Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10046289 | Method for replacement of phosgene synthesis column catalyst | Hongke Zhang, Yu Yao, Dongke Zhao, Guanyi Cao, Xiaogao Liu +2 more | 2018-08-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10046289 | Method for replacement of phosgene synthesis column catalyst | Hongke Zhang, Yu Yao, Dongke Zhao, Guanyi Cao, Xiaogao Liu +2 more | 2018-08-14 |