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:
Jan. 23, 1990
Filed:
Feb. 08, 1989
Applicant:
Inventors:
Masanori Endo, Kyoto, JP;
Kouichi Watanabe, Kyoto, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G / ;
U.S. Cl.
CPC ...
361502 ;
Abstract
An electric double layer capacitor utilizing an electric double layer which is formed at the interface between activated carbon electrodes and electrolyte included in polarizable electrodes, wherein the activated carbon electrodes are formed of polyacrylonitrile based activated carbon whose nitrogen content is not more than 7 wt %.