Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9394202 | Compositions and methods for well cementing | Olivier Porcherie, Elena Pershikova, Nigel Evans, Hafida Achtal, Benedicte Ayache-Zusatz | 2016-07-19 |
| 9222010 | Pumpable geopolymers comprising a mixing aid and dispersing agent | Olivier Porcherie, Elena Pershikova, Gaetan Rimmele, Hafida Achtal | 2015-12-29 |
| 9206343 | Pumpable geopolymers comprising a setting accelerator | Elena Pershikova, Olivier Porcherie, Slaheddine Kefi, Hafida Achtal | 2015-12-08 |
| 8535437 | Pumpable geopolymers comprising a fluid-loss agent | Elena Pershikova, Olivier Porcherie, Slaheddine Kefi, Hafida Achtal | 2013-09-17 |