Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6306799 | Compositions for iron control in acid treatments for oil wells | Jean-Pierre Feraud, Philippe Dejeux | 2001-10-23 |
| 5972849 | Process for controlling iron | Jean-Pierre Feraud, Philippe Dejeux, Pierre Maroy | 1999-10-26 |
| 5547926 | New compositions for iron control in acid treatments for oil wells | Jean-Pierre Feraud, Philippe Dejeux, Pierre Maroy | 1996-08-20 |
| 4838352 | Process for plugging subterranean formations | Rudiger Oberste-Padtberg, Philippe Parcevaux, Sylvie Peulet | 1989-06-13 |