Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11618802 | Polymer expanding material used in infiltration or seepage watery environment and preparation method thereof | Hongyuan Fang, Peng Zhao, Lei Wang, Yanhui Pan, Bin Li +1 more | 2023-04-04 |