Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8409421 | Process for producing metallic lead starting from desulfurized pastel | Marco Olper, Massimo Maccagni | 2013-04-02 |
| 7604785 | Process for the recovery of elemental sulphur from residues produced in hydrometallurgical processes | Marco Olper, Massimo Maccagni | 2009-10-20 |
| 7498012 | Desulfurization process of pastel and grids of lead accumulators | Marco Olper, Massimo Maccagni | 2009-03-03 |
| 5879830 | Process for regenerating sodium sulphide from the sodium sulphate which forms in treating lead paste from exhausted batteries | Marco Olper, Massimo Maccagni | 1999-03-09 |