Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9687020 | Method for preparing an aromatic composition including a compound containing two solids having organoleptic properties | Jean-Claude Le-Thiesse, Corine Cochennec, Olivier Giacomoni | 2017-06-27 |
| 9018421 | Separation of aromatic aldehydes | Hubert Gayet | 2015-04-28 |
| 8628849 | Method for preparing purified pyrocatechol | — | 2014-01-14 |
| 8247620 | Production of highly pure hydroquinone | — | 2012-08-21 |
| 8236992 | Preparation of purified hydroquinone | Philippe Carvin, Jean-Louis Grieneisen | 2012-08-07 |
| 7270752 | Process for purifying lactams | Philippe Carvin | 2007-09-18 |
| 4311536 | Processes of phosphating surfaces of iron and of steel with manganese | Joseph Schapira, Victor Ken, Francois-Joseph Duboys | 1982-01-19 |