Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6971262 | System and method for rheological characterization of granular materials | Philippe Marchal, Nadia Smirani | 2005-12-06 |
| 5744428 | Process using gellan as a filtrate reducer for water-based drilling fluids | Eric Dreveton, Jacqueline Lecourtier, Daniel Ballerini | 1998-04-28 |