Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10711173 | Salt tolerant friction reducer | Shih-Ruey T. Chen, Randy Loeffler, Kailas B. Sawant | 2020-07-14 |
| 10584277 | Water-in-oil emulsion composition and method of treating subterranean formation using same | Shih-Ruey T. Chen | 2020-03-10 |