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. 16, 2010
Filed:
Jun. 30, 2004
Tetsuo Nishida, Izumiotsu, JP;
Yasutaka Tashiro, Izumiotsu, JP;
Megumi Tomisaki, Izumiotsu, JP;
Masashi Yamamoto, Izumiotsu, JP;
Kazutaka Hirano, Izumiotsu, JP;
Akihiro Nabeshima, Tokushima, JP;
Hiroaki Tokuda, Tokushima, JP;
Kenji Sato, Saitama, JP;
Takashi Higono, Utsunomiya, JP;
Tetsuo Nishida, Izumiotsu, JP;
Yasutaka Tashiro, Izumiotsu, JP;
Megumi Tomisaki, Izumiotsu, JP;
Masashi Yamamoto, Izumiotsu, JP;
Kazutaka Hirano, Izumiotsu, JP;
Akihiro Nabeshima, Tokushima, JP;
Hiroaki Tokuda, Tokushima, JP;
Kenji Sato, Saitama, JP;
Takashi Higono, Utsunomiya, JP;
Otsuka Chemical Co., Ltd., Osaka, JP;
Stella Chemifa Corporation, Osaka, JP;
Abstract
A quaternary ammonium salt of the formula (1), electrolytic solution and electrochemical device using the salt wherein Ris straight-chain or branched alkyl having 1 to 4 carbon atoms, Ris methyl or ethyl, and Xis a fluorine-containing anion.