Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6579979 | Treatment/purification of lactam media of reaction | — | 2003-06-17 |
| 6559333 | Method for purifying aliphatic aminonitriles | Jean-Pierre Brunelle, Philippe Marion | 2003-05-06 |
| 6538156 | Method for purifying adipic acid by crystallization | Eric B. Henriet, Carl Patois, Robert Perron | 2003-03-25 |
| 6518449 | Method for regenerating a hydrogenation catalyst, method for hydrogenating compounds comprising nitrile functions | Vincent Boschat | 2003-02-11 |
| 6384283 | Method for preparing aminonitrile and diamine | — | 2002-05-07 |
| 6232488 | Method for hydrogenating dinitriles | Vincent Boschat, Daniel Rochette, Lionel Sever | 2001-05-15 |
| 6222069 | Method for purifying adipic acid in water | Eric B. Henriet, Carl Patois, Robert Perron | 2001-04-24 |
| 6214190 | Method for separating a catalyst by membrane electrodialysis | Eric Fache, Dominique Horbez | 2001-04-10 |
| 6100396 | Method for purifying lactams | Hubert Gayet, Philippe Perrona | 2000-08-08 |
| 6069246 | Method for treating lactams | Henri Chiarelli | 2000-05-30 |
| 5981790 | Method for partially hydrogenating dinitriles to aminonitriles | Marie-Christine Cotting, Laurent Gilbert | 1999-11-09 |
| 5908803 | Process for isolation of a catalyst containing palladium | Carl Patois | 1999-06-01 |
| 5900506 | Method of processing reaction mixtures obtained from the oxidation of cyclohexane | Eric Fache, Gilbert Marin | 1999-05-04 |
| 5723603 | Process for the preparation of lactams | Laurent Gilbert, Nathalie Laurain, Christophe Nedez | 1998-03-03 |
| 5574459 | Device for the detection and characterizing of radar pulses | Olivier Burgay | 1996-11-12 |
| 5117036 | Preparation of aromatic carbamates | Francois Metz | 1992-05-26 |
| 5026900 | Process for the preparation of dialkyl malonates | Philippe Coste, Robert Perron, Michel Baudoin | 1991-06-25 |
| 4613702 | Aldehyde production by hydrocarbonylation of organic halides | — | 1986-09-23 |
| 4500473 | Preparation of carboxylic acid anhydrides | Jean Gauthier-Lafaye, Robert Perron, Jacques Gallucci | 1985-02-19 |