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:
Jun. 25, 2013
Filed:
Nov. 20, 2008
Applicants:
Kaveh Sotoudeh, Naperville, IL (US);
Michael A. Kamrath, Aurora, IL (US);
Jasbir S. Gill, Naperville, IL (US);
Inventors:
Kaveh Sotoudeh, Naperville, IL (US);
Michael A. Kamrath, Aurora, IL (US);
Jasbir S. Gill, Naperville, IL (US);
Assignee:
Nalco Company, Naperville, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C23F 11/00 (2006.01); C23F 11/04 (2006.01); C23F 11/06 (2006.01); C23F 11/10 (2006.01); C09K 15/18 (2006.01); C09K 15/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
Compositions and methods of using such compositions for reducing copper ion discharge from aqueous systems is disclosed and claimed. The composition includes a synergistic combination of at least two different benzotriazoles or salts thereof that effectively provides an erosion-resistant barrier on copper-containing surfaces of industrial systems.