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:
Mar. 20, 1984

Filed:

Aug. 31, 1983
Applicant:
Inventor:

Walter J Bernard, Williamstown, MA (US);

Assignee:

Sprague Electric Company, North Adams, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25C / ; C25C / ; C25C / ;
U.S. Cl.
CPC ...
204 / ; 204 / ; 204 42 ; 204 58 ;
Abstract

Aluminum electrolytic capacitor foil is stabilized by passing the foil from an anodization step through a bath containing an aqueous borate solution at a temperature of at least 80.degree. C. and a pH of 8.5 to 9.5. After stabilization, the foil is reanodized.


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Bernard, Walter. (1984). Stabilization of aluminum electrolytic capacitor foil (U.S. Patent No. 4437946). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4437946

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

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