Issued Patents 2019
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10513578 | Etheramines and their use as curatives or intermediates for polymer synthesis | David C. Lewis, Howard P. Klein, Terry L. Renken, Leah Patterson | 2019-12-24 |
| 10508229 | Crosslinked polymers including sulfonic acid groups or salts or esters thereof as viscosifiers and fluid loss additives for subterranean treatment | Weibin Zha, Jay Paul Deville | 2019-12-17 |
| 10501675 | Fluid loss additive for water based drilling fluids with improved thermal stability | Weibin Zha | 2019-12-10 |
| 10482674 | System and method for mobile augmented reality | Yuzhang Wu, Yi Xu, Dan Miao | 2019-11-19 |
| 10414963 | High-temperature crosslinked polymer for use in a well | Jay Paul Deville | 2019-09-17 |
| 10407526 | Crosslinked polymer compositions with two crosslinkers for use in subterranean formation operations | Weibin Zha, Kay Ann Galindo | 2019-09-10 |
| 10336850 | Methods of use for crosslinked polymer compositions in subterranean formation operations | Weibin Zha, Kay Ann Galindo | 2019-07-02 |
| 10290049 | System and method for multi-user augmented reality shopping | Yi Xu, Yuzhang Wu | 2019-05-14 |
| 10273397 | Synthetic crosslinked polymer additive for use in subterranean treatment fluids | Weibin Zha | 2019-04-30 |
| 10179872 | Fluid loss additive for water based drilling fluids with improved thermal stability | Weibin Zha | 2019-01-15 |