Issued Patents All Time
Showing 26–50 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10760008 | Compositions and methods of removing contaminants in refinery desalting | Mary Jane Legaspi Felipe, Tran M. Nguyen | 2020-09-01 |
| 10633601 | Nitrogen-free hydrogen sulfide scavengers | — | 2020-04-28 |
| 10577542 | Low viscosity metal-based hydrogen sulfide scavengers | Ross Poland | 2020-03-03 |
| 10570344 | Chemical process for sulfur reduction of hydrocarbons | Timothy J. O'Brien, Waynn C. Morgan | 2020-02-25 |
| 10513662 | Functionalized aldehydes as H2S and mercaptan scavengers | Soma Chakraborty, Vaithilingam Panchalingam | 2019-12-24 |
| 10414989 | Chemical process for sulfur reduction of hydrocarbons | Timothy J. O'Brien, Waynn C. Morgan | 2019-09-17 |
| 10093868 | Ionic liquid-based hydrogen sulfide and mercaptan scavengers | Henry Nguyen, Weldon J. Cappel, Kimchi T. Phan | 2018-10-09 |
| 9963642 | Additives to enhance metal and amine removal in refinery desalting processes | Tran M. Nguyen, Lawrence N. Kremer | 2018-05-08 |
| 9719027 | Low viscosity metal-based hydrogen sulfide scavengers | Corina L. Sandu, Yun Bao, Ross Poland, Philip L. Leung, Lei Zhang +1 more | 2017-08-01 |
| 9644161 | Plasticized latex formulations for improved pumpability | Nagesh S. Kommareddi, Keith D. Fairchild, Jack B. Ward, Ross Poland | 2017-05-09 |
| 9605196 | Lubricity agents to increase pump efficiency in hydrate inhibitor applications | Paul J. Biggerstaff, Marc N. Lehmann, Anna M. Dhuet | 2017-03-28 |
| 9550937 | Methods and compositions for decreasing the viscosity of hydrocarbon-based fluids during refining | Koral B. Campbell | 2017-01-24 |
| 9434890 | Additives to enhance metal and amine removal in refinery desalting processes | Tran M. Nguyen, Lawrence N. Kremer | 2016-09-06 |
| 9249366 | Removing amines from hydrocarbon streams | Joseph L. Stark, George G. Duggan, Walter A. Boyd | 2016-02-02 |
| 8679203 | Method of scavenging mercaptans from hydrocarbons | Timothy J. O'Brien | 2014-03-25 |
| 8523994 | Method for reducing hydrogen sulfide evolution from asphalt | Jennifer D. Draper, Mark Williams, Weldon J. Cappel | 2013-09-03 |
| 8425765 | Method of injecting solid organic acids into crude oil | Lawrence N. Kremer, Corina L. Sandu | 2013-04-23 |
| 8372271 | Additives to enhance metal and amine removal in refinery desalting processes | Tran M. Nguyen, Lawrence N. Kremer | 2013-02-12 |
| 8372270 | Additives to enhance metal removal in refinery desalting processes | Tran M. Nguyen, Jianzhong Yang, Ksenija Babic | 2013-02-12 |
| 8366914 | Multifunctional scavenger for hydrocarbon fluids | Jianzhong Yang, Tauseef Salma, John A. Schield, Joseph L. Stark | 2013-02-05 |
| 8357290 | Removing amines from hydrocarbon streams | Joseph L. Stark, George G. Duggan, Walter A. Boyd | 2013-01-22 |
| 8058493 | Removing amines from hydrocarbon streams | Joseph L. Stark, George G. Duggan, Walter A. Boyd | 2011-11-15 |
| 7935246 | Method for improving liquid yield during thermal cracking of hydrocarbons | Joseph L. Stark, Thomas J. Falkler, Michael J. Zetlmeisl | 2011-05-03 |
| 7918905 | Method for improving biodiesel fuel | Lawrence N. Kremer, Jennifer D. Draper | 2011-04-05 |
| 7799213 | Additives to enhance phosphorus compound removal in refinery desalting processes | Lawrence N. Kremer, Tran M. Nguyen | 2010-09-21 |