(METH)ACRYLIC ACID-BASED COPOLYMER
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United States of America Patent
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Issued Date -
Apr 10, 2014
app pub date -
Apr 25, 2012
filing date -
May 24, 2011
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Abandoned
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Abstract
The present invention provides an HASE polymer which produces a high thickening effect in a small amount at low costs. More specifically, the present invention provides a (meth) acrylic acid-based copolymer obtained by polymerizing (meth) acrylic acid, an alkyl (meth)acrylate with an alkyl group of having 1 to 4 carbon atoms, and a (polyoxyethylene stearyl ether) ester of (meth) acrylic acid.
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