Organic compounds -- part of the class 532-570 series – Organic compounds – Azo
Patent
1989-06-19
1991-01-15
Higel, Floyd D.
Organic compounds -- part of the class 532-570 series
Organic compounds
Azo
534573, 546297, 548375, 549353, 549373, 549374, 549451, 552289, 564505, 564443, 564475, C09B 114, C09B 2300, C09B 2900, C09B 5616
Patent
active
049855468
ABSTRACT:
A substituted colorant which may be copolymerized with a condensation polymer to provide a covalently bound, nonextractable coloring, having the formula ##STR1## wherein R and R.sub.1 are independently selected from hydrogen or lower alkyl; R.sub.4 is selected from hydrogen or lower alkyl; x is 0 or 1; N and M are each integers of from 1 to about 100 and the sum of N and M is from 3 to about 100. The hydroxyl groups are protected by formation of a ring structure during alkoxylation and amination of the substituent.
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Miley John W.
Rekers John W.
Higel Floyd D.
Milliken Research Corporation
Monahan Timothy J.
Petry H. William
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