Pyrrolidonyl acrylate block polymers
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United States of America Patent
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Feb 21, 1989
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N/A
app pub date -
Apr 18, 1988
filing date -
Mar 2, 1987
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Expired
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Abstract
(1) Pyrrolidonyl acrylate block polymers having the formula ##STR1## wherein n has a value of 1 to 3; X and X' are dissimilar and each is hydrogen or methyl; y and z each have a value of from 1 to 40, except that at least one of y and z is greater than 1 and R is hydrogen or methyl; (2) preparation of said polymers and (3) uses of said polymers.
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