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:
Jun. 21, 2011
Filed:
Sep. 27, 2006
Applicants:
Youichi Nanba, Minato-ku, JP;
Takashi Mori, Minato-ku, JP;
Susumu Nakazaki, Minato-ku, JP;
Inventors:
Assignee:
Showa Denko K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 31/08 (2006.01); C01B 31/00 (2006.01); C01B 31/02 (2006.01); B01J 20/26 (2006.01); H01G 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An activated carbon having the highest peak D within the range of 1.0 nm to 1.5 nm, in which the peak D is from 0.012 to 0.050 cm/g and is from 2% to 32% to a total pore volume, in pore size distribution as calculated by BJH method from N-adsorption isotherm at 77.4 K. An electric double layer capacitor comprising the polarizable electrode which comprises the activated carbon, carbon fiber, carbon black, and binder.