Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9422468 | Composition of special fluid and use | Laurent Germanaud | 2016-08-23 |
| 8846583 | Biodegradable lubricating composition and use thereof in a drilling fluid, in particular for very deep reservoirs | Bernard Jean-Luc Espagne, Hél éne Rodeschini | 2014-09-30 |