Ciba Specialty Chemicals Corporation

Huntsman International LLC

Huntsman Advanced Materials LLC

Klaus Koch

Jürgen Schmiedl

Damien Schoehn

Wolfgang Mundle

Franz Grüner

Reactive dyes of formula (1): wherein R, is optionally substituted C-Calkyl, Ris halogen, C-Calkyl, C-Calkoxy or sulfo, Zis a radical of formula &#x2014;SO&#x2014;Y (), &#x2014;CO&#x2014;NH&#x2014;(CH)&#x2014;SO&#x2014;Y (), &#x2014;NH&#x2014;CO&#x2014;CH(Hal)&#x2014;CH&#x2014;Hal () &#x2014;NH&#x2014;CO&#x2014;C(Hal)&#x2550;CHor () wherein Hal is chlorine or bromine, Y is vinyl or a radical &#x2014;CHCH&#x2014;U and U is a group removable under alkaline conditions, k is the number 2, 3, 4, 5 or 6, n is the number 0, 1 or 2 and m is the number 0 or 1, are suitable for dyeing or printing cellulose-containing fibre materials, preferably natural or synthetic polyamide fibre materials, and produce, with a high colour yield, dyeings and prints having good fastness properties 

Reactive dyes, a process for their preparation and their use

Method for the trichromatic dyeing or printing of synthetic polyamide fiber material, wherein at least one red reactive dye of formulais used together with at least one of the yellow or orange reactive dyes of formulaeand at least one blue reactive dye of formulain which formulaethe variables are as defined in claim 1,which method is distinguished by a uniform color build-up and a very good combinability.

Method for the trichromatic dyeing or printing of synthetic polyamide fiber materials

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Muttenz, Switzerland

Klaus Koch