The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 15, 2011
Filed:
Oct. 22, 2007
Applicants:
David Dino, Cranbury, NJ (US);
Jeffrey Thompson, East Windsor, NJ (US);
Richard Geurtsen, Robbinsville, NJ (US);
Inventors:
David Dino, Cranbury, NJ (US);
Jeffrey Thompson, East Windsor, NJ (US);
Richard Geurtsen, Robbinsville, NJ (US);
Assignee:
Elementis Specialties, Inc., Hightstown, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/32 (2006.01); C09K 8/60 (2006.01); E21B 21/00 (2006.01); E21B 43/16 (2006.01);
U.S. Cl.
CPC ...
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.