Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Richard Geurtsen0
David Dino0
Jeffrey Thompson0
Date of Patent
March 15, 2011
0Patent Application Number
125174100
Date Filed
October 22, 2007
0Patent Primary Examiner
Patent abstract
A composition is comprised of a mixture of the reaction product of an amine and a poly-functional isocyanate, and the reaction product of (i) a carboxylic acid with at least two carboxylic moieties; (ii) a polyamine having an amine functionality of two or more; and a chemical selected from the group consisting of (i) alkoxylated alkyl amines, (ii) fatty acid amides and (iii) mixtures thereof, and it is used as a drilling fluid additive.
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