Mixtures of Fibre Reactive Dyes
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United States of America Patent
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Issued Date -
Oct 23, 2008
app pub date -
May 11, 2005
filing date -
May 24, 2004
priority date (Note) -
Abandoned
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Abstract
Mixtures of reactive dyestuffs comprising one dyestuff of the formula (II-a) and at least one of the dyestuffs formula (II-b) to (II-d) wherein M is H, an alkali metal, an ammonium ion or the equivalent of an alkaline earth metal and is preferably H, sodium or potassium; A is diisopropanolamine B is an amine of one of the general formulae B-1 to B-8 wherein R.sub.3 is Hydrogen, Methyl, Ethyl, n-Propyl, i-Propyl, Hydroxyethyl, Hydroxypropyl, -Cyanethyl, -Hydroxycerbonylethyl, processes for their preparation and their use for dyeing and printing hydroxy-and/or carboxamidocontaining fiber materials.
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