Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7516849 | Froth flotation process with pH modification | Guoxin Wang, Francisco J. Sotillo | 2009-04-14 |
| 4584096 | Process to beneficiate phosphate and sand products from debris and phosphate tailing ores | — | 1986-04-22 |
| 4440636 | Recovery in phosphate ore flotation process | — | 1984-04-03 |