Disazo dyestuffs for dyeing cellulosic materials
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United States of America Patent
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Jul 4, 2000
Grant Date -
N/A
app pub date -
Dec 17, 1997
filing date -
Dec 24, 1996
priority date (Note) -
Expired
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Abstract
The novel disazo dyestuffs of the formula (I) in which the substituents and indices have the meanings given in the description, are outstandingly suitable for dyeing cellulosic materials in red-violet to blue brilliant color shades.
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