Rheology modifying copolymer composition
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United States of America Patent
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Aug 13, 2002
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N/A
app pub date -
Oct 24, 2000
filing date -
Oct 24, 2000
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Expired
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Abstract
A rheology modifying copolymer composition containing a cross-linked copolymer of unsaturated carboxylic acid, a hydrophobic monomer, a hydrophobic chain transfer agent, a cross linking agent, and, optionally, a steric stabilizer, provides increased viscosity in aqueous electrolyte-containing environments.
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