Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5503671 | High temperature retarders for oil field cements, cement slurries and corresponding cementing processes | Jean-Michel Casabonne, Erik Nelson | 1996-04-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5503671 | High temperature retarders for oil field cements, cement slurries and corresponding cementing processes | Jean-Michel Casabonne, Erik Nelson | 1996-04-02 |