Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628817 | Method for leaching nickel-copper matte employing substantially neutral leaching solutions | Sigmund Fugleberg, Stig-Erik Hultholm | 1997-05-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628817 | Method for leaching nickel-copper matte employing substantially neutral leaching solutions | Sigmund Fugleberg, Stig-Erik Hultholm | 1997-05-13 |