Black dye mixture of fiber active azoie color, its prepn. method and dyeing material containing hydroxy and/or formamido fiber

Application Number: 00108113
Application Date: 2000.04.28
Publication Number: 1273986
Publication Date: 2000.11.22
Priority Information: 1999/4/30 US 09/302,668
International: C09B67/24;C09B67/36
Applicant(s) Name: Dystar Textilfarben GmbH & Co. Deutschland KG
Inventor(s) Name: R. Dedmondt;S. Mayer
Patent Agency Code: 11038
Patent Agent: wu yihua
Abstract The present invention is a dye mixture containing one or more disazo dyes conforming to the formula (1), one or more monoazo dyes conforming to the formula (2), and one or more dyes of the formulae (3), wherein the formulae (1)-(3) have been defined in the claim 1. The invention further relates to a method for its preparation and a process for dyeing hydroxy- and/or carboxamido containing fiber material in which the inventive dye is applied to the material.