Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11884632 | Preparation method of caprolactam | Songlin Wang, Xi Li, Han Wang, Fei Shen, Xinping Zhang +2 more | 2024-01-30 |
| 11459302 | Refining process and refining system of caprolactam | Songlin Wang, Fei Shen, Han Wang, Xi Li, Xinping Zhang +4 more | 2022-10-04 |
| 7408080 | Process for ammoximation of carbonyl compounds | Wei Wu, Bin Sun, Yongxiang Li, Enquan Wang, Shuzhong Zhang | 2008-08-05 |