Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5122289 | Collector composition for use in a froth flotation process for the recovery of minerals | James M. W. Mackenzie | 1992-06-16 |
| 4908125 | Froth flotation process for the recovery of minerals and a collector composition for use therein | James M. W. Mackenzie | 1990-03-13 |