Issued Patents All Time
Showing 26–50 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6284939 | Process for liquid-phase conversion with a moving-bed catalyst using a stripper-lift | Frederic Hoffmann, Philippe Mege | 2001-09-04 |
| 6281402 | Alternated process for olefin metathesis | Vincent Coupard, Francois Hugues, Beatrice Fischer, Pierre Boucot, Alain Forestiere | 2001-08-28 |
| 6277781 | Process for preparing a rhenium and cesium based metathesis catalyst | Francois Hugues, Lucien Saussine | 2001-08-21 |
| 6265501 | Treatment of metathesis catalysts for olefins in a vibratory helicoidal conveyor | Helene Olivier, Lucien Saussine | 2001-07-24 |
| 6235956 | Acetals, their preparation and their use | Francois Hugues, Alain Forestiere, Lucien Saussine | 2001-05-22 |
| 6235958 | Process for converting C5 olefinic cuts by metathesis using a catalyst based on rhenium and cesium | Francois Hugues, Lucien Saussine | 2001-05-22 |
| 6221986 | Process for converting ethylene to light alpha olefins | Serge Boivineau, Francois Hugues, Lucien Saussine | 2001-04-24 |
| 6207115 | Process and plant for the conversion of olefinic C4 cuts to polyisobutene and to propylene | Jean-Alain Chodorge, Jean Cosyns, Didier Duee, Bernard Torck | 2001-03-27 |
| 6159433 | Plant for the conversion of olefinic C.sub.4 and C.sub.5 cuts to an ether and to propylene | Jean-Alain Chodorge, Jean Cosyns, Didier Duee, Bernard Torck | 2000-12-12 |
| 6103654 | Catalytic composition and a process for converting ethylene to light alpha olefins | Serge Boivineau, Francois Hugues, Lucien Saussine | 2000-08-15 |
| 6075173 | Process for production of isobutene and propylene from hydrocarbon cuts containing four carbon atoms | Jean-Alain Chodorge, Jean Cosyns | 2000-06-13 |
| 6040483 | Process for hydroformylating olefins | Helene Olivier, Sebastien Drochon | 2000-03-21 |
| 6031145 | Catalytic composition and process for oligomerising ethylene in particular to 1-butene and/or 1-hexene | Sebastien Drochon, Lucien Saussine | 2000-02-29 |
| 5898092 | Supported catalyst containing rhenium and aluminum process for the preparation thereof and use for the metathesis of olefins | — | 1999-04-27 |
| 5898091 | Process and plant for the conversion of olefinic C.sub.4 and C.sub.5 cuts to an ether and to propylene | Jean-Alain Chodorge, Jean Cosyns, Didier Duee, Bernard Torck | 1999-04-27 |
| 5877376 | Conversion of ethylene into butene-1 using additives based on quarternary ammonium salts | Yves Chauvin, Francois Hugues, Yves Glaize | 1999-03-02 |
| 5877365 | Process and plant for the conversion of olefinic C.sub.4 cuts to polyisobutene and to propylene | Jean-Alain Chodorge, Jean Cosyns, Didier Duee, Bernard Torck | 1999-03-02 |
| 5817905 | Process for the conversion of ethylene into light alpha olefins with the use of additives based on quaternary ammonium salts | Yves Glaize, Francois Hugues, Pierre Panzarella, Lucien Saussine | 1998-10-06 |
| 5811619 | Method of production of improved purity light alpha olefines by ogliomerisation of ethylene | Yves Glaize, Francois Hugues, Lucien Saussine | 1998-09-22 |
| 5792895 | Process for the conversion of ethylene into but-1-ene using additives based on polymethylene glycols and derivatives thereof | Yves Chauvin, Francois Hugues, Yves Glaize | 1998-08-11 |
| 5747408 | Supported catalysts containing rhenium and aluminium, preparation thereof and use thereof for the metathesis of olefins | — | 1998-05-05 |
| 5747409 | Catalytic compositions based on compounds of rhenium and aluminium, preparation thereof and use thereof for the metathesis of olefins | — | 1998-05-05 |
| 5596115 | Compounds of rhenium and aluminium, preparation thereof and use thereof as catalysts | — | 1997-01-21 |
| 5496783 | Catalyst for the production of light alpha olefins by oligomerization of ethylene | Yves Chauvin, Francois Hugues, Helene Olivier, Lucien Saussine | 1996-03-05 |
| 5449852 | Process for the metathesis of olefins with an improved rhenium catalyst | Yves Chauvin | 1995-09-12 |