Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10023582 | 6-aryl amino pyridone formamide compound crystal and preparation method therefor | Lulu Wang, Xiquan Zhang, Fei Liu, Yizhong Zhu, Chao Gao +2 more | 2018-07-17 |
| 9873983 | Process and compositions for paper-making | Meng Zhang, Jun Li, Na Xu, Yulin Zhao | 2018-01-23 |
| 9873986 | Paper-making aid composition and process for increasing ash retention of finished paper | Na Xu, Meng Zhang, Yulin Zhao | 2018-01-23 |