Issued Patents All Time
Showing 26–50 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8206874 | Polymer electrolytes including heteropolyacids | Matthew H. Frey, Michael A. Yandrasits, Gregory M. Haugen, Andrew M. Herring, James L. Horan +1 more | 2012-06-26 |
| 8137828 | Durable fuel cell membrane electrode assembly with combined additives | Daniel M. Pierpont, Matthew H. Frey | 2012-03-20 |
| 8110320 | Method of making durable polymer electrolyte membranes | — | 2012-02-07 |
| 8101317 | Durable fuel cell having polymer electrolyte membrane comprising manganese oxide | Matthew H. Frey, Gregory M. Haugen, Phat T. Pham | 2012-01-24 |
| 8092954 | Method of making a fuel cell polymer electrolyte membrane comprising manganese oxide | Matthew H. Frey, Gregory M. Haugen, Phat T. Pham | 2012-01-10 |
| 7847035 | Polymer electrolyte with aromatic sulfone crosslinking | Naiyong Jing, Michael A. Yandrasits | 2010-12-07 |
| 7838138 | Fuel cell electrolyte membrane with basic polymer | James M. Larson, Phat T. Pham, Matthew H. Frey, Gregory M. Haugen, William M. Lamanna | 2010-11-23 |
| 7803847 | Fuel cell membrane electrode assembly | Matthew H. Frey, Gregory M. Haugen, Phat T. Pham | 2010-09-28 |
| 7572534 | Fuel cell membrane electrode assembly | Matthew H. Frey, Gregory M. Haugen, Phat T. Pham | 2009-08-11 |
| 7517604 | Fuel cell electrolyte membrane with acidic polymer | James M. Larson, Phat T. Pham, Matthew H. Frey, Gregory M. Haugen, William M. Lamanna | 2009-04-14 |
| 7514481 | Polymer electrolytes crosslinked by e-beam | Michael A. Yandrasits, Naiyong Jing | 2009-04-07 |
| 7435498 | Polymer electrolyte membranes crosslinked by nitrile trimerization | Michael A. Yandrasits, Werner M. A. Grootaert, Miguel A. Guerra, Naiyong Jing | 2008-10-14 |
| 7348088 | Polymer electrolyte membrane | Linda M. Rivard, George Moore, Harold Todd Freemyer | 2008-03-25 |
| 7338692 | Microporous PVDF films | Samantha D. Smith, Gene H. Shipman, Robert M. Floyd, Harold Todd Freemyer, Michael A. Yandrasits +1 more | 2008-03-04 |
| 7304101 | Method of purifying a dispersion of ionic fluoropolymer | Klaus Hintzer, Kai H. Lochhaas, Tanja Zeif, Harold Todd Freemyer | 2007-12-04 |
| 7285349 | Polymer electrolyte membrane and method of making | Linda M. Rivard, Michael A. Yandrasits, Daniel M. Pierpont | 2007-10-23 |
| 7265162 | Bromine, chlorine or iodine functional polymer electrolytes crosslinked by e-beam | Michael A. Yandrasits, Klaus Hintzer, Arne Thaler, Tatsuo Fukushi, Naiyong Jing +1 more | 2007-09-04 |
| 7214740 | Fluorinated ionomers with reduced amounts of carbonyl end groups | Kai H. Lochhaas, Klaus Hintzer, Michael A. Yandrasits | 2007-05-08 |
| 7179847 | Polymer electrolytes crosslinked by e-beam | Michael A. Yandrasits, Naiyong Jing | 2007-02-20 |
| 7160928 | Acid functional fluoropolymer membranes and method of manufacture | Naiyong Jing, Shane Mao, L. Charles Hardy | 2007-01-09 |
| 7112614 | Crosslinked polymer | Naiyong Jing | 2006-09-26 |
| 7074841 | Polymer electrolyte membranes crosslinked by nitrile trimerization | Michael A. Yandrasits, Werner M. A. Grootaert, Miguel A. Guerra, Naiyong Jing | 2006-07-11 |
| 7071271 | Aqueous emulsion polymerization of functionalized fluoromonomers | Arne Thaler, Klaus Hintzer, Kai H. Lochhaas, Franz Maerz | 2006-07-04 |
| 7060756 | Polymer electrolyte with aromatic sulfone crosslinking | Naiyong Jing, Michael A. Yandrasits | 2006-06-13 |
| 7060738 | Polymer electrolytes crosslinked by ultraviolet radiation | Naiyong Jing, Michael A. Yandrasits | 2006-06-13 |