Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11174423 | Additive for oil well cement, and cement composition and cement slurry both including said additive for oil well cement | — | 2021-11-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11174423 | Additive for oil well cement, and cement composition and cement slurry both including said additive for oil well cement | — | 2021-11-16 |