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. 22, 2005
Filed:
Nov. 23, 2002
Applicants:
Yolanda Alvarez-gallego, Geesthacht, DE;
Suzana Pereira Nunes, Geesthacht, DE;
Kai Jakoby, Düsseldorf, DE;
Javier DE Abajo, Madrid, ES;
Inventors:
Yolanda Alvarez-Gallego, Geesthacht, DE;
Suzana Pereira Nunes, Geesthacht, DE;
Kai Jakoby, Düsseldorf, DE;
Javier de Abajo, Madrid, ES;
Assignee:
GKSS-Forschungszentrum Geesthacht, GmbH, Geesthacht, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M008/10 ;
U.S. Cl.
CPC ...
Abstract
An ion conductive membrane for electrochemical applications is provided for forming the membrane on the basis of a polyimide or copolyimide polymer, which contains in its structure heterocyclic groups, particularly in the form of imidazole-, pyridin or pyrimidin groups. The electrochemical applications include particularly the use of such membranes in fuel cells.