Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8728296 | Method for extracting gallium from fly ash | Dazhao Gu, Yinshan Jiang, Cundi Wei, Deli Yu, Zhaohua Guo +3 more | 2014-05-20 |
| 8568671 | Method for preparing metallurgical-grade alumina by using fluidized bed fly ash | Zhaohua Guo, Cundi Wei, Peiping Zhang, Junzhou Chi, Yanbin Sun +1 more | 2013-10-29 |
| 8505735 | Vertical ring magnetic separator for de-ironing of pulverized coal ash and method using the same | Zhaohua Guo, Wenhui Zhang, Cundi Wei, Yongwang Wang, Shaonan Xu +5 more | 2013-08-13 |