Vinylamine copolymer and process for producing same
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United States of America Patent
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Aug 6, 1991
Issued Date -
N/A
app pub date -
Aug 10, 1988
filing date -
Jun 30, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed herein are an N-vinylformamide copolymer having the structural units represented by the following formulas (I) and (II): ##STR1## wherein R.sub.1 represents a hydrogen atom or a methyl group and R.sub.2 represents an alkyl group of 1 to 4 carbon atoms, in which the molar ratio between the structural units (I) and (II) is from 20:80 to 95:5, and a process for producing the N-vinylformamide copolymer.
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