Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4383979 | Process for the recovery of zinc, copper and cadmium in the leaching of zinc calcine | Jussi K. Rastas, Lars-Goran Bjorkqvist, Simo S. Liukkonen | 1983-05-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4383979 | Process for the recovery of zinc, copper and cadmium in the leaching of zinc calcine | Jussi K. Rastas, Lars-Goran Bjorkqvist, Simo S. Liukkonen | 1983-05-17 |