Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8846583 | Biodegradable lubricating composition and use thereof in a drilling fluid, in particular for very deep reservoirs | Bernard Jean-Luc Espagne, Samia Lamrani-Kern | 2014-09-30 |