EP 0513291 B1 19960320 - PROCESS FOR REDUCING TEXTILE DYESTUFFS
Title (en)
PROCESS FOR REDUCING TEXTILE DYESTUFFS
Title (de)
VERFAHREN ZUR REDUKTION VON TEXTILFARBSTOFFEN
Title (fr)
PROCEDE DE REDUCTION DE COLORANTS TEXTILES
Publication
Application
Priority
- AT 9100123 W 19911202
- AT 243690 A 19901203
Abstract (en)
[origin: WO9209740A1] A process is disclosed for reducing textile dyestuffs in an aqueous alkaline medium by means of a complex containing an iron salt. For that purpose, a quantity of iron (II) salt is used that is sufficient to ensure the desired reduction of the dydstuff after a single oxidation.
IPC 1-7
IPC 8 full level
D06P 1/22 (2006.01)
CPC (source: EP US)
D06P 1/221 (2013.01 - EP US)
Designated contracting state (EPC)
AT CH DE ES FR GB IT LI SE
DOCDB simple family (publication)
WO 9209740 A1 19920611; AT E135765 T1 19960415; DE 59107584 D1 19960425; EP 0513291 A1 19921119; EP 0513291 B1 19960320; US 5443599 A 19950822
DOCDB simple family (application)
AT 9100123 W 19911202; AT 91920878 T 19911202; DE 59107584 T 19911202; EP 91920878 A 19911202; US 35868994 A 19941219