Polyfunctional azo reactive dyestuffs
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United States of America Patent
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Sep 1, 1998
Grant Date -
N/A
app pub date -
May 22, 1996
filing date -
May 31, 1995
priority date (Note) -
Expired
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Abstract
Azo reactive dyestuffs have the following formula D.sup.1 --N.dbd.N--K.sup.1 --Y--K.sup.2 --N.dbd.N--D.sup.2 (1) where the radicals D.sup.1 and D.sup.2 are identical or different and are the radical of a diazo component of the formula XSO.sub.2 --B--D-- (2).
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