DYEING WITH SULFUR DYES AND SULFUR VAT DYES
Application 109/KOLNP/2005 published 2006-03-24, filed 1920-01-31
The present invention relates to a process for dyeing fiber materials with sulfur dyes by regenerating the dyebath redox potential, which comprises, during the dyeing process, the dyeing liquor being circulated between the dyeing apparatus and an attached electrolytic cell and the sulfur dye which has been unwantedly oxidized in the dyebath being cathodically reduced in the electrolytic cell. (FIG. - nil)
Applicant
DYSTAR TEXTILFARBEN GMBH & CO DEUTSCHLAND KG
INDUSTRIEPARK HOCHEST/GEBAUDE B 598 65926 FRANKFURT AM MAIN GERMANY
Inventor
1. BECHTOLD THOMAS 2.SCHROTT WOLFGANG 3. HULS THORSTEN 4. MUCHE MARC-STEFEN 5. WENDT BERTRAM
International Info
Classification: F06P 1/30,3/60,3/52,3/24,5/20
Publication Number: WO 04/013406 A1
Application Date: 2002-07-23
Priority Information
102 34 825.1 DE 2002-07-31