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:
Mar. 21, 1989
Filed:
Aug. 01, 1983
Applicant:
Inventor:
Syamalarao Evani, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ; E21B / ; E21B / ;
U.S. Cl.
CPC ...
252-8554 ; 166270 ; 166275 ; 252-8514 ; 524375 ; 524376 ;
Abstract
An aqueous liquid medium having increased low shear viscosity and utility as a mobility control agent in enhanced oil recovery is provided by dispersing into the aqueous medium (1) a hydrophilic/hydrophobic polymer having hydrophobic groups, e.g., an acrylamide/dodecyl methacrylate copolymer, and (2) a water-dispersible surfactant, e.g., dodecyl polyethyleneoxy glycol monoether.
Evani, Syamalarao. (1989). Enhanced oil recovery process using a hydrophobic associative (U.S. Patent No. 4814096). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4814096
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile