Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9624420 | Foam stabilizer composition, foamed cement slurry and additive composition thereof | Chengwen Wang, Baojiang Sun, Weidong Zhou | 2017-04-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9624420 | Foam stabilizer composition, foamed cement slurry and additive composition thereof | Chengwen Wang, Baojiang Sun, Weidong Zhou | 2017-04-18 |