Issued Patents 2003
Showing 1–4 of 4 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 |