Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4891193 | Process for the separation of molybdenum by a resin route | Yves Le Quesne | 1990-01-02 |
| 4640710 | Process for recovering silver from sulfate solutions | Jean-Jacques Predali | 1987-02-03 |
| 4568525 | Method for the selective dissolution of lead from mixed minerals containing zinc | — | 1986-02-04 |
| 4548793 | Electrochemical elimination of nickel from lead containing chloride solutions | Hugues Bruvier, Claude Palvadeau | 1985-10-22 |
| 4446026 | Process and solvent for extraction of the chromates present in an aqueous solution | Claude Palvadeau, Gilles Pasquier, March Dietrich | 1984-05-01 |