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.

Date of Patent:
Oct. 18, 1977

Filed:

Feb. 09, 1976
Applicant:
Inventors:

Peter F King, Farmington, MI (US);

Gary A Reghi, Sterling Heights, MI (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
148-627 ; 106 14 ;
Abstract

Disclosed are a composition and process useful for the treatment of an aluminum surface comprising contacting the surface with an aqueous solution containing at least 0.000025 weight percent of a vegetable tannin, which solution exhibits a pH of at least 3. Best results can be obtained via a two-stage tanin treatment in which the treating solution of the first stage also contains titanium and fluoride in dissolved form.


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King, Peter. (1977). Tannin treatment of aluminum (U.S. Patent No. 4054466). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4054466

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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