Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874429 | Hydrometallurgical process for the recovery of silver from copper electrolysis anode sludge | — | 1989-10-17 |
| 4770700 | Hydrometallurgical process for the separation and enrichment of gold, platinum, and palladium, together with recovery of selenium from the anode sludge of copper electrolysis | Jorg Wallner, Helmut Worz | 1988-09-13 |
| 4666514 | Hydrometallurgical process for recovering silver from copper-electrolysis anode sludge | — | 1987-05-19 |