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. 14, 2021
Filed:
Jun. 02, 2016
Applicant:
Rhodia Operations, Paris, FR;
Inventors:
Arnaud Cadix, Saint-Ouen, FR;
David James Wilson, Coye la Forêt, FR;
Assignee:
RHODIA OPERATIONS, Aubervilliers, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/487 (2006.01); C04B 24/16 (2006.01); C04B 28/04 (2006.01); C09K 8/035 (2006.01); C09K 8/467 (2006.01); C09K 8/88 (2006.01); C08F 293/00 (2006.01); C09K 8/68 (2006.01); C08F 2/38 (2006.01); C09K 8/40 (2006.01); C04B 103/00 (2006.01); C04B 103/40 (2006.01); C04B 103/46 (2006.01);
U.S. Cl.
CPC ...
C09K 8/487 (2013.01); C04B 24/163 (2013.01); C04B 28/04 (2013.01); C08F 2/38 (2013.01); C08F 293/00 (2013.01); C08F 293/005 (2013.01); C09K 8/035 (2013.01); C09K 8/40 (2013.01); C09K 8/467 (2013.01); C09K 8/68 (2013.01); C09K 8/88 (2013.01); C04B 2103/0061 (2013.01); C04B 2103/408 (2013.01); C04B 2103/46 (2013.01);
Abstract
The present invention relates to the use of amphiphilic sequenced copolymers as an agent for controlling the filtrate in a fluid (F) injected under pressure into an underground formation, comprising—at least one chain (C) soluble in the fluid (F); and—at least one block (B) that is insoluble in the fluid (F).