Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6867307 | Intermediates for use in the preparation of vitamin E | Jean-Erick Ancel | 2005-03-15 |
| 6384270 | Method for preparing vitamin A | Jean-Erick Ancel | 2002-05-07 |
| 5744617 | Process for the preparation of substituted phenols | Jean-Erick Ancel, Hugues Bienayme | 1998-04-28 |
| 5663459 | Intermediates for the preparation of vitamin A and carotenoids and process for their preparation | Hugues Bienayme | 1997-09-02 |
| 5567852 | Intermediates for the preparation of vitamin A and carotenoids and process for their preparation | Hugues Bienayme | 1996-10-22 |