Issued Patents 2023
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11820842 | Sulfonated polymer | Xuan Zhang, Jian Hou, Jinxun Wang | 2023-11-21 |
| 11795374 | Composition and method of making cationic surfactants with two quaternary ammonium head groups | Xuan Zhang, Jinxun Wang, Dongqing Cao | 2023-10-24 |
| 11746274 | Ionic liquid monomer for synthesis of friction reducer and methods thereof | Xuan Zhang, Jose I. Rueda, Mohammed Abudullah Bataweel, Ziyuan Qi | 2023-09-05 |
| 11747133 | Demodulation of fiber optic interferometric sensors | — | 2023-09-05 |
| 11739620 | Methodology to improve the efficiency of gravity drainage CO2 gas injection processes | Subhash Chandrabose Ayirala, Zuhair AlYousef, Dong Kyu Cha, Muhammad M. Almajid, Ali Abdallah Alyousef | 2023-08-29 |
| 11697700 | Synthesis of a cationic surfmer and its copolymers for enhanced oil recovery | Xuan Zhang, Limin Xu | 2023-07-11 |
| 11649397 | Polyaromatic hydrocarbon-based host-guest complex for heavy crude oil viscosity reduction | Shaohua Chen, Abdulkareem AlSofi | 2023-05-16 |
| 11590708 | Three-dimensional fluid micromodels | Ali Alkhatib, Amar Jaber M. Alshehri | 2023-02-28 |
| 11591292 | Preparation of cationic surfactants | Xuan Zhang, Jinxun Wang | 2023-02-28 |
| 11591291 | Preparation of cationic surfactants | Xuan Zhang, Jinxun Wang | 2023-02-28 |