Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6156950 | Process for separating a C5-C8 feed or an intermediate feed into three effluents, respectively rich in straight chain, non-branched and multi-branched paraffins | Karine Ragil, Isabelle Prevost, Olivier Clause, Benoit Millot | 2000-12-05 |
| 5907924 | Method and device for treating natural gas containing water and condensible hydrocarbons | Jean-Claude Collin, Alexandre Rojey | 1999-06-01 |
| 5868004 | Process for dehydrating and degassing a gas, comprising a preliminary cooling step | Alexandre Rojey, Nicole Doerler, Etienne Lebas | 1999-02-09 |
| 5868005 | Process for dehydrating and degassing a gas, comprising two complementary solvent regeneration steps | Nicole Doerler, Etienne Lebas, Alexandre Rojey | 1999-02-09 |
| 5797981 | Process for de-acidifying a gas for production of concentrated acid gases | Jean-Claude Collin, Alexandre Rojey | 1998-08-25 |
| 5782958 | Process for the dehydration, deacidification and stripping of a natural gas, utilizing a mixture of solvents | Alexandre Rojey, Etienne Lebas, Ari Minkkinen | 1998-07-21 |
| 5735936 | Process and apparatus for eliminating at least one acid gas by means of a solvent for the purification of natural gas | Ari Minkkinen, Pierre Capron | 1998-04-07 |
| 5510567 | Method of separating a mixture of gases by absorption | Christophe Lermite, Alexandre Rojey | 1996-04-23 |
| 5501776 | Process for the regeneration of a desiccant | Christophe Lermite, Jean-Claude Amande, Bernard Chambon | 1996-03-26 |
| 5456823 | Process for dehydration and/or desalination and for simultaneous fractionation of a petroleum deposit effluent | Christophe Lermite, Alexandre Rojey | 1995-10-10 |
| 5389242 | Process for the fractionation of oil and gas on a petroleum deposit effluent | Christophe Lermite, Alexandre Rojey | 1995-02-14 |
| 5351756 | Process for the treatment and transportation of a natural gas from a gas well | Ari Minkkinen | 1994-10-04 |
| 5316628 | Process and device for the simultaneous transfer of material and heat | Jean-Claude Collin, Alexandre Rojey, Jean-Charles Viltard | 1994-05-31 |
| 5213763 | Device and method for transferring a fluid sample between two chambers and application in particular to gas chromatography | Alain Richecoeur, Annick Pucci, Jose Sanchez | 1993-05-25 |
| 5185486 | Method of reducing the benzene content of gasolines | Jean-Claude Collin, Bernard Juguin, Alexandre Rojey | 1993-02-09 |
| 5138113 | Process for producing alkylaromatic hydrocarbons from natural gas | Bernard Juguin, Jean-Claude Collin, Christian Busson | 1992-08-11 |
| 5127231 | Process and apparatus for transporting and treating a natural gas | Jean-Claude Collin, Ari Minkkinen, Alexandre Rojey | 1992-07-07 |
| 4979966 | Process and apparatus for the dehydration, deacidification, and separation of a condensate from a natural gas | Alexandre Rojey, Annick Pucci | 1990-12-25 |
| 4822948 | Self-cooled process for extracting heavy hydrocarbon fractions | Alexandre Rojey | 1989-04-18 |
| 4775395 | Integrated process for the treatment of a methane-containing wet gas in order to remove water therefrom | Alexandre Rojey | 1988-10-04 |
| 4622825 | Absorption method for the generation of cold and/or heat using a mixture of several constituents as working fluid | Alexandre Rojey | 1986-11-18 |
| 4606741 | Process for purifying natural gas | Claude J. Moreau, Alexandre Rojey | 1986-08-19 |
| 4575387 | Process for separating a multi-component gaseous mixture | Alexandre Rojey | 1986-03-11 |
| 4420946 | Process for producing cold operated with phase separation | Alexandre Rojey, Alain Barreau | 1983-12-20 |
| 4237964 | Heat exchange process with heat accumulation | Alexandre Rojey | 1980-12-09 |