Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11059772 | Imine-type quaternary ammonium salt catalyst, preparation method thereof and use thereof for preparation of polyisocyanate composition | Nuancheng Wang, Yonghua Shang, Yuqi Wang, Bin Shi, Zhicheng Zhu +2 more | 2021-07-13 |