Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9840462 | Solvent refining method for isocyanate prepared by phosgene method and devices used in same | Hongke Zhang, Yu Yao, Dongke Zhao, Weiqi Hua, Bin Chen +4 more | 2017-12-12 |