Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9598541 | Method of making polybenzimidazole | Brian Benicewicz, Alexander Lanier Gulledge, Warren P. Steckle, Jr., Gregory S. Copeland | 2017-03-21 |
| 9447242 | Polybenzimidazole solution in an ionic liquid | Barrie L. Davies, Gregory S. Copeland, William L. Lawson, III | 2016-09-20 |
| 9156983 | Polybenzimidazole-polyetherketoneketone blends and miscible blends | Michael Gruender, Gregory S. Copeland, Tim Hsu | 2015-10-13 |
| 8802789 | Polybenzimidazole-polyetherketoneketone blends and miscible blends | Michael Gruender, Gregory S. Copeland, Tim Hsu | 2014-08-12 |
| 8420732 | Polybenzimidazole solution in an ionic liquid | Barrie L. Davies, Gregory S. Copeland, William L. Lawson, III | 2013-04-16 |
| 8309662 | Polybenzimidazole-polyetherketoneketone blends and miscible blends | Michael Gruender, Gregory S. Copeland, Tim Hsu | 2012-11-13 |
| 7915351 | Polybenzimidazole-polyetherketoneketone blends and miscible blends | Michael Gruender, Gregory S. Copeland, Tim Hsu | 2011-03-29 |
| 7837763 | High-molecular-weight polyazoles used as proton conducting membranes | Gordon Calundann, Oemer Uensal, Brian Benicewicz, J. Dean Baker, Rita H. Joiner | 2010-11-23 |
| 7834130 | Process for the production of polybenzimidazole from a tetraminobiphenyl and an isophthalic acid | J. Dean Baker | 2010-11-16 |
| 7696302 | High-molecular-weight polyazoles | Gordon Calundann, Oemer Uensal, Brian Benicewicz, J. Dean Baker, Rita H. Joiner | 2010-04-13 |
| 7629420 | Tri-blend resin of PBI, PAEK, and PEI | Michael Gruender, Gregory S. Copeland, Jerry Zucker | 2009-12-08 |
| 7504475 | Process for a two stage melt polymerization for the production of polybenzimidazole | J. Dean Baker, Rita H. Joiner, Karin M. Hudson | 2009-03-17 |
| 7060782 | Process for a two stage melt polymerization for the production of polybenzimidazole having an improved solid state polymerization | J. Dean Baker, Rita H. Joiner | 2006-06-13 |
| 7038007 | Process for a continuous polymerization for the production of high molecular weight polybenzimidazole | J. Dean Baker, Rita H. Joiner | 2006-05-02 |