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. 30, 1999
Filed:
Jul. 08, 1997
Applicant:
Inventors:
Takeshi Kawasato, Yokohama, JP;
Kazuya Hiratsuka, Yokohama, JP;
Takeshi Morimoto, Yokohama, JP;
Manabu Tsushima, Yokohama, JP;
Manabu Suhara, Yokohama, JP;
Assignee:
Asahi Glass Company Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M / ; H01M / ;
U.S. Cl.
CPC ...
429329 ; 429341 ; 429342 ; 429343 ; 4292314 ; 429203 ; 296231 ; 204242 ;
Abstract
An organic electrolyte cell comprising an organic electrolyte and an anode and/or a cathode of a carbonaceous material of a heat-treated material of an aromatic condensation polymer having a specific surface area of at least 1,500 m.sup.2 /g measured by BET method, wherein a solvent in the electrolyte is a mixed solvent containing a chain-like carbonate of the formula R.sup.1 OC(.dbd.O)OR.sup.2 (wherein R.sup.1 and R.sup.2 are monovalent organic groups which may be the same or different) and sulfolane or its derivative.