Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11497206 | Cell cryopreservation protective composition and use thereof | Lei Zhang | 2022-11-15 |
| 11286411 | Synergist for water-based drilling fluid and preparation method therefor, water-based drilling fluid and application thereof | Xiaohu Quan, Haiping Feng, Yihu Wang, Jianmin Chen, Yu Cao +4 more | 2022-03-29 |