Issued Patents 2022
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11512045 | Synthesis and evaluation of novel amido-amine cationic gemini surfactants containing flexible and rigid spacers | Syed Hussain, Abdullah S. Sultan | 2022-11-29 |
| 11459499 | Amidoamine-based gemini surfactant containing ethoxylate units and a method for oil recovery | Syed Hussain | 2022-10-04 |
| 11447688 | Methods for clay swelling inhibition using gemini surfactants containing a saturated linker | S.M. Shakil Hussain, Mobeen Murtaza, Mohamed Mahmoud | 2022-09-20 |
| 11421145 | Oil recovery methods using a formulation containing an unsaturated zwitterionic surfactant and a polymer | Syed Hussain | 2022-08-23 |
| 11407928 | Organophilic clay based drilling fluids containing Gemini surfactant and polyacrylamide | Mamdouh Ahmed Al-Harthi, Hafiz Mudaser Ahmad, S. M. Shakil Hussain, Mohamed Mahmoud | 2022-08-09 |
| 11299986 | Method for acid fracturing and acid stimulation based on NMR diffusion measurements | Mahmoud Elsayed, Mohamed Mahmoud, Ammar El-Husseiny, Karem Al-Garadi | 2022-04-12 |
| 11292957 | Gemini surfactants containing an arylene linker for clay swelling inhibition | S. M. Shakil Hussain, Mobeen Murtaza, Mohamed Mahmoud | 2022-04-05 |