Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4927609 | Recovery of gallium/rare earth values from oxide mixtures thereof | Alain Leveque | 1990-05-22 |
| 4404174 | Purification of solutions of gallium values by serial ion exchange-liquid/liquid extraction | Alain Leveque | 1983-09-13 |
| 4369166 | Purification of solutions of gallium values by liquid/liquid extraction | Alain Leveque | 1983-01-18 |