Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11292718 | Process for preparing sulfur from reduction of sulfate/ nitrate by iron-carbon and recovering desulfurization/ denitration agents | Chunyuan Ma, Xiao Xia, Lin Cui, Liqiang Zhang, Xiqiang Zhao +2 more | 2022-04-05 |
| 11286162 | System and method for recovering sulfur in copper smelting process | Chunyuan Ma, Xiao Xia, Xiqiang Zhao, Tai Feng, Jun Li | 2022-03-29 |
| 6844287 | Supported catalysts for the fixation of carbon dioxide into aliphatic polycarbonates and a process for preparing the same | Yuezhong Meng, Quan Zhu, Xiuhua Li, Longchao Du | 2005-01-18 |