Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5132468 | C-alkylation of hydroquinone or monoethers thereof | Michel Gubelmann, Philippe-Jean Tirel | 1992-07-21 |
| 5118651 | Chemical compound containing alkali metals or alkaline earth metals, catalyst containing the compound and process for the production of the catalyst | Michel Gubelmann, Philippe-Jean Tirel, Helene Pernot, Laurent Gilbert, Jean-Michel Popa | 1992-06-02 |
| 4996376 | Preparation of dinitrotoluenes | Michel Gubelmann, Jean-Michel Popa | 1991-02-26 |
| 4950811 | Process for the preparation of trifluoro-ethanol by hydrolysis, in the gas phase, of chlorotrifluoroethane | Michel Gubelmann, Philippe-Jean Tirel | 1990-08-21 |
| 4511517 | Carbonylation of methyl acetate | Jean Gauthier-Lafaye, Robert Perron | 1985-04-16 |