Silver halide photographic material

Details Silver halide photographic material Silver halide photographic material

1988-09-16

1990-04-10

Van Le, Hoa

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430567, 430600, 430609, 430627, 430630, G03C 110

Patent

active

049160532

ABSTRACT:
A negative-tupe silver halide photographic material is provided, having high sensitivity and good graininess with low fog. The material has at least one silver halide emulsion layer on a support, wherein chemically-sensitized silver halide grains contained in the emulsion of said emulsion layer comprise normal crystalline grains, and said emulsion layer containing said normal crystalline silver halide grains contains a polymer having a repeating unit represented by formula (I): ##STR1## wherein R.sub.1 represents a hydrogen atom or an alkyl group; Q represents one group selected from formulae (i), (ii), (iii), and (iv); ##STR2## wherein q is an integer of from 2 to 4; ##STR3## wherein R.sup.2 and R.sup.3 each represents a hydrogen atom or an alkyl group; ##STR4## wherein Z.sup.1 represents an atomic group forming a lactam ring, an oxazolidone ring, or a pyridone ring;

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patent: 4120725 (1978-10-01), Nakazyo et al.
patent: 4431730 (1984-02-01), Urabe et al.
patent: 4431731 (1984-02-01), Sugimoto et al.
patent: 4528264 (1985-07-01), Ishiguro et al.
patent: 4565778 (1986-01-01), Miyamoto et al.
patent: 4581328 (1986-04-01), Matsuyama
patent: 4610958 (1986-09-01), Matsuzaka et al.
patent: 4668614 (1987-05-01), Takada et al.

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