Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5856581 | Preparation of cyclic ketones | Michel Alas | 1999-01-05 |
| 5777151 | Esterification of carboxylic acid salts | — | 1998-07-07 |
| 5686406 | Vanillic acid ester perfuming agents | Isabelle Storet | 1997-11-11 |
| 5600013 | Preparation of cyclic ketones | Michel Alas | 1997-02-04 |
| 5432290 | Process for the preparation of 2,2-difluoro-1,3-benzodioxole | Michel Casado, Bernard Langlois | 1995-07-11 |
| 5068450 | Process for the preparation of aromatic aldehydes | Christophe Rochin | 1991-11-26 |
| 5003091 | Preparation of 3-memory-4,5-methylenedioxybenzaldehyde | — | 1991-03-26 |
| 4933498 | Preparation of trialkoxybenzaldehydes | — | 1990-06-12 |
| 4883883 | Novel n[meth)allyloxy(meth)allylphenyl]maleimides and thermosetting imido copolymers prepared therefrom | Pascal Barthelemy | 1989-11-28 |
| 4622426 | Preparation of N,N'-bis(2-hydroxyethyl)oxamide | — | 1986-11-11 |
| 4584256 | Diazotype materials which can be developed by heat and contain an activator precursor having 2-carboxy carboxamide group releasing a strong base during heating | Claude Ceintrey | 1986-04-22 |