Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10273340 | Porous polybenzimidazole resin and method of making same | John B. Hopkins, Jr., Gregory S. Copeland, Michael Gruender | 2019-04-30 |
| 9828479 | Porous polybenzimidazole resin and method of making same | John B. Hopkins, Jr., Gregory S. Copeland, Michael Gruender | 2017-11-28 |
| 7504475 | Process for a two stage melt polymerization for the production of polybenzimidazole | Bobby G. Dawkins, J. Dean Baker, Rita H. Joiner | 2009-03-17 |