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:
Sep. 13, 2005
Filed:
Mar. 23, 2001
Applicants:
Thomas Ebel, Milan, IT;
Frank Stippich, Neckargemünd, DE;
Jürgen Behm, Ulm, DE;
Olaf Magnussen, Altenholz, DE;
Stefan Lauterborn, Senden, DE;
Inventors:
Thomas Ebel, Milan, IT;
Frank Stippich, Neckargemünd, DE;
Jürgen Behm, Ulm, DE;
Olaf Magnussen, Altenholz, DE;
Stefan Lauterborn, Senden, DE;
Assignee:
Epcos AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G009/022 ;
U.S. Cl.
CPC ...
Abstract
An electrolyte for use with an aluminum electrolyte capacitor includes a glycol/boric acid/borate compound, traces of water, and an inhibitor to suppress corrosion of an aluminum oxide coating of the capacitor. The inhibitor contains a weak organic acid and at least one acid group selected from among carboxylic acid, sulfonic acid, phosphonic acid, and an acidic derivative of carboxylic acid, sulfonic acid, and phosphonic acid.