Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6820746 | Process for the beneficiation of sulfide minerals | Alan S. Rothenberg | 2004-11-23 |
| 6739454 | Mineral collector compositions and processes for making and using same | Alan S. Rothenberg | 2004-05-25 |
| 6732867 | Beneficiation of sulfide minerals | Alan S. Rothenberg | 2004-05-11 |