Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5082940 | Process for the production of oxides of aromatic tertiary amines | Franz Legrand, Andre Lecloux | 1992-01-21 |
| 4925941 | Process for the manufacture of a 2,3-dihydroxyquinoxaline, and 2,3-dihydroxyquinoxalines thus obtained | Jean-Pierre Ganhy | 1990-05-15 |
| 4845290 | Process for the preparation of hydroxylamines and products thereby obtained | Franz Legrand | 1989-07-04 |