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:
Jul. 27, 2022
Applicant:
Saudi Arabian Oil Company, Dhahran, SA;
Inventors:
Assignee:
Saudi Arabian Oil Company, Dhahran, SA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/588 (2006.01); C08G 65/331 (2006.01); C08L 33/26 (2006.01); C08L 71/02 (2006.01); C08F 220/56 (2006.01);
U.S. Cl.
CPC ...
C09K 8/588 (2013.01); C08F 220/56 (2013.01); C08G 65/3315 (2013.01); C08L 33/26 (2013.01); C08L 71/02 (2013.01);
Abstract
This disclosure relates to water-soluble viscosity reducer complexes for use in reducing the viscosity of heavy oil in oil recovery operations. The viscosity reducer complexes contain a hydrophilic component of polyaromatic-hydrocarbon-based polymers and a hydrophilic component of cyclodextrin-based polymers.