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:
Sep. 26, 2023
Filed:
May. 21, 2021
Applicant:
Kuraray Co., Ltd., Okayama, JP;
Inventors:
Ghebrehiwet Ghebremeskel, Houston, TX (US);
Takuma Kaneshima, Houston, TX (US);
Keisuke Morikawa, Houston, TX (US);
Amanda Reneau, Houston, TX (US);
Assignee:
Kuraray Co., Ltd., Okayama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/508 (2006.01); E21B 33/138 (2006.01);
U.S. Cl.
CPC ...
C09K 8/5083 (2013.01); C09K 8/5086 (2013.01); E21B 33/138 (2013.01);
Abstract
Disclosed are particulate compositions comprising particles of a blend of one or more polyvinyl alcohol polymers with one or more aliphatic polyester polymers, wherein such particulate compositions are useful, for example, as plugging agents for treatments applied to a subterranean formation traversed by the borehole of an oil or gas well.