Global Patent Index - EP 0294104 B1

EP 0294104 B1 19910918 - PHOTOGRAPHIC ELEMENT CONTAINING A CYAN DYE-FORMING COUPLER

Title (en)

PHOTOGRAPHIC ELEMENT CONTAINING A CYAN DYE-FORMING COUPLER

Publication

EP 0294104 B1 19910918 (EN)

Application

EP 88304780 A 19880526

Priority

US 5619487 A 19870601

Abstract (en)

[origin: EP0294104A1] The reduction of cyan image dye to a leuco compound in a color photographic element by ferrous ion contained in a bleach processing solution is inhibited by the presence in the element of a polymeric latex having recurring units that are derived from certain lower alkoxyacrylate monomers optionally copolymerized with recurring units derived from certain acrylic ionomers.

IPC 1-7

G03C 7/26

IPC 8 full level

G03C 1/06 (2006.01); G03C 1/053 (2006.01); G03C 7/34 (2006.01); G03C 7/396 (2006.01)

CPC (source: EP)

G03C 1/053 (2013.01); G03C 7/396 (2013.01)

Designated contracting state (EPC)

DE FR GB NL

DOCDB simple family (publication)

EP 0294104 A1 19881207; EP 0294104 B1 19910918; DE 3864910 D1 19911024; JP 2721177 B2 19980304; JP S6452136 A 19890228

DOCDB simple family (application)

EP 88304780 A 19880526; DE 3864910 T 19880526; JP 13288188 A 19880601