Global Patent Index - EP 0463136 B1

EP 0463136 B1 19951227 - PHOTOGRAPHIC SILVER CHLORIDE EMULSIONS

Title (en)

PHOTOGRAPHIC SILVER CHLORIDE EMULSIONS

Title (de)

PHOTOGRAPHISCHE SILBERCHLORIDEMULSIONEN

Title (fr)

EMULSIONS PHOTOGRAPHIQUES DE CHLORURE D'ARGENT

Publication

EP 0463136 B1 19951227 (EN)

Application

EP 91901765 A 19910112

Priority

  • EP 9100069 W 19910112
  • GB 9001078 A 19900117

Abstract (en)

[origin: WO9110938A1] A photosensitive silver chloride emulsion comprising at least 90 % silver chloride whose keeping properties have been improved by the incorporation therein of a bisphenol derivative having two linked phenol rings wherein the hydrogen atom of one of the phenolic hydroxy groups is replaced by a blocking group which is a substituent other than hydrogen and at least one of the phenol rings is substituted.

IPC 1-7

G03C 1/34; G03C 7/392

IPC 8 full level

G03C 1/035 (2006.01); G03C 1/34 (2006.01); G03C 7/30 (2006.01); G03C 7/32 (2006.01); G03C 7/392 (2006.01)

CPC (source: EP)

G03C 1/035 (2013.01); G03C 1/34 (2013.01); G03C 7/30 (2013.01); G03C 7/3022 (2013.01); G03C 7/39216 (2013.01)

Citation (examination)

WO 9108515 A1 19910613 - KODAK LTD [GB], et al

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

WO 9110938 A1 19910725; DE 69115767 D1 19960208; DE 69115767 T2 19970206; EP 0463136 A1 19920102; EP 0463136 B1 19951227; GB 9001078 D0 19900314; JP H04506579 A 19921112

DOCDB simple family (application)

EP 9100069 W 19910112; DE 69115767 T 19910112; EP 91901765 A 19910112; GB 9001078 A 19900117; JP 50223492 A 19910112