Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11028334 | Gradient copolymer, its production and application thereof | Yao ZHANG, Kecheng Wei, Yinong Liu, Hongwei Sun | 2021-06-08 |
| 10968313 | Amine polymer and preparation method and use thereof | Xin Cheng, Jianrong Zhang, Zuoxin Huang | 2021-04-06 |