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1. (WO2001004409) DYEING PROCESS WITH SULFUR DYES

Pub. No.:    WO/2001/004409    International Application No.:    PCT/IB2000/000937
Publication Date: Fri Jan 19 00:59:59 CET 2001 International Filing Date: Wed Jul 12 01:59:59 CEST 2000
IPC: D06P 1/30
D06P 3/24
Applicants: CLARIANT FINANCE (BVI) LIMITED
CLARIANT INTERNATIONAL LTD.
Inventors: FURRER, Marcos
ANNEN, Oskar
Title: DYEING PROCESS WITH SULFUR DYES
Abstract:
A process for dyeing polyamide or polyamide-containing substrates with sulfur dyes comprises effecting said dyeing in a pH range of 8 - 11 and at 90 - 120 °C and with reducing agents which are suitable under these conditioners. Also claimed are substrates dyed using this process.