Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392014 | Low-cost selective precipitation circuit for recovery of rare earth elements from acid leachate of coal waste | Wencai Zhang | 2025-08-19 |
| 11821054 | Method for recovering valuable elements from precombustion coal-based materials | Wencai Zhang | 2023-11-21 |
| 11186895 | Continuous solvent extraction process for generation of high grade rare earth oxides from leachates generated from coal sources | Joshua Michael Werner, Alind Chandra | 2021-11-30 |
| 11155897 | Low-cost selective precipitation circuit for recovery of rare earth elements from acid leachate of coal waste | Wencai Zhang | 2021-10-26 |
| 9074149 | Methods and systems for treating a gasification slag product | Albert Tsang, Max W. Thompson | 2015-07-07 |