Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5101063 | Preparation of urethanes by carbonylation | Puh Shieh, Jih-Liang Chen, Tsu-Kung Chuang | 1992-03-31 |
| 5008435 | Preparation of urethanes | Puh Shieh, Y. S. Chao, Tsu-Kung Chuang | 1991-04-16 |