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:
Apr. 20, 2021
Filed:
Oct. 17, 2016
Applicant:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Inventors:
Lynne Patricia Crawford, Cambridge, GB;
Evgeny Borisovich Barmatov, Cambridge, GB;
Trevor Lloyd Hughes, Cambridge, GB;
Man Yi Ho, Cambridge, GB;
Assignee:
SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23F 11/04 (2006.01); C09K 8/54 (2006.01); C07D 209/08 (2006.01); C07D 209/14 (2006.01); C07D 215/06 (2006.01); C07D 215/08 (2006.01); C07D 295/03 (2006.01);
U.S. Cl.
CPC ...
C23F 11/04 (2013.01); C07D 209/08 (2013.01); C07D 209/14 (2013.01); C07D 215/06 (2013.01); C07D 215/08 (2013.01); C07D 295/03 (2013.01); C09K 8/54 (2013.01);
Abstract
A corrosion inhibiting compound with a general structure A-B or A-X-B for inhibition of corrosion of steel in acidic solution. A comprises a heterocyclic ring system having a plurality of cyclic Carbon atoms and at least one cyclic Nitrogen atom, wherein the at least one cyclic Nitrogen atom is neutral under neutral conditions and protonatable under acidic conditions. B comprises at least two unsaturated Carbon atoms. B may comprise a ring system or a polymerisable group.