Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12116315 | Karst channel type water inrush efficient-blocking ultra-high expansion grouting material and preparation and using methods and application thereof | Shucai Li, Rentai Liu, Chenyang Ma, Jiwen Bai, Zhenjun Wang +7 more | 2024-10-15 |
| 11905352 | Expansive polymer grouting material for treating high-pressure large-flow-rate karst water inrush and preparation method thereof | Shucai Li, Rentai Liu, Chenyang Ma, Yankai Liu, Zhenjun Wang +3 more | 2024-02-20 |