Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11898099 | Fracturing propping agent and preparation method of fracturing propping agent by using oil sludge produced in exploited of oil and gas field | Changming Su, Zhanqing Qu, Xinwu Zhu, Yuping Fan, Wei Liu +2 more | 2024-02-13 |