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:
May. 26, 2020
Filed:
Oct. 04, 2017
Applicant:
Dow Global Technologies Llc, Midland, MI (US);
Inventors:
Adam L. Grzesiak, Midland, MI (US);
Robert M. Campbell, Midland, MI (US);
Jacob M. Crosthwaite, Midland, MI (US);
Amit Katiyar, Sugar Land, TX (US);
Troy E. Knight, Missouri City, TX (US);
Pramod D. Patil, Sugar Land, TX (US);
Assignee:
Dow Global Technologies LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/584 (2006.01); C09K 8/594 (2006.01); E21B 43/16 (2006.01); E21B 43/22 (2006.01);
U.S. Cl.
CPC ...
C09K 8/584 (2013.01); C09K 8/594 (2013.01); E21B 43/164 (2013.01);
Abstract
The present invention provides for a method of using a mixture of two or more nonionic surfactants for enhanced oil recovery and for an emulsion that includes carbon dioxide, a diluent and a mixture of two or more nonionic surfactants, where each nonionic surfactant is prepared with a double metal cyanide catalyst.