Global Patent Index - EP 0480568 B1

EP 0480568 B1 19980610 - Post-processing stabilization of photothermographic emulsions

Title (en)

Post-processing stabilization of photothermographic emulsions

Title (de)

Nachverarbeitungsstabilisierung photothermographischer Emulsionen

Title (fr)

Stabilisation poste-traitement des emulsions photothermographiques

Publication

EP 0480568 B1 19980610 (EN)

Application

EP 91307443 A 19910813

Priority

US 57583490 A 19900831

Abstract (en)

[origin: EP0480568A2] The post-processing stability of silver halide photothermographic emulsions is enhanced by the presence of stabilizng amounts of certain azlactones.

IPC 1-7

G03C 1/494; G03C 1/498

IPC 8 full level

G03C 1/498 (2006.01)

CPC (source: EP)

G03C 1/49845 (2013.01)

Designated contracting state (EPC)

DE FR GB IT NL

DOCDB simple family (publication)

EP 0480568 A2 19920415; EP 0480568 A3 19951206; EP 0480568 B1 19980610; AU 642284 B2 19931014; AU 8178691 A 19920305; CA 2049203 A1 19920301; DE 69129573 D1 19980716; DE 69129573 T2 19981224; JP 3051865 B2 20000612; JP H04234750 A 19920824

DOCDB simple family (application)

EP 91307443 A 19910813; AU 8178691 A 19910812; CA 2049203 A 19910814; DE 69129573 T 19910813; JP 21971391 A 19910830