Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9540559 | Betaine surfactants and preparation methods and uses thereof | Chunde Liu, Demin Wang, Xinmin Song | 2017-01-10 |
| 7304116 | Braided comb-shaped salt-resistant polymer thickening agent | Jianhui Luo, Ruoying Pu, Yuzhang Liu, Huaijiang Zhu, Pingmei Wang +4 more | 2007-12-04 |