Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11111332 | Isocyanate polymerization catalyst, preparation method thereof, and method for preparing polyisocyanate by using same | Wei Liu, Yonghua Shang, Bin Shi, Lidong Sun, Yuan Li +1 more | 2021-09-07 |
| 11100979 | Low-power SRAM memory cell and application structure thereof | Yajun HA | 2021-08-24 |
| 11059772 | Imine-type quaternary ammonium salt catalyst, preparation method thereof and use thereof for preparation of polyisocyanate composition | Nuancheng Wang, Yonghua Shang, Bin Shi, Zhicheng Zhu, Hefu Li +2 more | 2021-07-13 |