Colorant compositions
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United States of America Patent
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Aug 10, 2010
Grant Date -
May 15, 2008
app pub date -
Jan 25, 2008
filing date -
Apr 24, 2003
priority date (Note) -
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Abstract
Disclosed is a colorant composition of the formula, independently of the others, is a halogen atom, an alkyl group, an alkoxy group, a nitrile group, a nitro group, an amide group, or a sulfonamide group, w is an integer of 0, 1, 2, 3, or 4, n is an integer representing the number of carbon atoms in each repeat alkylene oxide unit, and x is an integer representing the number of repeat alkylene oxide units, wherein said colorant has no more than one —OH, —SH, or primary or secondary amino group per molecule.
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