Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10280357 | High density and high temperature emulsifier for use in an oil based drilling fluid system | Chun Zhou, Zhenzhou Yang | 2019-05-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10280357 | High density and high temperature emulsifier for use in an oil based drilling fluid system | Chun Zhou, Zhenzhou Yang | 2019-05-07 |