Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11384185 | Preparation method for fumaric acid pour point depressant for crude oil | Shizhang Cui, Zongming Xiu, Liming Wang, Xinwang Song, Ruimei Gao +1 more | 2022-07-12 |
| D957610 | Air purifier | — | 2022-07-12 |