| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 4 | |
| #2 | China | 3 | |
| #3 | EPO (European Patent Office) | 3 | |
| #4 | Canada | 1 | |
| #5 | Mexico | 1 | |
| #6 | Peru | 1 | |
| #7 | United States | 1 |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cossali Silvano | 11 |
| #2 | Maccagni Massimo | 11 |
| #3 | Olper Marco | 11 |
| #4 | Pizzocri Guido | 1 |
| #5 | Massimo Maccagni | 1 |
| #6 | Silvano Cossali | 1 |
| #7 | Guido Pizzocri | 1 |
| #8 | Marco Olper | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP2215277A2 | Process for producing metallic lead starting from desulfurized pastel | |
| US2007274902A1 | Process for the recovery of elemental sulphur from residues produced in hydrometallurgical processes | |
| EP1619261A1 | Desulfurization process of pastel and grids of lead accumulators |