Issued Patents All Time
Showing 1–25 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12180428 | Methods of using ionic liquids as paraffin inhibitors, pour point depressants and cold flow improvers | — | 2024-12-31 |
| 12084616 | Stabilizing scavenger formulations in the presence of excess formaldehyde for storage at elevated temperatures | Zhengwei Liu, Scott E. Lehrer, Jagrut Jani, Sunder Ramachandran | 2024-09-10 |
| 11970657 | Carbonate-based solvents for scale-squeeze enhancement | Sankaran Murgesan, Onome Ugono, Jeffrey A. Russek, Dong Kweon Lee | 2024-04-30 |
| 11898106 | Oil-wetting chemicals for solids retention | Brandon M. Vittur, Carl E. Weaver, Tran M. Nguyen, Lirio Quintero, Leonardo Franca +1 more | 2024-02-13 |
| 11897860 | Direct synthesis of cyclic carbonates using choline chloride as catalyst under mild conditions | Analette Carrasco, Catherine C. Blackwell, Sankaran Murugesan, Xiaofeng Wang, Douglas Nugent +1 more | 2024-02-13 |
| 11879100 | Removing catalyst fines from heavy oils | Sankaran Murugesan, Sai Reddy Pinappu, Carl E. Weaver | 2024-01-23 |
| 11820938 | Formulations for dispersal of byproducts of oil field scavenger slurries and asphaltene deposits | Onome Ugono, Sankaran Murugesan, Kekeli Ekoue-Kovi | 2023-11-21 |
| 11802246 | Synergistic effects among mercaptan scavengers | Peng Jin, Zhengwei Liu, Sunder Ramchandran, Jagrut Jani, Scott E. Lehrer +1 more | 2023-10-31 |
| 11718798 | Compositions and methods of removing contaminants in refinery desalting | Mary Jane Legaspi Felipe, Tran M. Nguyen | 2023-08-08 |
| 11491466 | Ethyleneamines for regenerating adsorbent beds for sulfur compound removal | Sai Reddy Pinappu | 2022-11-08 |
| 11485915 | Methods of using ionic liquids as corrosion inhibitors | Mary Jane Legaspi Felipe | 2022-11-01 |
| 11434434 | Metal removal from fluids | Jagrut Jani, Tran M. Nguyen, Zhengwei Liu | 2022-09-06 |
| 11331649 | Regenerated adsorbent beds for sulfur compound removal | Sai Reddy Pinappu, Timothy J. O'Brien, Waynn C. Morgan | 2022-05-17 |
| 11326109 | Metal removal from glycol fluids | Jagrut Jani, Tran M. Nguyen, Zhengwei Liu | 2022-05-10 |
| 11261385 | Methods and compounds for removing non-acidic contaminants from hydrocarbon streams | Paul J. Biggerstaff, Sai Reddy Pinappu, Weldon J. Cappel | 2022-03-01 |
| 11254881 | Methods of using ionic liquids as demulsifiers | — | 2022-02-22 |
| 11168265 | Process of removing metal contaminants from light hydrocarbons | Waynn C. Morgan, James Kiolbassa, Timothy J. O'Brien, Sai Reddy Pinappu, Tran M. Nguyen | 2021-11-09 |
| 11162036 | Polybenzoxazine asphaltene inhibitors | Joey Dacula Mangadlao, Gordon T. Rivers, David Jennings | 2021-11-02 |
| 11130918 | Metal removal from fluids | Jagrut Jani, Tran M. Nguyen, Zhengwei Liu | 2021-09-28 |
| 11124692 | Methods of using ionic liquid based asphaltene inhibitors | Henry Nguyen, David Jennings, Kung-Po Chao | 2021-09-21 |
| 11053447 | Chemical process for sulfur reduction of hydrocarbons | Timothy J. O'Brien, Waynn C. Morgan | 2021-07-06 |
| 10858604 | Phenol aldehydes asphaltene inhibitors | Henry Nguyen, David Jennings, Kung-Po Chao, Joey Dacula Mangadlao | 2020-12-08 |
| 10829699 | Functionalized aldehydes as H2S and mercaptan scavengers | Soma Chakraborty, Vaithilingam Panchalingam | 2020-11-10 |
| 10822549 | Methods and compounds for removing non-acidic contaminants from hydrocarbon streams | Paul J. Biggerstaff, Sai Reddy Pinappu, Weldon J. Cappel | 2020-11-03 |
| 10822547 | Basic ionic liquids as hydrochloric acid scavengers in refinery crude processing | — | 2020-11-03 |