Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8002889 | Dual function cement additive | Bruno Drochon, Sylwia Komocki | 2011-08-23 |
| 7946343 | Versatile additives for well cementing applications | Jean-Philippe Caritey, Tatiana Pyatina, Frederic Thery | 2011-05-24 |
| 7947127 | Cement retarder systems, and retarded cement compositions | Tatiana Pyatina | 2011-05-24 |