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:
Apr. 19, 2005
Filed:
Dec. 13, 2001
Applicants:
Kazuo Saito, Tokyo, JP;
Atsushi Hagiwara, Tokyo, JP;
Inventors:
Kazuo Saito, Tokyo, JP;
Atsushi Hagiwara, Tokyo, JP;
Assignee:
Nisshinbo Industries, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M008/02 ;
U.S. Cl.
CPC ...
Abstract
A separator for fuel cell, formed using a base material obtained from a composition comprising at least a binder, a powdery carbon filler having an average particle diameter of 10 nm to 100 μm, and a short fiber having an average fiber length of 0.03 to 6 mm, in which composition the amount ratio of the above three components is such that the amount of the powdery carbon filler is 200 to 800 parts by weight and the amount of the short fiber is 10 to 300 parts by weight, both per 100 parts by weight of the binder.