Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12275869 | High strength long open time polyurethane reactive hot melt | Yingjie Li, Shuhui Qin | 2025-04-15 |
| 11708514 | Solvent free liquid moisture curable polyurethane compositions with long open times and fast cure rates | Yingjie Li, Shuhui Qin | 2023-07-25 |