Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11447693 | Oil field chemical-carrying material and process for making the same | Chun-tian Zhao | 2022-09-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11447693 | Oil field chemical-carrying material and process for making the same | Chun-tian Zhao | 2022-09-20 |