Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4338168 | Hydrometallurgical treatment of copper-bearing hematite residue | Robert W. Stanley, Serge Monette | 1982-07-06 |
| 4330508 | Removal of selenium (IV) and (VI) from acidic copper sulphate solutions | Donald R. Weir, Hugh C. Scheie | 1982-05-18 |