Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12286686 | Co-processing of copper sulphide concentrate with nickel laterite ore | Jan Tjeerd Smit, Michael J. Collins, Alain Tshilombo, Nigel Edwin Tuffrey | 2025-04-29 |
| 11584975 | Integrated pressure oxidative leach of copper sulphidic feed with copper heap leach | Jan Tjeerd Smit, Aysan Molaei | 2023-02-21 |
| 11118244 | Low acidity, low solids pressure oxidative leaching of sulphidic feeds | Jan Tjeerd Smit | 2021-09-14 |
| 10544482 | Recovery of copper from arsenic-containing process feed | Kelvin Richard Buban, Michael J. Collins | 2020-01-28 |
| 8147781 | Recovering metal values from a metalliferrous material | Michael J. Collins, Eugene William Yuzda | 2012-04-03 |