Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Melissa Merlau Johnson0
Barrett Richard Bobsein0
Lifeng Zhang0
Date of Patent
September 28, 2010
Patent Application Number
11638214
Date Filed
December 13, 2006
Patent Primary Examiner
Patent abstract
A method for improving the viscosity stability of an aqueous composition having a latex polymer and associative thickeners with at least one hydrophilic segment and at least two hydrophobic segments is provided. The associative thickeners are chosen such that one associative thickener has a lower molecular weight than the other associative thickener.
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