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:
Apr. 19, 2022
Filed:
Feb. 08, 2017
Applicant:
Sanyo Chemical Industries, Ltd., Kyoto, JP;
Inventors:
Fumiyuki Tanabe, Kyoto, JP;
Takahiro Shiba, Kyoto, JP;
Yoshihiko Akazawa, Kyoto, JP;
Takao Mukai, Kyoto, JP;
Assignee:
SANYO CHEMICAL INDUSTRIES, LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 9/035 (2006.01); H01G 9/145 (2006.01);
U.S. Cl.
CPC ...
H01G 9/035 (2013.01); H01G 9/145 (2013.01);
Abstract
The purpose of the present invention is to provide an electrolyte solution for an electrolytic capacitor which has high withstand voltage. The electrolyte solution for an electrolytic capacitor that is used contains: an organic solvent; an acrylic polymer which has hydroxy group and/or carboxy group; and an electrolyte. A concentration of hydroxy groups included in the organic solvent is 10 mmol/g or less with respect to the weight of the organic solvent.