Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9856413 | Viscoelastic surfactant having multiple hydrophobic and hydrophilic groups as fracturing fluids | Yongjun Lu, Baoshan Guan, Weixiang Cui, Xiaohui Qiu | 2018-01-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9856413 | Viscoelastic surfactant having multiple hydrophobic and hydrophilic groups as fracturing fluids | Yongjun Lu, Baoshan Guan, Weixiang Cui, Xiaohui Qiu | 2018-01-02 |