Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11268005 | High density aqueous well fluids | Christopher J. Nalepa, Jacobus N. Louwen, Yunqi Liu, Gregory H. Lambeth, Kevin Coppola | 2022-03-08 |
| 10597574 | High density aqueous well fluids | Christopher J. Nalepa, Jacobus N. Louwen, Yunqi Liu, Gregory H. Lambeth, Kevin Coppola | 2020-03-24 |
| 10519363 | Ultra-high salinity surfactant formulation | Luis C. Salazar, David C. Lewis | 2019-12-31 |
| 10131737 | Reduction of aldehydes in amine catalysts | Ernest L. Rister, Jr., Henry Robertson, Robert A. Grigsby, Jr., Robert B. Moore, Geert Lodewijk Dries +1 more | 2018-11-20 |
| 9988571 | Surfactant formulation for release of underground fossil fluids | Luis C. Salazar, David C. Lewis, Guy Biesmans, Farron W. Miller | 2018-06-05 |
| 8664448 | Process for the production and purification of propylene glycol | Wei-Yang Su, Ralph M. DiGuilio, Stan Harville, Matthew W. Forkner | 2014-03-04 |