Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5855771 | Pyrite depressant useful in floation separation | Guy H. Harris | 1999-01-05 |
| 5853571 | Pyrite depressant useful in flotation separation | Guy H. Harris | 1998-12-29 |
| 5846407 | Pyrite depressant useful in flotation separation | Guy H. Harris | 1998-12-08 |
| 4552652 | Method for removing inorganic sulfides from non-sulfide minerals | Yosry A. Attia | 1985-11-12 |