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:
May. 13, 1980
Filed:
Mar. 12, 1979
Applicant:
Inventors:
Richard G Newell, Woodbury, MN (US);
Dale C Perry, Welch, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
C25D / ; C23F / ;
U.S. Cl.
CPC ...
148-617 ; 148-627 ; 148 315 ; 204 / ; 2523 / ; 252391 ; 260944 ; 26050121 ; 2605025 ; 106 1412 ; 252 785 ;
Abstract
The surfaces of articles made of aluminum, such as annodized aluminum and bare aluminum, are treated with N-alkyl-fluoroaliphaticsulfonamidophosphonic acids or salts thereof to impart corrosion resistance to said surfaces.