Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6559333 | Method for purifying aliphatic aminonitriles | Jean-Pierre Brunelle, Philippe Leconte | 2003-05-06 |
| 6547933 | Process for the purification of aromatic polyamines | Stephane Montarsolo | 2003-04-15 |