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:
Apr. 03, 1984
Filed:
Feb. 11, 1983
Applicant:
Inventors:
Joe C Wilson, Woodhaven, MI (US);
Stanley T Hirozawa, Birmingham, MI (US);
John J Conville, Canton, MI (US);
Assignee:
BASF Wyandotte Corporation, Wyandotte, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C23F / ; C23F / ; C02F / ;
U.S. Cl.
CPC ...
422 16 ; 210697 ; 210698 ; 252175 ; 252181 ; 2523 / ; 252396 ; 422 15 ; 422 18 ; 422 19 ;
Abstract
Compositions for inhibiting mineral scale and the corrosion of metals particularly the cavitation corrosion of aluminum in the presence of aqueous liquids are disclosed. The combination of a water-soluble phosphate with at least one of a water-soluble molybdate, tungstate, or selenate is disclosed as providing a synergistic protective effect against the cavitation corrosion of aluminum in aqueous liquids.