Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Robert Mitchell Blankenship0
Barrett Richard Bobsein0
Lifeng Zhang0
Date of Patent
November 11, 2008
0Patent Application Number
110776850
Date Filed
March 11, 2005
0Patent Primary Examiner
Patent abstract
Nonionic associative thickeners are provided having a nonionic water soluble polymer backbone containing vinyl addition polymer. The nonionic water soluble polymer backbone has at least two pendant polymeric chains attached to the nonionic water soluble polymer backbone. The pendant polymeric chains have terminal chain segments containing polyoxypropylene units. The nonionic associative thickeners are useful for modifying the rheology of compositions including aqueous compositions, such as latex containing compositions.
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