Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8298375 | Friction papers comprising PIPD fiber | Achim Amma | 2012-10-30 |
| 8137506 | Paper comprising PIPD pulp and process for making same | Achim Amma, Mikhail R. Levit, Kevin A. Mulcahy | 2012-03-20 |
| 7686920 | Fibrillated polypyridobisimidazole floc | Mikhail R. Levit, Achim Amma | 2010-03-30 |
| 7455750 | Meta- and para-aramid pulp and processes of making same | Jill A. Conley, Lenard Oscar Lundblad | 2008-11-25 |