Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12247160 | Method for controlling production of excessive water and aqueous fluids in oil and gas wells | Chee Fei Chin, Zhihua Zhang, Ahmed Rabie, Hoang Van Le | 2025-03-11 |
| 12018211 | Inverting surfactants for inverse emulsions | Stanley Gunawan, Zhihua Zhang, Shaopeng Zhang, Igor Pimkov, Qi Qu | 2024-06-25 |
| 11649400 | Polymer dispersion by controlled radical polymerization | Zhihua Zhang, Man Chen, Chee Fei Chin, David James Wilson | 2023-05-16 |