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:
Feb. 26, 2013
Filed:
Jul. 20, 2010
Applicants:
Rene Pich, Saint-Etienne, FR;
Philippe Jeronimo, Montrond les Bains, FR;
Inventors:
Rene Pich, Saint-Etienne, FR;
Philippe Jeronimo, Montrond les Bains, FR;
Assignee:
S.P.C.M. SA, Andrezieux Boutheon, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 8/588 (2006.01); C09K 8/528 (2006.01); E21B 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Enhanced oil recovery method consisting in continuously dissolving, in the injection water, a stable invert emulsion of acrylamide (co)polymer containing at least one inverting agent, and a water soluble polymer, whereby: