Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8424619 | Drilling fluid | Cécile Mazard, Bertrand Guichard | 2013-04-23 |
| 7998905 | Drilling fluid containing chlorosulfonated alpha-olefin copolymers | Cécile Mazard, Bertrand Guichard | 2011-08-16 |