Global Patent Index - EP 0566075 B1

EP 0566075 B1 19981209 - Silver halide photographic emulsions utilizing low-dye sensitizations with incorporated fog suppressants

Title (en)

Silver halide photographic emulsions utilizing low-dye sensitizations with incorporated fog suppressants

Title (de)

Photographische Silberhalogenidemulsionen mit geringen Farbstoffsensibilisierungen und mit zugesetzten, Schleier unterdrückenden Mitteln

Title (fr)

Emulsions photographiques à l'halogénure d'argent avec sensibilisations basses de colorants et avec moyens antivoile incorporés

Publication

EP 0566075 B1 19981209 (EN)

Application

EP 93106042 A 19930414

Priority

  • US 86967292 A 19920416
  • US 96386692 A 19921020

Abstract (en)

[origin: EP0566075A1] This invention provides a silver halide photographic element which contains a silver halide emulsion comprising a sensitizing dye at a concentration of 75% of its saturation coverage and an antifogging amount of a heterocyclic antifoggant which contains an acidic sulfur or nitrogen silver binding site, said antifoggant being added before or during spectral/chemical sensitization. It further provides a method of preparing such a silver halide emulsion.

IPC 1-7

G03C 1/005; G03C 1/12; G03C 1/34

IPC 8 full level

G03C 1/015 (2006.01); G03C 1/005 (2006.01); G03C 1/08 (2006.01); G03C 1/10 (2006.01); G03C 1/12 (2006.01); G03C 1/34 (2006.01)

CPC (source: EP)

G03C 1/005 (2013.01); G03C 1/12 (2013.01); G03C 1/34 (2013.01)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0566075 A1 19931020; EP 0566075 B1 19981209; DE 69322429 D1 19990121; DE 69322429 T2 19990429; JP H0619027 A 19940128

DOCDB simple family (application)

EP 93106042 A 19930414; DE 69322429 T 19930414; JP 8984393 A 19930416