Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5188736 | Process for the separation and recovery of extractant from spent solvent | Ben-Li Pen, Dah-Ping Wang, Kuo-Hao Tsao | 1993-02-23 |
| 4352786 | Treatment of copper refinery anode slime | Bao-Dein Lee, Tieh Ma, Wen-Shou Chuang, Wei Wang | 1982-10-05 |
| 4293332 | Hydrometallurgical process for recovering precious metals from anode slime | Wei Wang, Wen-Shou Chuang, I-Sine Shaw | 1981-10-06 |