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. 28, 2023
Filed:
Nov. 13, 2019
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Daisuke Kubo, Osaka, JP;
Doyu Hachisu, Yamaguchi, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 9/10 (2006.01); H01G 9/028 (2006.01); C08L 23/22 (2006.01);
U.S. Cl.
CPC ...
H01G 9/10 (2013.01); C08L 23/22 (2013.01); H01G 9/028 (2013.01); C08K 2201/005 (2013.01);
Abstract
An electrolytic capacitor includes a capacitor element, a case, and a sealing member. The case has an opening and houses the capacitor element. The sealing member seals the opening. The sealing member includes an elastic member that is fit in the opening. The elastic member includes a polymer component and a particle component. The polymer component includes at least butyl rubber. The particle component includes at least particles of kaolin. An average particle size of the particles of kaolin is less than or equal to 4 μm.