Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478968 | Method for filtering a three-phased reaction mixture | Lionel Sever | 2002-11-12 |
| 6254789 | Method for treating aqueous solutions comprising acids and nitrated compounds | Philippe Marion, Louis Le Bris, Gerard Berrod, Georges Dovergne | 2001-07-03 |
| 6100396 | Method for purifying lactams | Hubert Gayet, Philippe Leconte | 2000-08-08 |
| 5773642 | Process for the preparation of carboxylic acids or the corresponding esters in the presence of a soluble catalyst based on iridium and iodides | Philippe Denis, Dominique Nobel, Robert Perron, Joel Schwartz | 1998-06-30 |