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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.:

US 10593488 B1

PDFFull Text
Date of Patent:
Mar. 17, 2020

Filed:

Dec. 11, 2014

Nonaqueous electrolytic solution for electric double layer capacitors

Applicant:

Otsuka Chemical Co., Ltd., Osaka, JP;

Inventors:

Yoshihisa Tokumaru, Tokushima, JP;

Yoshihiro Okada, Tokushima, JP;

Taiji Nakagawa, Tokushima, JP;

Shoji Hiketa, Tokushima, JP;

Koichi Sorajo, Tokushima, JP;

Assignee:

OTSUKA CHEMICAL CO., LTD., Osaka, JP;

Attorney:

Wenderoth, Lind & Ponack, L.L.P.

Primary Examiner:

C Melissa Koslow

Int. Cl.
CPC ...
H01G 11/62 (2013.01); H01G 11/60 (2013.01); C07C 211/62 (2006.01); C01B 25/455 (2006.01); C01D 7/00 (2006.01); C01D 13/00 (2006.01); C01G 28/00 (2006.01); C01G 30/00 (2006.01);
U.S. Cl.
CPC ...
H01G 11/62 (2013.01); C07C 211/62 (2013.01); H01G 11/60 (2013.01); C01B 25/455 (2013.01); C01D 7/00 (2013.01); C01D 13/00 (2013.01); C01G 28/007 (2013.01); C01G 30/006 (2013.01); Y02E 60/13 (2013.01);
Abstract

The present invention provides a nonaqueous electrolytic solution that provides an electric double layer capacitor having excellent durability. The nonaqueous electrolytic solution of the present invention is a nonaqueous electrolytic solution for electric double layer capacitors prepared by dissolving a quaternary ammonium salt as an electrolyte in a nonaqueous solvent, and the nonaqueous electrolytic solution has an alkali metal cation concentration of 0.1 to 30 ppm.

Find Patent Forward Citations

Tokumaru, Yoshihisa. (2020). Nonaqueous electrolytic solution for electric double layer capacitors (U.S. Patent No. 10593488). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10593488

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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