Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4724129 | Method of recovering gallium from very basic solutions by liquid/liquid extraction | Alain Leveque | 1988-02-09 |
| 4372923 | Purification of solutions of gallium values by liquid/liquid extraction | Alain Leveque | 1983-02-08 |
| 4285921 | 6107845x | Armand Mamourian, Francois Bousquet | 1981-08-25 |
| 4255394 | Process for the separating of rare earths | Alain Leveque | 1981-03-10 |
| 4241029 | Liquid/liquid extraction of gallium values from basic aqueous solutions thereof | Alain Leveque | 1980-12-23 |