Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11795376 | Viscosifying friction reducers | Genyao Lin, Louis Villafane, Kailas B. Sawant, Kevin W. Frederick | 2023-10-24 |
| 11746277 | Diluted cationic friction reducers | Kailas B. Sawant, Louis Villafane, Kevin W. Frederick, Randy Loeffler | 2023-09-05 |
| 11261361 | Salt tolerant friction reducer | Kevin W. Frederick, Randy Loeffler | 2022-03-01 |
| 11162011 | Diluted cationic friction reducers | Kailas B. Sawant, Louis Villafane, Kevin W. Frederick, Randy Loeffler | 2021-11-02 |
| 10711173 | Salt tolerant friction reducer | Kevin W. Frederick, Randy Loeffler, Kailas B. Sawant | 2020-07-14 |
| 10584277 | Water-in-oil emulsion composition and method of treating subterranean formation using same | Kevin W. Frederick | 2020-03-10 |
| 10385253 | Salt tolerant friction reducer | Kevin W. Frederick, Randy Loeffler, Kailas B. Sawant | 2019-08-20 |
| 9816022 | Ampholyte polymeric compounds in subterranean applications | HsinChen Chung, Yuntao Thomas Hu, Xiangnan Ye, Narongsak Tonmukayakul, Michael A. McCabe +2 more | 2017-11-14 |
| 9695350 | Ampholyte polymeric compounds in subterranean applications | HsinChen Chung, Yuntao Thomas Hu, Xiangnan Ye, Narongsak Tonmukayakul, Michael A. McCabe +2 more | 2017-07-04 |
| 8640774 | Method of treating a formation | Kevin W. Frederick | 2014-02-04 |
| 8535651 | Water soluble polymer complexes with surfactants | Kevin W. Frederick | 2013-09-17 |
| 8211414 | Water soluble polymer complexes with surfactants | Kevin W. Frederick | 2012-07-03 |
| 8021516 | Use of water-soluble polymer complexes in aqueous systems | Valentino L. DeVito, Kevin W. Frederick | 2011-09-20 |
| 7754794 | Methods of treating keratin based substrates | Valentino L. DeVito, Kevin W. Frederick | 2010-07-13 |
| 7575057 | Polymeric gel system and use in hydrocarbon recovery | Kevin Schwartz, Kevin W. Smith | 2009-08-18 |
| 7514007 | Use of water-soluble polymer complexes in aqueous systems | Valentino L. DeVito, Kevin W. Frederick | 2009-04-07 |
| 7405188 | Polymeric gel system and compositions for treating keratin substrates containing same | — | 2008-07-29 |
| 7087556 | Compositions for treating subterranean zones penetrated by well bores | Jiten Chatterji, Valentino L. DeVito, Randy Loeffler, Kevin W. Frederick, Kevin Smith | 2006-08-08 |
| 7001953 | Water-soluble polymer complexes | Valentino L. DeVito, Kevin W. Frederick | 2006-02-21 |
| 6939536 | Cosmetic compositions containing water-soluble polymer complexes | Valentino L. DeVito, Kevin W. Frederick | 2005-09-06 |
| 6767867 | Methods of treating subterranean zones penetrated by well bores | Jiten Chatterji, Roger S. Cromwell, Bobby J. King, D. Chad Brenneis, Dennis W. Gray +5 more | 2004-07-27 |
| 6691715 | Water soluble polymer composition and method of use | Gary F. Matz, Randy Loeffler, Allan L. Melby, Nicholas F. Vozza | 2004-02-17 |
| 6414080 | Inverse emulsion polymer and production thereof | Randy Loeffler, Kevin W. Frederick, James Rak | 2002-07-02 |
| 6361801 | Alkyl allyl amines and low voc hair styling compositions using same | Hong Ding, Michael M. Carpenter, Nicholas F. Vozza, Fu-Mei Chen Lin, Jennifer R. Parsons | 2002-03-26 |
| 6315867 | Dispersing agents and their use | David Robert Skuse, William L. Garforth, Gary F. Matz | 2001-11-13 |