Global Patent Index - EP 0460656 A1

EP 0460656 A1 19911211 - Silver halide photographic emulsion.

Title (en)

Silver halide photographic emulsion.

Title (de)

Photographische Silberhalogenidemulsion.

Title (fr)

Emulsion photographique à l'halogénure d'argent.

Publication

EP 0460656 A1 19911211 (EN)

Application

EP 91109266 A 19910606

Priority

JP 14798490 A 19900606

Abstract (en)

A silver halide photographic emulsion contains a dispersant and silver halide grains. At least 50% of the total projected surface area of the silver halide grains is occupied by tabular silver halide grains having an average aspect ratio of 2 or more. The mutually facing parallel major surfaces of the tabular silver halide grains are (111) faces. At least 30% of the tabular silver halide grains have dislocations in the major surface region.

IPC 1-7

G03C 1/035

IPC 8 full level

G03C 1/035 (2006.01); G03C 1/005 (2006.01); G03C 1/015 (2006.01)

CPC (source: EP)

G03C 1/0051 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB IT NL

DOCDB simple family (publication)

EP 0460656 A1 19911211; JP 2664272 B2 19971015; JP H04251241 A 19920907

DOCDB simple family (application)

EP 91109266 A 19910606; JP 14798490 A 19900606