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:
Jan. 25, 1983
Filed:
Mar. 24, 1980
Applicant:
Inventor:
Billy D Oakes, Lake Jackson, TX (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23F / ; C23G / ;
U.S. Cl.
CPC ...
252391 ; 252148 ; 252151 ; 252395 ;
Abstract
The corrosion of aluminum in the presence of aqueous mineral acid solutions containing conventional nitrogen base ferrous metal corrosion inhibitors is markedly reduced by incorporating an alkyl, aryl or alkylaryl sulfonate or sulfate surface active agent as an additional corrosion inhibiting agent.