Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6254789 | Method for treating aqueous solutions comprising acids and nitrated compounds | Philippe Marion, Gerard Berrod, Georges Dovergne, Philippe Perrona | 2001-07-03 |
| 6015924 | Process for the preparation of diacids from the washing waters of cyclohexane oxidation products | — | 2000-01-18 |
| 5820764 | Treatment/removal of byproduct aqueous effluents comprising hydroxynitro-aromatic compounds | Faouzi Joulak, Philippe Marion | 1998-10-13 |
| 5554299 | Treatment/removal of byproduct aqueous effluents comprising hydroxynitroaromatic compounds | Faouzi Joulak, Philippe Marion | 1996-09-10 |