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. 05, 2013
Filed:
Aug. 06, 2012
Applicants:
Paul Daniel Berger, Sugar Land, TX (US);
Christie Huimin Berger, Sugar Land, TX (US);
Inventors:
Paul Daniel Berger, Sugar Land, TX (US);
Christie Huimin Berger, Sugar Land, TX (US);
Assignee:
Oil Chem Technologies, Inc., Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/584 (2006.01);
U.S. Cl.
CPC ...
Abstract
The process for making amphoteric surfactants derived from ether amine s is described. The ether amines may be derived from natural products such as animal, marine or vegetable oils or from petroleum derived raw materials. The application of these amphoteric surfactants to the recovery of residual oil by Enhanced Oil Recovery methods is disclosed.