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:
Dec. 16, 2014
Filed:
Apr. 08, 2010
Olina G. Raney, Houston, TX (US);
John Hera, Jr., Sugar Land, TX (US);
Duy T. Nguyen, Houston, TX (US);
Michael K. Poindexter, Sugar Land, TX (US);
George J. Hirasaki, Bellaire, TX (US);
Clarence A. Miller, Houston, TX (US);
Olina G. Raney, Houston, TX (US);
John Hera, Jr., Sugar Land, TX (US);
Duy T. Nguyen, Houston, TX (US);
Michael K. Poindexter, Sugar Land, TX (US);
George J. Hirasaki, Bellaire, TX (US);
Clarence A. Miller, Houston, TX (US);
William Marsh Rice University, Houston, TX (US);
NALCO Company, Naperville, IL (US);
Abstract
A composition and method demulsify a produced emulsion from anionic surfactants and polymer (SP) and alkali, surfactants, and polymer (ASP). The produced emulsion is demulsified into oil and water. In one embodiment, the composition includes a surfactant. The surfactant comprises a cationic surfactant, an amphoteric surfactant, or any combinations thereof.