Issued Patents All Time
Showing 25 most recent of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6639115 | Process for the manufacture of difluoromethane | Benoit Requieme, Sylvain Perdrieux, Bernard Cheminal, Eric Lacroix | 2003-10-28 |
| 6395941 | Process for the purification of 1,1,1,2-tetrafluoroethane | Bernard Cheminal | 2002-05-28 |
| 6339178 | Synthesis of 1,1,1-trifluoroethane by fluorination of 1-chloro-1, 1-difluoroethane | Sylvain Perdrieux, Dominique Garrait, Laurent Wendlinger | 2002-01-15 |
| 6242659 | Process for the manufacture of difluoromethane | Benoit Requieme, Sylvain Perdrieux, Bernard Cheminal, Eric Lacroix | 2001-06-05 |
| 5990364 | Purification of pentafluoroethane | Jean-Pierre Schirmann, Serge Hub, Eric Lacroix | 1999-11-23 |
| 5951830 | Process for purification of hydrochlorofluoroethanes | Rene Bertocchio, Daniel R. Roland, Bertrand Collier | 1999-09-14 |
| 5932776 | Process for fluorination of perchloroethylene or of pentachloroethane | Bernard Cheminal, Eric Lacroix | 1999-08-03 |
| 5917098 | Preparation of 1,1,1,3,3-pentachlorobutane and 1,1,1,3,3-pentafluorobutane | Rene Bertocchio, Laurent Wendlinger | 1999-06-29 |
| 5900514 | Synthesis of difluoromethane | Benoit Requieme, Eric Lacroix | 1999-05-04 |
| 5892137 | Purification of pentafluroethane | Rene Bertocchio | 1999-04-06 |
| 5750810 | Method for coproducing difluoromethane and 1,1,1,2-tetrafluoroethane | Jean-Pierre Schirmann, Serge Hub | 1998-05-12 |
| 5731481 | Process for the manufacture of 1,1,1,2-Tetrafluoroethane | Bernard Cheminal, Eric Lacroix | 1998-03-24 |
| 5705718 | Process for the purification of 1,1,1,2-tetrafluoroethane | Bernard Cheminal | 1998-01-06 |
| 5523500 | Mass catalysts based on chromium and nickel oxides and their application to the fluorination of halogenated hydrocarbons | Bernard Cheminal, François Garcia, Eric Lacroix | 1996-06-04 |
| 5453551 | Purification of pentafluoroethane | Eric Lacroix, Bernard Cheminal | 1995-09-26 |
| 5430205 | Process for the purification of 1,1,1,2-tetrafluoroethane | Bernard Cheminal, Eric Lacroix | 1995-07-04 |
| 5386068 | Stabilization of 1,1-dichloro-1-fluoroethane | Rene Bertocchio, Patrick Lambert | 1995-01-31 |
| 5382723 | Synthesis of hydrogen perfluoroalkanes | Pierre Durual | 1995-01-17 |
| 5354928 | Process for the manufacture of 1,1,1,2-tetrafluorochloroethane and of pentafluoroethane | Bernard Cheminal, Eric Lacroix | 1994-10-11 |
| 5202509 | Catalysts for liquid phase fluorination | Charles Laviron | 1993-04-13 |
| 5198199 | Process for the recovery of antimony-based catalysts used for the fluorination of halgenated hydrocarbons | Eric Lacroix | 1993-03-30 |
| 5055624 | Synthesis of 1,1-dichloro-1,2,2,2-tetrafluoroethane | Bernard Cheminal | 1991-10-08 |
| 4983769 | Perfluoroalkylamine oxides and use of these products in fire extinguishing compositions | Rene Bertocchio, Louis Foulletier | 1991-01-08 |
| 4912269 | Synthesis of perfluoroalkyl bromides | Gilles Drivon, Pierre Durual, Bernard Gurtner | 1990-03-27 |
| 4849555 | Synthesis of 1-chloro-1, 1-difluoroethane | Bernard Cheminal | 1989-07-18 |