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United States of America Patent
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Jul 4, 2019
app pub date -
Jun 28, 2016
filing date -
Jun 28, 2016
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Abstract
A polymer which has Mn at least 4,000 and comprises polymerized units of a compound of formula NAr1A2A3, wherein Ar1, Ar2 and Ar3 independently are C6-C40 aromatic substituents; Ar1, Ar2 and Ar3 collectively contain no more than one nitrogen atom and at least one of Ar1, Ar2 and Ar3 contains a vinyl group attached to an aromatic ring.
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