Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11001512 | Treatment of aqueous mineral suspensions with polymeric flocculants | Cole A. Witham, Matthew J. Hansen, James E. Hitt, Carol E. Mohler | 2021-05-11 |
| 11001514 | Method of treating high-solids mineral slurries with polymeric flocculants | Cole A. Witham, Paul A. Gillis, Jason S. Moore | 2021-05-11 |
| 10933955 | Crude oil cargo recirculation system | Dave Cooley, Raymond Aubrey | 2021-03-02 |
| 10858570 | Aqueous cement compositions incorporating particles that are activated to control rheology when water soluble portions of the particles are released in the presence of water | Cole A. Witham, Roger L. Kuhlman, Jorg Theuerkauf, Michael J. Radler | 2020-12-08 |
| 10781117 | Flocculation of high-solids mineral slurries | Carol E. Mohler, Domonique Downing, Paul A. Gillis, Stephanie L. Hughes, Jason S. Moore +3 more | 2020-09-22 |
| 10315944 | Polymeric flocculants for treating aqueous mineral suspensions | Cole A. Witham, Matthew J. Hansen, James E. Hitt, Carol E. Mohler | 2019-06-11 |
| 9943782 | Cationic vinyl imidazolium-based copolymer for separating an oil-in-water emulsion | M. J. Yanjarappa, Cecile Boyer, Stephen M. Hoyles | 2018-04-17 |
| 9758397 | N-vinylpyrrolidone-based cationic copolymer for separating an oil-in-water emulsion | M. J. Yanjarappa, Cecile Boyer, Stephen M. Hoyles | 2017-09-12 |
| 9688899 | Curable composition for use as lost circulation material | Phillip S. Athey, Bernard E. Obi | 2017-06-27 |
| 9631131 | Polyaminopolyamide-epichlorohydrin resins for use as clay and shale inhibition agents for the drilling industry | Cole A. Witham, Stephen W. King, Prashant Tatake | 2017-04-25 |
| 9598626 | Clay and shale inhibition agents and method of use | Cole A. Witham, Joseph L. Deavenport | 2017-03-21 |
| 9587160 | Curable cross-linkable compositions for use as lost circulation material | Phillip S. Athey | 2017-03-07 |
| 9574126 | Glycol ether amines for use as clay and shale inhibition agents for the drilling industry | Aleksandr T. Gamble, Cole A. Witham, Felipe A. Donate, Kyle R. Essenmacher, Stephen W. King +1 more | 2017-02-21 |
| 9416051 | Cementing composition comprising nonionic hydrophobically-modified cellulose ethers and its use | Roger L. Kuhlman, Cole A. Witham, Raymond M. Jones, Nathan Kyle Combs, Jeffrey Thomas Watters +1 more | 2016-08-16 |
| 9328279 | Mono-quaternary amine alcohols for use of clay and shale inhibition agents for the drilling industry | Cole A. Witham, Joseph L. Deavenport | 2016-05-03 |
| 9267364 | Oil recovery | Roger L. Kuhlman | 2016-02-23 |
| 8911615 | Recovery and separation of crude oil and water from emulsions | Olina G. Raney, John Hera, Jr., Duy T. Nguyen, George J. Hirasaki, Clarence A. Miller | 2014-12-16 |
| 6121602 | Method for monitoring foam and gas carry under and for controlling the addition of foam inhibiting chemicals | Daniel H. Emmons, Samuel C. MARSH, Michael C. Edwards | 2000-09-19 |
| 5954943 | Method of inhibiting coke deposition in pyrolysis furnaces | Youdong Tong | 1999-09-21 |
| 5879534 | Non-enolizable oxygenates as anti foulants in ethylene dichloride manufacture | Vincent E. Lewis, Robert D. McClain | 1999-03-09 |
| 5779881 | Phosphonate/thiophosphonate coking inhibitors | Youdong Tong | 1998-07-14 |
| 5770041 | Non-enolizable oxygenates as antifoulants | Vincent E. Lewis, Robert D. McClain | 1998-06-23 |
| 5733438 | Coke inhibitors for pyrolysis furnaces | Youdong Tong, C. Tom Rowe | 1998-03-31 |
| 5734098 | Method to monitor and control chemical treatment of petroleum, petrochemical and processes with on-line quartz crystal microbalance sensors | Paul R. Kraus, Robert D. McClain | 1998-03-31 |
| 5556575 | Corrosion inhibition in refineries using the reaction product of hydrocarbyl succinic anhydride and an amine | Elizabeth Babaian-Kibala, Veronica K. Braden, Christopher Murphy | 1996-09-17 |