Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7795372 | Polymer film based on polyazoles, and uses thereof | Joachim Kiefer, Gordon Calundann, Jochen Baurmeister, Frauke Jordt | 2010-09-14 |
| 7745030 | Proton-conducting polymer membrane comprising sulfonic acid-containing polyazoles, and use thereof in fuel cells | Joachim Kiefer, Gordon Calundann, Michael J. Sansone, Brian Benicewicz, Eui Wong Choe | 2010-06-29 |
| 7736779 | Proton-conducting polymer membrane containing polyazole blends, and application thereof in fuel cells | Joachim Kiefer, Gordon Calundann, Michael J. Sansone, Brian Benicewicz, Eui Wong Choe | 2010-06-15 |
| 7736778 | Proton conducting polymer membrane comprising phosphonic acid groups containing polyazoles and the use thereof in fuel cells | Joachim Kiefer, Gordon Calundann, Michael J. Sansone, Brian Benicewicz, Eui Wong Choe | 2010-06-15 |
| 7727651 | Proton-conducting polymer membrane comprising polymers containing phosphonic acid groups and its use in fuel cells | Joachim Kiefer, Gordon Calundann | 2010-06-01 |
| 7696302 | High-molecular-weight polyazoles | Gordon Calundann, Brian Benicewicz, Bobby G. Dawkins, J. Dean Baker, Rita H. Joiner | 2010-04-13 |
| 7661542 | Proton-conducting polymer membrane that contains polyazoles and is coated with a catalyst layer, and application therof in fuel cells | Jochen Baurmeister, Isabel Kundler, Christoph Padberg, Joachim Kiefer, Gordon Calundann +2 more | 2010-02-16 |
| 7625652 | Multilayer electrolyte membrane | Joachim Kiefer | 2009-12-01 |
| 7582210 | Proton-conducting membrane and use thereof | Gordon Calundann, Michael J. Sansone, Joachim Kiefer | 2009-09-01 |
| 7540984 | Proton-conducting membrane and the use thereof | Gordon Calundann, Michael J. Sansone, Joachim Kiefer | 2009-06-02 |
| 7485227 | Polyazole-based polymer films | Joachim Kiefer, Jochen Baurmeister, Frauke Jordt | 2009-02-03 |
| 7462223 | Method for producing a membrane from a crosslinked polymer blend, and corresponding fuel cell | Joachim Kiefer | 2008-12-09 |
| 7445864 | Functionalized polyazoles, method for the production thereof, and use thereof | Klaus Muellen, Markus Klapper, Vesselin Sinigersky, Weicheng Wu, Jochen Baurmeister | 2008-11-04 |
| 7384552 | Proton-conducting membrane and the use thereof | Gordon Calundann, Michael J. Sansone, Joachim Kiefer | 2008-06-10 |
| 7332530 | Proton-conducting polymer membrane comprising a polymer with sulphonic acid groups and use thereof in fuel cells | Joachim Kiefer, Gordon Calundann | 2008-02-19 |
| 7235320 | Proton-conducting membrane and use thereof | Gordon Calundann, Michael J. Sansone, Joachim Kiefer | 2007-06-26 |
| 7229553 | Method for producing a membrane made of bridged polymer and a fuel cell | Joachim Kiefer | 2007-06-12 |