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:
Feb. 16, 2010
Filed:
Nov. 30, 2006
Luca Toia, Carnago VA, IT;
Marco Amiotti, Cornaredo MI, IT;
Luca Toia, Carnago VA, IT;
Marco Amiotti, Cornaredo MI, IT;
Saes Getters S.p.A., Lainate MI, IT;
Abstract
Electrolytic capacitors are provided having an airtight housing, electrodes immersed in an electrolytic solution, electrical contacts connected to the electrodes, and a device for sorption of harmful substances. The device is made of a multilayer polymeric sheet (), which is formed of an inner layer () of polymeric material, containing particles of one or more getter materials () for sorption of the harmful substances, and at least one protective layer () of a polymeric material impermeable to the electrolyte. All of the polymeric materials are permeable to the harmful substances.