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. 14, 2021
Filed:
Apr. 05, 2019
Applicant:
King Fahd University of Petroleum and Minerals, Dhahran, SA;
Inventors:
Ime Bassey Obot, Dhahran, SA;
Benedict Ikenna Onyeachu, Dhahran, SA;
Mumtaz Ahmad Quraishi, Dhahran, SA;
Assignee:
King Fahd University of Petroleum and Minerals, Dhahran, SA;
Primary Examiner:
Int. Cl.
CPC ...
C23F 11/16 (2006.01); C07D 487/04 (2006.01);
U.S. Cl.
CPC ...
C23F 11/162 (2013.01); C07D 487/04 (2013.01);
Abstract
Heterocyclic compounds having fused pyrimidine moieties with electron-donating groups. A method of preparing the heterocyclic compounds via a multicomponent condensation reaction is specified. These compounds are effective against corrosion of metallic substrates in acidic (i.e. CO), and high salinity environments commonly found in oil and gas industry.