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. 05, 2019
Filed:
Feb. 14, 2013
Applicant:
Panasonic Corporation, Osaka, JP;
Inventors:
Yasuyuki Ito, Osaka, JP;
Hiroyuki Yanagisawa, Shiga, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01G 11/58 (2013.01); H01G 11/60 (2013.01); H01G 11/62 (2013.01);
U.S. Cl.
CPC ...
H01G 11/60 (2013.01); H01G 11/58 (2013.01); H01G 11/62 (2013.01); Y02E 60/13 (2013.01);
Abstract
An electrolytic solution for electric double layer capacitors includes an organic solvent and quaternary ammonium salt dissolved in the organic solvent. The organic solvent consists of sulfolane and chain sulfone. The quaternary ammonium salt is at least one of diethyl dimethyl ammonium salt and ethyl trimethyl ammonium salt.