Issued Patents All Time
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, Ruimei Gao, Yunfu Hou +1 more | 2022-07-12 |
| 9080096 | Oil displacement agent and process for preparing the same | Huanquan Sun, Zhenquan Li, Xulong Cao, Guangsu Huang, Xiaohong Cui +6 more | 2015-07-14 |