Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6187911 | Method for separating metal chelates from other materials based on solubilities in supercritical fluids | Chien M. Wai, Neil G. Smart | 2001-02-13 |
| 5606724 | Extracting metals directly from metal oxides | Chien M. Wai, Neil G. Smart | 1997-02-25 |