Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4693825 | Method for the preparation of polybenzimidazole membranes | — | 1987-09-15 |
| 4598099 | Process for the production of polybenzimidazole foams | — | 1986-07-01 |
| 4460736 | Blend of sulfone polymer and wholly aromatic polyester | Michael Froix | 1984-07-17 |