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:
Jan. 07, 2020
Filed:
Apr. 08, 2016
Applicant:
S.p.c.m. SA, Andrezieux Boutheon, FR;
Inventors:
Cédrick Favero, Saint Romain le Puy, FR;
Olivier Braun, Saint Bonnet les Oules, FR;
Thierry Leblanc, Saint Heand, FR;
Assignee:
S.P.C.M. SA, Andrezieux Boutheon, FR;
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/508 (2006.01); C08F 220/58 (2006.01); C08F 290/06 (2006.01); E21B 43/25 (2006.01);
U.S. Cl.
CPC ...
C09K 8/5083 (2013.01); C08F 220/58 (2013.01); C08F 290/062 (2013.01); C09K 8/508 (2013.01); E21B 43/25 (2013.01);
Abstract
A method for diverting an underground formation comprises injecting, into the underground formation, an aqueous solution containing at least one heat-sensitive copolymer of a) at least one water-soluble monomer having at least one unsaturated function capable of being polymerized to form a water-soluble backbone, and b) at least one macromonomer of formula (I)