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. 12, 2013
Filed:
Jul. 10, 2009
Applicants:
Marcus D. Faust, Jr., Houston, TX (US);
Austen K Flatt, Sugar Land, TX (US);
Thomas M. Weathers, Jr., Katy, TX (US);
Duy T. Nguyen, Houston, TX (US);
Inventors:
Marcus D. Faust, Jr., Houston, TX (US);
Austen K Flatt, Sugar Land, TX (US);
Thomas M. Weathers, Jr., Katy, TX (US);
Duy T. Nguyen, Houston, TX (US);
Assignee:
Nalco Company, Naperville, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09K 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for reducing the viscosity of a hydrocarbon fluid encountered in petroleum operations is disclosed. The method includes contacting the hydrocarbon fluid with an effective amount of a composition comprising at least one polymer having at least 25 mole percent cationic monomers.