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:
Nov. 03, 1981
Filed:
Aug. 14, 1980
Applicant:
Inventors:
Werner Gerhardt, Hilden, DE;
Volker Wehle, Hilden, DE;
Andreas Syldatk, Dusseldorf, DE;
Gabriele Rogall, Neukirchen-Vluyn, DE;
Jurgen Reiffert, Oberhausen, DE;
Jens Conrad, Hilden, DE;
Assignee:
Henkel Kommanditgesellschaft auf Aktien, Dusseldorf-Holthausen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C23F / ; C23F / ; C23F / ; C23F / ;
U.S. Cl.
CPC ...
422 16 ; 2523 / ; 2523 / ; 252390 ; 252392 ; 422 13 ; 422 15 ; 422 17 ; 422 19 ;
Abstract
A method for inhibiting corrosion of nonferrous metals in contact with circulating water comprising the steps of adding to circulating water in contact with non-ferrrous metals from 0.05 to 10 gm/m.sup.3 of at least one 3-amino-5-alkyl-1,2,4-triazole wherein said alkyl has from 2 to 8 carbon atoms and adjusting said water to a pH of from 6 to 10; as well as corrosion inhibiting compositions containing said 3-amino-5-alkyl-1,2,4-triazole.