Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12344795 | Biological and chemical composite blockage removing agent and preparation process and use thereof | Yong Meng, Yingcheng Li, Weidong Zhang, Ou Sha, Xinning Bao +1 more | 2025-07-01 |
| 12180419 | Alkylaniline polyether benzenesulfonate and process of producing same | Yingcheng Li, Xinning Bao, Weidong Zhang, Ou Sha, Jun Jin | 2024-12-31 |