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:
Jul. 17, 2007
Filed:
Jul. 30, 2004
Applicants:
Duane S. Treybig, Sugar Land, TX (US);
Grahame N. Taylor, Houston, TX (US);
David Kelly Moss, Charlotte, NC (US);
Inventors:
Duane S. Treybig, Sugar Land, TX (US);
Grahame N. Taylor, Houston, TX (US);
David Kelly Moss, Charlotte, NC (US);
Assignee:
Nalco Company, Naperville, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C11D 1/90 (2006.01);
U.S. Cl.
CPC ...
Abstract
A viscoelastic surfactant composition having improved rheological performance comprising one or more quaternized amidoamine surfactants, one or more tertiary amine amides, one or more polymeric acids and one or more electrolytes, viscosified aqueous fluids comprising the surfactant composition and methods of making and using the viscosified aqueous fluid for treating subterranean formations.