Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5273823 | Shaped articles containing copolymers of polybenzazoles | Wen-Fang Hwang, William J. Harris, Thuan P. Dixit | 1993-12-28 |
| 5217809 | Shaped articles containing copolymers of polybenzazoles | Wen-Fang Hwang, William J. Harris, Thuan P. Dixit | 1993-06-08 |
| 4931121 | Process for forming a plastic article from a plurality of layers of thermoplastic material | James C. Pawloski | 1990-06-05 |
| 4873037 | Method for preparing an asymmetric semi-permeable membrane | C. C. Chau, Jang-hi Im, Lu H. Tung | 1989-10-10 |