Mixtures fiber-reactive dyes and use thereof for dyeing fiber
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United States of America Patent
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Sep 17, 1996
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N/A
app pub date -
May 2, 1995
filing date -
May 2, 1994
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Abstract
Mixtures of fiber-reactive dyes in brilliant orange to red shades comprise one or more disazo dyes of the formula ##STR1## and one or more monoazo dyes of the formula ##STR2## in which: D.sup.1 D.sup.2 and D.sup.3, which are identical to or different from one another, are phenyl or 2-naphthol substituted by vinylsulfone, vinylsulfone, M is hydrogen or an alkali metal, m, n and p are zero or 1, X is chlorine, fluorine, hydroxy, cyanoamino or lower alkylamino, with W being a 2-chloro- or 2-fluoro-s-triazin-6-yl radical which is substituted in position 4 by chlorine, hydroxy, phenoxy, morpholino or by a radical corresponding to one of the definitions of D.sup.1 or by a phenyl radical, which may be substituted by sulfo, carboxy, methyl, ethyl, methoxy, ethoxy and/or hydroxy, or D.sup.3 and W are as further described in the specification.
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