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:
Jul. 06, 2021
Filed:
Nov. 09, 2018
Applicant:
Ecolab Usa Inc., St. Paul, MN (US);
Inventors:
Pradeep Cheruku, Bolingbrook, IL (US);
Suresh R. Sriram, Aurora, IL (US);
James Joseph Michels, Naperville, IL (US);
Assignee:
ECOLAB USA INC., St. Paul, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D 235/12 (2006.01); C07D 235/18 (2006.01); C07D 235/08 (2006.01); C07D 401/04 (2006.01); C23F 11/14 (2006.01);
U.S. Cl.
CPC ...
C07D 235/12 (2013.01); C07D 235/08 (2013.01); C07D 235/18 (2013.01); C07D 401/04 (2013.01); C23F 11/149 (2013.01);
Abstract
2-substituted benzimidazoles and methods of preparing the same are disclosed. The compositions may include a compound or salt thereof, an acid, and a polar aprotic solvent. The compositions may be used to inhibit corrosion of a metal surface in contact with an aqueous system, and provide enhanced protection against corrosion of metals in the aqueous system.