Issued Patents 2017
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |