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:
Aug. 03, 2021
Filed:
Aug. 22, 2017
Applicants:
Inpex Corporation, Tokyo, JP;
Japan Oil, Gas and Metals National Corporation, Tokyo, JP;
Inventor:
Yasuyoshi Tomoe, Yokohama, JP;
Assignees:
INPEX CORPORATION, Tokyo, JP;
Japan Oil, Gas and Metals National Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/10 (2006.01); C23F 11/10 (2006.01); F16L 58/04 (2006.01); C09K 8/54 (2006.01);
U.S. Cl.
CPC ...
C23F 11/10 (2013.01); C09K 8/54 (2013.01); E21B 17/1007 (2013.01); F16L 58/04 (2013.01);
Abstract
This corrosion inhibitor can satisfactorily prevent corrosion of the inner surface of a well or pipeline, and contains an inhibitor (A) having a hydrophobic group and a polar group capable of donating an electron pair to a metal surface, an aromatic solvent (B), and hydrophobic nanoparticles (C).