EP 0575910 A2 19931229 - Photographic emulsions containing scavengers for gelatin hardeners.
Title (en)
Photographic emulsions containing scavengers for gelatin hardeners.
Title (de)
Photographische Emulsionen mit Radikalfänger für Gelatine-Härtemittel.
Title (fr)
Emulsions photographiques contenant des composés pour bloquer des agents dorcissants de gélatine.
Publication
Application
Priority
US 90136792 A 19920619
Abstract (en)
A method of hardening a silver halide photographic emulsion comprising providing a silver halide photographic emulsion comprising a negatively charged hydrophobic coupler dispersion containing a hydrophobic hardener scavenger and contacting the silver halide emulsion with a hydrophobic or positively charged hardener for a period of time sufficient to harden the emulsion.
IPC 1-7
IPC 8 full level
G03C 1/015 (2006.01); G03C 1/047 (2006.01); G03C 1/30 (2006.01); G03C 1/34 (2006.01); G03C 7/388 (2006.01); G03C 7/392 (2006.01)
CPC (source: EP)
G03C 1/30 (2013.01); G03C 7/388 (2013.01)
Designated contracting state (EPC)
BE CH DE FR GB IT LI NL
DOCDB simple family (publication)
EP 0575910 A2 19931229; EP 0575910 A3 19940817; JP H0667336 A 19940311
DOCDB simple family (application)
EP 93109778 A 19930618; JP 14347593 A 19930615