Bi -and polyfunctional reactive dyestuffs, their prepartion and their use
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United States of America Patent
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Jan 28, 1997
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N/A
app pub date -
Apr 27, 1993
filing date -
May 4, 1992
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Abstract
Reactive dyestuffs which, in the form of the free acid, correspond to the following formula ##STR1## wherein D is the radical of an organic dyestuff of the monoazo, polyazo or metal complex azo series and the other substituents have the meaning given in the description, show improved application properties.
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