Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10005072 | High matrix surface area catalytic cracking catalyst stabilized with magnesium and silica | Ranjit Kumar, Wu-Cheng Cheng, Kevin J. Sutovich, Michael S. Ziebarth | 2018-06-26 |
| 9993810 | Silica sol bound catalytic cracking catalyst stabilized with magnesium | Kevin J. Sutovich, Wu-Cheng Cheng, Ranjit Kumar, Michael S. Ziebarth | 2018-06-12 |
| 9617480 | Process for making improved zeolite catalysts from peptized aluminas | Richard Franklin Wormsbecher, Wu-Cheng Cheng | 2017-04-11 |
| 9416322 | Process for making improved catalysts from clay-derived zeolites | Richard Franklin Wormsbecher, Wu-Cheng Cheng, Michael Wallace | 2016-08-16 |
| 8845882 | High light olefins FCC catalyst compositions | Richard Franklin Wormsbecher, Wu-Cheng Cheng | 2014-09-30 |
| 8692032 | Methods of using tungsten carbide catalysts in preparation of ethylene glycol | Tao Zhang, Na Ji, Mingyuan Zheng, Aiqin Wang, Xiaodong Wang +1 more | 2014-04-08 |
| 7960594 | Method of preparing ethylene glycol from cellulose | Tao Zhang, Mingyuan Zheng, Na Ji, Aigin Wang, Hui Wang +2 more | 2011-06-14 |