Thermomigrationfast azo dyes
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United States of America Patent
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-
Feb 20, 2001
Grant Date -
N/A
app pub date -
Dec 14, 1999
filing date -
Dec 21, 1998
priority date (Note) -
Expired
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Abstract
Azo dyes of the formula ##STR1## wherein the substituents are each as defined in the description, are useful for dyeing and printing synthetic textile materials.
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