Issued Patents 2025
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12428590 | Method of removing hydrogen sulfide from a subterranean geological formation with a zeolitic imidazolate framework in waste cooking oil-based drilling fluids | Mustapha Iddrisu | 2025-09-30 |
| 12427499 | Process for removing hydrogen sulfide from sour gases | — | 2025-09-30 |
| 12415726 | Process for simultaneous removal of hydrogen sulfide and heavy metals | — | 2025-09-16 |
| 12398336 | Process for removing hydrogen sulfide from sour gases | — | 2025-08-26 |
| 12398310 | Method for treating a well bore to remove hydrogen sulfide | Mustapha Iddrisu | 2025-08-26 |
| 12397278 | Process for removing hydrogen sulfide from sour gases | — | 2025-08-26 |
| 12398309 | Hydrogen sulfide treatment method for crude oil/sour gas | Mustapha Iddrisu | 2025-08-26 |
| 12311310 | Process for removing hydrogen sulfide from sour gases | — | 2025-05-27 |
| 12275892 | Process and material for removing hydrogen sulfide from subterranean geological formations during drilling operations | Mustapha Iddrisu | 2025-04-15 |
| 12268984 | Process for removing hydrogen sulfide from sour gases with ZIF-8 mixed metal hydroxides composites | — | 2025-04-08 |
| 12270266 | Method of removing hydrogen sulfide from a subterranean geological formation with an imidazolate-based nanomaterial in an oil-based drilling fluid | Mustapha Iddrisu | 2025-04-08 |
| 12258513 | Method for reducing hydrogen sulfide in a subterranean formation | Ashraf Ahmed, Salaheldin Elkatatny | 2025-03-25 |
| 12195669 | Process for removing hydrogen sulfide from subterranean geological formations with a layered triple hydroxide material in a water-based drilling fluid | Mustapha Iddrisu | 2025-01-14 |
| 12186701 | Process for removing hydrogen sulfide from sour gases with ZIF-8 layered triple hydroxide/oxide composites | — | 2025-01-07 |