Global Patent Index - EP 0577192 B1

EP 0577192 B1 20000809 - Photographic element comprising a dir coupler and a barc coupler containing an acid solubilizing group

Title (en)

Photographic element comprising a dir coupler and a barc coupler containing an acid solubilizing group

Title (de)

Photographisches Element enthaltend einen DIR-Kuppler und einen eine Säure löslichmachende Gruppe enthaltenden Bleich- beschleuniger freisetzenden Kuppler

Title (fr)

Elément photographique comprenant un copulant DIR et un copulant libérant accélérateur de blanchiment comprenant un groupe acide solubilisant

Publication

EP 0577192 B1 20000809 (EN)

Application

EP 93201812 A 19930623

Priority

US 90624792 A 19920629

Abstract (en)

[origin: EP0577192A1] A color photographic element comprises a support bearing at least one photographic silver halide emulsion layer, an image dye-forming coupler, and a combination of a development inhibitor releasing coupler and a wash-out coupler,the washout coupler (A) (i) capable of forming a compound that is washed out of the photographic element upon processing and (ii) capable of releasing a bleach accelerator group, and (iii) is represented by the formula: (SOL)x-COUP-(R<1>)y-BLEACH The development inhibitor releasing coupler is selected from a timed and non-timed development inhibitor releasing coupler.

IPC 1-7

G03C 7/305

IPC 8 full level

G03C 7/305 (2006.01); G03C 7/32 (2006.01); G03C 7/407 (2006.01)

CPC (source: EP)

G03C 7/30541 (2013.01); G03C 7/30576 (2013.01); G03C 7/30594 (2013.01)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0577192 A1 19940105; EP 0577192 B1 20000809; DE 69329172 D1 20000914; DE 69329172 T2 20010405; JP H0659413 A 19940304

DOCDB simple family (application)

EP 93201812 A 19930623; DE 69329172 T 19930623; JP 15669793 A 19930628