Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5207832 | Lightened cement grout suitable for the cementation of hydrocarbon production wells | Jean-Claude Laugerotte, Nicolas Musikas | 1993-05-04 |
| 4877452 | Compound cement, more particularly usable in bore holes | Michel Roussel | 1989-10-31 |
| 4681634 | Composition cimentaire hydraulique a prise retardee pour cimentation a hautes temperature et pression | Yves Roca, Jacky Rousset, Pierre Bouchut, Marie-Christine P. Leblanc | 1987-07-21 |