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:
Aug. 07, 2012
Filed:
Jan. 11, 2008
Meiten Koh, Settsu, JP;
Akiyoshi Yamauchi, Settsu, JP;
Rumi Takeuchi, Settsu, JP;
Michiru Tanaka, Settsu, JP;
Meiten Koh, Settsu, JP;
Akiyoshi Yamauchi, Settsu, JP;
Rumi Takeuchi, Settsu, JP;
Michiru Tanaka, Settsu, JP;
Daikin Industries, Ltd., Osaka, JP;
Abstract
The present invention provides an electrical double layer capacity comprising a non-aqueous electrolytic solution comprising (A) a solvent comprising a specific fluorine-containing cyclic carbonate and (B) an electrolyte salt comprising a cyclic quaternary onium salt comprising cyclic quaternary onium cation and PF, (CFSO)Nor (CFSO)N, and (C) a polarizable electrode, and having high withstanding voltage and assuring excellent solubility in a wide range of solvents for dissolving an electrolyte salt.