Fiber-reactive azo dyes, their preparation and their use

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United States of America Patent

PATENT NO 7087730
APP PUB NO 20050241080A1
SERIAL NO

10523241

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Reactive dyes of formula (I), wherein A is the radical of a monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan or dioxazine chromophore, Q.sub.1, and Q.sub.2 are each independently of the other hydrogen or unsubstituted or substituted C.sub.1 C.sub.4alkyl, (Q.sub.3).sub.n denotes n substituents selected from the group C.sub.1 C.sub.4alkyl, C.sub.1 C.sub.4alkoxy, halogen and sulfo, X is halogen, 3-carboxypyridin-1-yl, 3-carbamoylpyridin-1-yl, hydroxy, C.sub.1 C.sub.4alkoxy unsubstituted or substituted in the alkyl moiety, phenoxy unsubstituted or substituted in the phenyl moiety, C.sub.1 C.sub.4alkylthio unsubstituted or substituted in the alkyl moiety, unsubstituted or substituted amino, or an N-heterocycle which may or may not contain further hetero atoms, Y is vinyl or a radical --CH.sub.2--CH.sub.2--U and U is a group removable under alkaline conditions, k is a number 2, 3, 4, 5 or 6, m is a number 0 or 1, and n is a number 0, 1 or 2, with the proviso that when A denotes a monoazo chromophore it is not directly linked to the triazinyl radical through a hydroxynaphthalenesulfonic acid coupling component and does not denote a radical of formula (II), are suitable for dyeing cellulosic or nitrogen-containing fiber materials ##STR00001##

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Patent Owner(s)

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HUNTSMAN INTERNATIONAL LLC10003 WOODLOCH FOREST DRIVE THE WOODLANDS TX 77380

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Muller, Bernhard Efringen-Kirchen, DE 30 153
Roentgen, Georg Freiburg, DE 38 43
Tzikas, Athanassios Pratteln, CH 139 535

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