Silver halide photographic materials

Details Silver halide photographic materials Silver halide photographic materials

1984-03-26

1986-01-21

Louie, Won H.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430569, 430603, 430605, 430566, 430564, 430613, 430615, G03C 128, G03C 134

Patent

active

045657785

ABSTRACT:
Silver halide photographic materials with higher sensitivity and less fogging having at least one silver halide emulsion layer over a photographic base or support wherein the emulsion of said emulsion layer substantially contains core/shell-type silver halide grains or core/shell-type monodisperse silver halide grains, core portion of said grain containing silver iodide in a greater amount than that contained in shell portion of said grain and said emulsion is subjected to chemical ripening in the presence of a labile selenium compound, optionally with coexistence of a silver halide solvent, and said emulsion may contain further a specific phenol compound.

REFERENCES:
patent: 3408197 (1968-10-01), McVeigh
patent: 3420667 (1969-01-01), Copeland
patent: 3574628 (1971-04-01), Jones
patent: 3689273 (1972-09-01), Willems et al.
patent: 4221863 (1980-09-01), Overman et al.
patent: 4377634 (1983-03-01), Mitune et al.
patent: 4401754 (1983-08-01), Suzuki et al.
patent: 4444877 (1984-04-01), Koitabashi et al.

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