Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11001748 | Method of preparing and using a drag-reducing additive having a dispersion polymer | Andrei Zelenev, Lakia M. Champagne | 2021-05-11 |
| 10696887 | Oxidative breakers in a silicone based suspension | Keith Ingram Dismuke, Randal M. Hill, Rondell Pennypacker, Steven Hill, Thomas R. Sifferman | 2020-06-30 |
| 10144865 | Method of preparing and using drag-reducing dispersion polymer compositions | Andrei Zelenev, Lakia M. Champagne | 2018-12-04 |
| 8916508 | Drag-reducing copolymer compositions | Earl Parnell, Todd Sanner, Marlin D. Holtmyer, Andrei Zelenev, Gydeon Gilzow +2 more | 2014-12-23 |
| 8865632 | Drag-reducing copolymer compositions | Earl Parnell, Todd Sanner, Marlin D. Holtmyer, Andrei Zelenev, Gydeon Gilzow +2 more | 2014-10-21 |