Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5099928 | Non-polluting dispersing agent for drilling fluids based on freshwater or salt water | Yves Kensicher, Jacky Rousset | 1992-03-31 |
| 4681634 | Composition cimentaire hydraulique a prise retardee pour cimentation a hautes temperature et pression | Yves Roca, Jacky Rousset, Marie-Christine P. Leblanc, Daniel Baffreau | 1987-07-21 |