Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 22, 2011
Patent Application Number
12812923
Date Filed
January 15, 2009
Patent Primary Examiner
Patent abstract
Rheology modifying admixture comprising a) from 80 to 99% w/w of hydroxyalkyl guar, cellulose ether, or mixture thereof; b) from 1 to 20% w/w of biopolymer selected from diutan gum and welan gum, and hydraulic compositions containing the rheology modifier admixture together with a superplasticizer.
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