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:
Nov. 11, 2025
Filed:
Jul. 21, 2021
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Sanyo Chemical Industries, Ltd., Kyoto, JP;
Kazuyo Saito, Osaka Fu, JP;
Yuichiro Tsubaki, Kyoto Fu, JP;
Tatsuji Aoyama, Kyoto Fu, JP;
Kengo Uchihashi, Kyoto Fu, JP;
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka, JP;
SANYO CHEMICAL INDUSTRIES, LTD., Kyoto, JP;
Abstract
An electrolytic capacitor includes a capacitor element, and a liquid component. The capacitor element includes an anode body having a dielectric layer at a surface of the anode body, and a conductive polymer component covering part of the dielectric layer. The liquid component contains a first solvent, a base component, and an acid component. The first solvent is at least one selected from the group consisting of a polyol and a derivative thereof. The base component contains a first base which has no boiling point or a boiling point of 100° C. or higher. A conjugate acid of the first base has an acid dissociation constant of 5 or more and 10 or less.