Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11045794 | Supported catalyst used for synthesizing polyether amine, and manufacturing method | Shujie Ren, Congying Zhang, Xin Li, Zhenguo Liu, Xiaolong Wang +9 more | 2021-06-29 |
| 10814314 | Catalyst for aminating polyether polyol and preparation method thereof and method of preparing polyetheramines using catalyst thereof | Congying Zhang, Shujie Ren, Xin Li, Zhenguo Liu, Xiaolong Wang +4 more | 2020-10-27 |
| 9926259 | Catalyst for fixed bed aniline rectification residue recycling and preparation method | Hua Mei, Hao Chen, Dewei Yu, Congying Zhang, Hui Wang +8 more | 2018-03-27 |
| 9580380 | Method for preparing diamino-dicyclohexyl methane | Xin Li, Hao Chen, Congying Zhang, Shan Gao, Zhenguo Liu +7 more | 2017-02-28 |