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:
Dec. 20, 1977
Filed:
Feb. 09, 1976
Applicant:
Inventor:
John K Howell, Jr, Rochester, MI (US);
Assignee:
Oxy Metal Industries Corporation, Warren, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
148-627 ; 148 / ; 106 14 ;
Abstract
Disclosed are an improved composition and process for the treatment of aluminum surfaces for the purpose of imparting corrosion resistance and improved receptivity of an organic finish. A lithium compound is added to an aqueous tannin composition to obtain this effect.