Global Patent Index - EP 0369491 A1

EP 0369491 A1 19900523 - Method of manufacturing silver halide emulsion.

Title (en)

Method of manufacturing silver halide emulsion.

Title (de)

Methode zur Herstellung einer Silberhalogenidemulsion.

Title (fr)

Méthode pour préparer une émulsion à l'halogénure d'argent.

Publication

EP 0369491 A1 19900523 (EN)

Application

EP 89121452 A 19891120

Priority

  • JP 1552089 A 19890125
  • JP 29196688 A 19881118

Abstract (en)

A method of manufacturing a silver halide emulsion, characterized in that reduction sensitization is performed by using at least one of ascorbic acid and derivatives thereof in a process of manufacturing a silver halide emulsion. A method of manufacturing a silver halide emulsion, wherein reduction sensitization is performed by using at least one of ascorbic acid and derivatives thereof during precipitation of silver halide grains.

IPC 1-7

G03C 1/015

IPC 8 full level

G03C 1/015 (2006.01); G03C 1/005 (2006.01); G03C 1/07 (2006.01); G03C 7/30 (2006.01)

CPC (source: EP)

G03C 1/015 (2013.01); G03C 1/0051 (2013.01); G03C 1/07 (2013.01); G03C 7/3022 (2013.01); G03C 2005/3007 (2013.01); G03C 2200/59 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB NL

DOCDB simple family (publication)

EP 0369491 A1 19900523; EP 0369491 B1 19950920; DE 68924327 D1 19951026; DE 68924327 T2 19960328

DOCDB simple family (application)

EP 89121452 A 19891120; DE 68924327 T 19891120