Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11530348 | Ionic liquid enhanced surfactant solution for spontaneous imbibition in fractured carbonate reservoirs | Ziyuan Qi | 2022-12-20 |
| 11418262 | Optical module comprising a reflective surface at a preset angle for reflecting light from light transmitting lenses to light receiving lenses | Yue Xiao | 2022-08-16 |
| 11286232 | Preparation of cationic surfactants | Xuan Zhang, Jinxun Wang | 2022-03-29 |
| 11254855 | Surfactant mixtures used during chemical enhanced oil recovery and methods of use thereof | Limin Xu, Alhasan Fuseni, Dongqing Cao | 2022-02-22 |