Global Patent Index - EP 0337370 B1

EP 0337370 B1 19961009 - Silver halide photographic emulsion and silver halide photographic materials

Title (en)

Silver halide photographic emulsion and silver halide photographic materials

Title (de)

Photographische Silberhalogenidemulsion und photographische Silberhalogenidmaterialien

Title (fr)

Emulsion photographique à l'halogénure d'argent et matériaux photographiques à l'halogénure d'argent

Publication

EP 0337370 B1 19961009 (EN)

Application

EP 89106354 A 19890411

Priority

JP 8837388 A 19880411

Abstract (en)

[origin: EP0337370A2] A silver halide photographic emulsion comprises a dispersion of silver halide grains in a binder, at least 60% by total projected area of the grains being chemically sensitized tabular grains having an aspect ratio of 3 to 10, and a total silver iodide content of at least 8 mol%; the grains having a distinct layer structure comprising at least one silver iodobromide layer in which the silver iodide content is from 15 to 45 mol%.

IPC 1-7

G03C 1/035; G03C 1/34; G03C 7/34

IPC 8 full level

G03C 1/035 (2006.01); G03C 1/005 (2006.01); G03C 1/06 (2006.01); G03C 1/34 (2006.01); G03C 7/30 (2006.01); G03C 7/34 (2006.01); G03C 1/18 (2006.01)

CPC (source: EP)

G03C 1/0051 (2013.01); G03C 1/346 (2013.01); G03C 7/3003 (2013.01); G03C 7/34 (2013.01); G03C 1/18 (2013.01); G03C 7/344 (2013.01); G03C 2001/03535 (2013.01); G03C 2001/03558 (2013.01)

Designated contracting state (EPC)

DE GB

DOCDB simple family (publication)

EP 0337370 A2 19891018; EP 0337370 A3 19910206; EP 0337370 B1 19961009; DE 68927305 D1 19961114; DE 68927305 T2 19970220; JP H0228637 A 19900130; JP H0234830 A 19900205

DOCDB simple family (application)

EP 89106354 A 19890411; DE 68927305 T 19890411; JP 7789889 A 19890329; JP 8010689 A 19890330