Global Patent Index - EP 0534086 A1

EP 0534086 A1 19930331 - Bleach solution for colour photographic process.

Title (en)

Bleach solution for colour photographic process.

Title (de)

Bleichlösung für farbfotografisches Verfahren.

Title (fr)

Solution de blanchiment pour procédé photographique en couleurs.

Publication

EP 0534086 A1 19930331 (EN)

Application

EP 92112723 A 19920724

Priority

JP 18716491 A 19910726

Abstract (en)

Disclosed is a processing solution having bleachability for a light-sensitive silver halide color photographic material, which comprises at least a ferric complex salt of a compound represented by the following formula (I): <CHEM> (wherein A<5>, A<6>, A<7> and A<8> may be the same or different, and each represent hydrogen atom, hydroxyl group, -COOM, -PO<7>M<6>, -CH<6>OH or a lower alkyl group; at least one of A<5>, A<6>, A<7> and A<8> is -COOM or -PO<7>M<6>; M, M<5> and M<6> each represent hydrogen atom, ammonium group, sodium atom, potassium atom, lithium atom or an organic ammonium group), which does not cause bleaching fog, enables rapid processing, has excellent biodegradability and environmental suitability, enables stable processing without causing sulfation, and prevents yellow stain at an edge portion of a light-sensitive material.

IPC 1-7

G03C 5/44; G03C 7/42

IPC 8 full level

G03C 5/44 (2006.01); G03C 7/42 (2006.01)

CPC (source: EP)

G03C 5/44 (2013.01); G03C 7/42 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB NL

DOCDB simple family (publication)

EP 0534086 A1 19930331; EP 0534086 B1 19980325; DE 69224867 D1 19980430; DE 69224867 T2 19980917

DOCDB simple family (application)

EP 92112723 A 19920724; DE 69224867 T 19920724