Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8293806 | Proton-conducting membrane and the use of the same | Gordon Calundann, Oemer Uensal, Joachim Kiefer | 2012-10-23 |
| 8142917 | Proton-conducting polymer membrane comprising polyazole blends and its use in fuel cells | Oemer Uensal, Joachim Kiefer, Gordon Calundann, Brian Benicewicz, Eui Wong Choe | 2012-03-27 |
| 8076379 | Proton-conducting membrane and the use thereof | Gordon Calundann, Oemer Uensal, Joachim Kiefer | 2011-12-13 |
| 8013026 | Proton-conducting membrane and the use of the same | Gordon Calundann, Oemer Uensal, Joachim Kiefer | 2011-09-06 |
| 7745030 | Proton-conducting polymer membrane comprising sulfonic acid-containing polyazoles, and use thereof in fuel cells | Oemer Uensal, Joachim Kiefer, Gordon Calundann, Brian Benicewicz, Eui Wong Choe | 2010-06-29 |
| 7736778 | Proton conducting polymer membrane comprising phosphonic acid groups containing polyazoles and the use thereof in fuel cells | Oemer Uensal, Joachim Kiefer, Gordon Calundann, Brian Benicewicz, Eui Wong Choe | 2010-06-15 |
| 7736779 | Proton-conducting polymer membrane containing polyazole blends, and application thereof in fuel cells | Oemer Uensal, Joachim Kiefer, Gordon Calundann, Brian Benicewicz, Eui Wong Choe | 2010-06-15 |
| 7582210 | Proton-conducting membrane and use thereof | Gordon Calundann, Oemer Uensal, Joachim Kiefer | 2009-09-01 |
| 7540984 | Proton-conducting membrane and the use thereof | Gordon Calundann, Oemer Uensal, Joachim Kiefer | 2009-06-02 |
| 7384552 | Proton-conducting membrane and the use thereof | Gordon Calundann, Oemer Uensal, Joachim Kiefer | 2008-06-10 |
| 7235320 | Proton-conducting membrane and use thereof | Gordon Calundann, Oemer Uensal, Joachim Kiefer | 2007-06-26 |
| 6187231 | Process for producing polymeric films for use as fuel cells | Frank J. Onorato, Stuart M. French, Faruq Marikar | 2001-02-13 |
| 6042968 | Process for producing polybenzimidazole fabrics for use in fuel | Frank J. Onorato, Dai W. Kim, Stuart M. French, Faruq Marikar | 2000-03-28 |
| 5945233 | Process for producing polybenzimidazole pastes and gels for use in fuel cells | Frank J. Onorato, Stuart M. French, Faruq Marikar | 1999-08-31 |
| 5599639 | Acid-modified polybenzimidazole fuel cell elements | Frank J. Onorato, Naoya Ogata | 1997-02-04 |
| 5326661 | Photorefractive polymers containing discrete photoconductive and electrooptical units | Harris A. Goldberg, James L. McGinnis, Karsten Blatter, Ching F. Shu, Anthony J. East | 1994-07-05 |
| 5160627 | Process for making microporous membranes having gel-filled pores, and separations methods using such membranes | Edward L. Cussler, Gunilla E. Gillberg-LaForce, David K. Schisla | 1992-11-03 |
| 5084203 | Light transmissive liquid crystalline composite exhibiting a high Kerr effect | Mark S. Kwiatek | 1992-01-28 |
| 4997892 | Sulfalkylation of hydroxyethylated polybenzimidazole polymers | Balaram Gupta, Charles Forbes, Mark S. Kwiatek | 1991-03-05 |
| 4933397 | Preparation of N-substituted phenyl polybenzimidazole polymers | Mark S. Kwiatek | 1990-06-12 |
| 4898917 | N-substituted polybenzimidazole polymer | — | 1990-02-06 |
| 4868249 | Cyanoethylation of hydroxyethylated polybenzimidazole polymers | — | 1989-09-19 |
| 4826502 | Sulfonation of hydroxyethylated polybenzimidazole fibers | Frank J. Onorato, Harry S. Pulaski | 1989-05-02 |
| 4814400 | Polybenzimidazole ester and carboxylic acid | — | 1989-03-21 |
| 4814228 | Wet spun hydroxyethylated polybenzimidazole fibers | Frank J. Onorato, Arthur G. Schlask | 1989-03-21 |