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. 16, 2004
Filed:
Apr. 08, 2002
Applicant:
Inventors:
Hubertus Biegert, Ulm, DE;
Peter Britz, Kirchheim, DE;
Arnold Lamm, Oberelchingen, DE;
Gabor Toth, Illertissen-Jedesheim, DE;
Peter Urban, Amberg, DE;
Assignee:
Ballard Power Systems, Inc., Burnaby, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 0/810 ;
U.S. Cl.
CPC ...
H01M 0/810 ;
Abstract
A fuel cell includes at least one cell that contains a proton-conducting polymer electrolyte membrane, which separates an anode compartment and a cathode compartment. The membrane is comprised of a thermoplastic polymer that has a permanent service temperature of at least 100° C.