Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4601805 | Apparatus for preparing metal by electrolysis | Claude Scheidt | 1986-07-22 |
| 4557908 | Process for the treatment of a purge solution particularly intended for a process for the extraction of zinc by electrolysis | Michel Laveyne | 1985-12-10 |
| 4548793 | Electrochemical elimination of nickel from lead containing chloride solutions | Didier Beutier, Hugues Bruvier | 1985-10-22 |
| 4507182 | Process for preparing metal by electrolysis, especially lead, and by-product obtained by their application | Claude Scheidt | 1985-03-26 |
| 4446026 | Process and solvent for extraction of the chromates present in an aqueous solution | Didier Beutier, Gilles Pasquier, March Dietrich | 1984-05-01 |