Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6207611 | Catalyst for hydrodemetalization of heavy oil | Suhua Sun, Weiping Fang, Guolin Wu, Jianan SUN, Gang Wang +3 more | 2001-03-27 |
| 5759951 | Hydrogenation demetalization catalyst and preparation thereof | Yusheng Zhao, Zhiwu Wang, Xilai Liu, Jingchun Shao, Xiaojing Chen +2 more | 1998-06-02 |