Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842740 | Membranes prepared from blend of polybenzimidazole with polyarylates | Tai-Shung Chung, Paul N. Chen, Sr. | 1989-06-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842740 | Membranes prepared from blend of polybenzimidazole with polyarylates | Tai-Shung Chung, Paul N. Chen, Sr. | 1989-06-27 |