Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10941100 | Method for the purification of natural vanillin | Alain Etchebarne | 2021-03-09 |
| 10017444 | Method for the purification of natural vanillin | Hubert Gayet, Denis Revelant | 2018-07-10 |
| 9617198 | Method for the purification of natural vanillin | Hubert Gayet, Denis Revelant | 2017-04-11 |
| 9126917 | Method for purifying vanillin by liquid-liquid extraction | Corine Cochennec, Alain Etchebarne | 2015-09-08 |
| 8933274 | Method for preparing a vanillin derivative | Laurent Garel, Corine Cochennec, Francois Metz | 2015-01-13 |