a phenyl-ureido group, a naphthyl-ureido group and a heterocyclic ureido group, and having at the 5-position thereof an acylamino group, and
a negative type silver halide grains of a core-shell structure which consisting of silver bromide or silver iodobromide and a plurality of shells essentially consisting of silver bromide or silver iodobromide, said plurality of shells comprising an outermost shell containing 0 to 10 mol % of silver iodide, a highly iodide-containing shell provided inside said outermost shell of which silver iodide content is at least 6 mol % of silver iodide, a highly iodide-containing shell provided inside said outermost shell of which silver iodide content is at least 6 mol % higher than that of said outermost shell, and an intermediate shell provided between said outermost shell and said highly iodide-containing shell of which a silver iodide content is at least 3 mol % higher than that of said outermost shell, and at least 3 mol % lower than that of said highly iodide-containing shell.

REFERENCES:
patent: 4444872 (1984-04-01), Kato et al.
patent: 4477564 (1984-10-01), Cellone et al.
patent: 4554244 (1985-11-01), Sato et al.
patent: 4614711 (1986-09-01), Sugimoto eet al.

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