Global Patent Index - EP 0271323 A3

EP 0271323 A3 19890510 - DYE FORMING COUPLER AND PHOTOGRAPHIC ELEMENT CONTAINING SAME

Title (en)

DYE FORMING COUPLER AND PHOTOGRAPHIC ELEMENT CONTAINING SAME

Publication

EP 0271323 A3 19890510 (EN)

Application

EP 87310810 A 19871209

Priority

US 94083086 A 19861212

Abstract (en)

[origin: EP0271323A2] A novel phenolic cyan dye-forming coupler contains a p-cyanophenylureido group in the 2-position and in the 5-position an acylamino group containing bulky substituents sufficient to provide steric interaction within the coupler molecule and the dye molecule derived therefrom. The coupler is useful in a photographic emulsion.

IPC 1-7

G03C 7/34

IPC 8 full level

G03C 7/34 (2006.01); G03C 7/305 (2006.01)

CPC (source: EP)

G03C 7/30523 (2013.01)

Citation (search report)

Designated contracting state (EPC)

BE CH DE FR GB LI NL

DOCDB simple family (publication)

EP 0271323 A2 19880615; EP 0271323 A3 19890510; JP H0682200 B2 19941019; JP S63161450 A 19880705

DOCDB simple family (application)

EP 87310810 A 19871209; JP 31317587 A 19871212