Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11136465 | Aqueous coating composition | Yaguang Zhao, Jianming Xu, Qingwei Zhang, Wei Li, Ling Li | 2021-10-05 |
| 10934371 | Method of steam stripping dispersion of organic extender particles | Jianming Xu, Alvin M. Maurice, Daoshu Lin, Yaguang Zhao, Jiayuan Yang +1 more | 2021-03-02 |
| 10889745 | Plugging agent with temperature-resistant, salt-resistant and high-expansion for plugging large fractures and preparation method thereof | Fa Yang Jin, Wan Fen Pu, Wen Ge Hu, Hai Zhao, Long He +8 more | 2021-01-12 |