Crosslinked carboxylic copolymers usable as thickeners in aqueous media and preparation thereof
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United States of America Patent
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Jan 24, 1989
Grant Date -
N/A
app pub date -
Nov 2, 1987
filing date -
Mar 14, 1986
priority date (Note) -
Expired
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Abstract
The invention relates to the chemistry of polymers and to cross-linked carboxylic copolymers obtained by copolymerization of an unsaturated carboxylic monomer, a cross-linking agent, an acrylic or methacrylic acid ester with a polyalkylene glycol and, optionally, an alkyl acrylate or methacrylate. Utilization as thickeners, particularly of media containing dissolved salts.
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