Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8883097 | Sulfidisation process and apparatus for enhanced recovery of oxidised and surface oxidised base and precious metal minerals | Deidre Jane Bradshaw | 2014-11-11 |
| 6092666 | Reduction of pH modifying agent in the flotation of copper minerals | David William Clark | 2000-07-25 |
| 6044978 | Process for recovery of copper, nickel and platinum group metal bearing minerals | David William Clark, Henry Nhlanhla Gumede | 2000-04-04 |
| 6041941 | Reagent consumption in mineral separation circuits | Walter Hoecker | 2000-03-28 |
| 6036025 | Mineral flotation separation by deoxygenating slurries and mineral surfaces | David William Clark | 2000-03-14 |
| 6032805 | Enhanced effectiveness of sulfoxy compounds in flotation circuits | David William Clark | 2000-03-07 |
| 5992640 | Precious metals recovery from ores | David William Clark | 1999-11-30 |
| 5855770 | Base metal mineral flotation processes | David William Clark | 1999-01-05 |
| 5753104 | Physical separation processes for mineral slurries | Walter Hoecker | 1998-05-19 |