Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12331256 | Process and system for processing aromatics-rich fraction oil | Yanzi JIA, Dawei Hu, Chuanfeng Niu, Shuling Sun, Lishun Dai +4 more | 2025-06-17 |
| 11572283 | Molecular sieve having mesopores, preparation method therefor, and application thereof | Yunfei Bi, Guofu Xia, Mingfeng Li, Weiguo Huang, Qingzhou Guo +5 more | 2023-02-07 |
| 9657236 | Process for hydrotreating heavy raw oils | Dawei Hu, Shuling Sun, Jia Liu, Hong Nie, Xinqiang Zhao +5 more | 2017-05-23 |
| 9469817 | Hydrocracking catalyst and use of the same | Yichao Mao, Hong Nie, Mingfeng Li, Zhihai Hu, Runqiang Zhang +1 more | 2016-10-18 |
| 8529753 | Combined process for hydrotreating and catalytic cracking of residue | Chuanfeng Niu, Lishun Dai, Yongcan Gao, Dadong Li, Yahua Shi +1 more | 2013-09-10 |
| 6673741 | Guard catalyst and a process for its preparation | Xiaohong Kang, Kui Wang, Weizheng Dong, Li Zhu | 2004-01-06 |
| 6518219 | Catalyst for hydrorefining fraction oils, its carrier and preparation | Bin Liu, Hong Nie, Xuefen Liu, Dadong Li, Yahua Shi +1 more | 2003-02-11 |