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:
May. 16, 2023
Filed:
Oct. 11, 2018
Applicant:
Energy Solutions (Us) Llc, Princeton, NJ (US);
Inventors:
Zhenxing Cheng, Shanghai, CN;
Zhihua Zhang, Singapore, SG;
Man Chen, Shanghai, CN;
Chee Fei Chin, Singapore, SG;
David James Wilson, Coye la Foret, FR;
Assignee:
ENERGY SOLUTIONS (US) LLC, Princeton, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/88 (2006.01); C09K 8/588 (2006.01);
U.S. Cl.
CPC ...
C09K 8/887 (2013.01); C09K 8/588 (2013.01); C09K 2208/28 (2013.01);
Abstract
A polymer dispersion may include a water soluble copolymer, a water soluble salt, a polyol, and water. A method of preparing a polymer dispersion may include controlled radical polymerization. A method of using the polymer dispersion as a friction reducer in oil field processes.