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:
Mar. 22, 2005
Filed:
Oct. 15, 2002
Tomoki Nobuta, Miyagi, JP;
Toshihiko Nishiyama, Miyagi, JP;
Hiroyuki Kamisuki, Miyagi, JP;
Gaku Harada, Tokyo, JP;
Masato Kurosaki, Tokyo, JP;
Yuji Nakagawa, Tokyo, JP;
Shinako Kaneko, Miyagi, JP;
Masaya Mitani, Miyagi, JP;
Tomoki Nobuta, Miyagi, JP;
Toshihiko Nishiyama, Miyagi, JP;
Hiroyuki Kamisuki, Miyagi, JP;
Gaku Harada, Tokyo, JP;
Masato Kurosaki, Tokyo, JP;
Yuji Nakagawa, Tokyo, JP;
Shinako Kaneko, Miyagi, JP;
Masaya Mitani, Miyagi, JP;
NEC Tokin Corporation, Miyagi, JP;
Abstract
The present invention relates to an electrolytic solution comprising an aqueous solution of an organic or inorganic acid whereto a water-soluble N-containing heterocyclic compound is added, and an electrochemical cell such as a secondary battery and an electric double layer capacitor that uses such an electrolytic solution.