Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5759951 | Hydrogenation demetalization catalyst and preparation thereof | Yusheng Zhao, Jiahuan Wang, Zhiwu Wang, Jingchun Shao, Xiaojing Chen +2 more | 1998-06-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5759951 | Hydrogenation demetalization catalyst and preparation thereof | Yusheng Zhao, Jiahuan Wang, Zhiwu Wang, Jingchun Shao, Xiaojing Chen +2 more | 1998-06-02 |