Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4328192 | Ammoniacal nickel leach of laterites | Francisco J. Corral | 1982-05-04 |
| 4322390 | Hydrometallurgical recovery of copper, cobalt nickel with reductive and oxidative leaching | William C. Laughlin | 1982-03-30 |
| 4312841 | Enhanced hydrometallurgical recovery of cobalt and nickel from laterites | Pieter D. Rademaker | 1982-01-26 |