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. 09, 2010
Filed:
Nov. 22, 2005
Tomoaki Arimura, Ome, JP;
Tomoaki Arimura, Ome, JP;
Kabuhsiki Kaisha Toshiba, Tokyo, JP;
Abstract
A fuel cell comprises a single cell including a membrane assembly electrode unit comprising a fuel electrode to which an aqueous methanol solution is supplied as a fuel, an air electrode to which an oxidizing gas is supplied, and an electrolyte membrane interposed between the electrodes, a fuel separator and an oxidizing gas separator disposed at both sides of the membrane assembly electrode unit, and seal members respectively disposed between the membrane assembly electrode unit and the fuel separator and between the membrane assembly electrode unit and the oxidizing gas separator. The seal member includes a specific copolymer of a monomer containing a metal element.