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:
Jun. 18, 2019
Filed:
Jun. 19, 2015
Applicant:
Ecolab Usa Inc., St. Paul, MN (US);
Inventors:
Peter E. Reed, Plainfield, IL (US);
William J. Andrews, Parker, CO (US);
Mingli Wei, Naperville, IL (US);
Xiaojin Harry Li, Palatine, IL (US);
Assignee:
Ecolab USA Inc., St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/588 (2006.01); E21B 43/16 (2006.01); C08F 222/38 (2006.01); C08F 220/56 (2006.01); C08L 33/26 (2006.01);
U.S. Cl.
CPC ...
C08F 222/38 (2013.01); C08F 220/56 (2013.01); C08L 33/26 (2013.01); C09K 8/588 (2013.01);
Abstract
Disclosed herein are water-soluble polymers comprising hydrolyzable cross-linked monomer units, and methods for recovering hydrocarbon fluids from a subterranean formation using the water-soluble polymers.