Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7323434 | Electropositive production well treating fluid and method of preparing the same | Changming Su, Weiping Xu, Zengchen Guan, Peizhi Yu, Xiushan Liu +5 more | 2008-01-29 |