Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5854374 | Phosphonium borohydride compound and process for producing polycarbonate using said compound | Chun-Shan Wang | 1998-12-29 |
| 4847428 | Purification of halogenated aromatic compounds | — | 1989-07-11 |