Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5266708 | New intermediates, process for their preparation, and their use for the synthesis of vitamins A and E | Lucette Duhamel, Pierre Duhamel, Jérôme Emile Georges Guillemont, Jean-Marie Poirier | 1993-11-30 |
| 5120864 | Intermediates, process for their preparation, and their use for the synthesis of vitamins A and E | Lucette Duhamel, Pierre Duhamel, Jérôme Emile Georges Guillemont, Jean-Marie Poirier | 1992-06-09 |