Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5071475 | Process for preparing metallic mercury from calomel | Guy Barreau | 1991-12-10 |
| 4437965 | Reinforced lead anode for the electrolytic production of zinc from sulphate solution and process for the preparation thereof | Noel Dreulle, Alain Van Ceulen | 1984-03-20 |