Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11604024 | Method for producing pure nitrogen from a natural gas stream containing nitrogen | Sébastien Lichtle, Marie Muhr | 2023-03-14 |
| 11060037 | Method for purifying a gas rich in hydrocarbons | Nicolas Chambron, Pierre Costa De Beauregard | 2021-07-13 |
| 10744447 | Method of processing a feed natural gas to obtain a processed natural gas and a cut of C5+ hydrocarbons, and associated installation | Sylvain Vovard | 2020-08-18 |
| 9759481 | Method for producing a flow which is rich in methane and a cut which is rich in C2+ hydrocarbons from a flow of feed natural gas and an associated installation | Sandra Thiebault, Loic Barthe | 2017-09-12 |
| 9506690 | Process for the production of a subcooled liquefied natural gas stream from a natural gas feed stream, and associated installation | Sylvain Vovard | 2016-11-29 |
| 9316434 | Process for producing liquid and gaseous nitrogen streams, a gaseous stream which is rich in helium and a denitrided stream of hydrocarbons and associated installation | Sylvain Vovard | 2016-04-19 |
| 8752401 | Method for producing a flow which is rich in methane and a cut which is rich in C2+ hydrocarbons from a flow of feed natural gas and an associated installation | Sandra Thiebault, Loic Barthe | 2014-06-17 |
| 7628035 | Method for processing a stream of LNG obtained by means of cooling using a first refrigeration cycle and associated installation | — | 2009-12-08 |
| 7552598 | Process for sub-cooling an LNG stream obtained by cooling by means of a first refrigeration cycle, and associated installation | — | 2009-06-30 |
| 7458232 | Method and installation for producing treated natural gas, a C3+ hydrocarbon cut and an ethane rich stream | — | 2008-12-02 |
| 7237407 | Process and plant for the simultaneous production of an liquefiable natural gas and a cut of natural gas liquids | — | 2007-07-03 |
| 7185514 | Method and installation for fractionating gas derived from pyrolysis of hydrocarbons | — | 2007-03-06 |
| 7152429 | Method and installation for separating a gas containing methane and ethane with two columns operating at two different pressures | — | 2006-12-26 |
| 7096688 | Liquefaction method comprising at least a coolant mixture using both ethane and ethylene | — | 2006-08-29 |
| 6898949 | Method for refrigerating liquefied gas and installation therefor | — | 2005-05-31 |
| 6578379 | Process and installation for separation of a gas mixture containing methane by distillation | — | 2003-06-17 |
| 6449984 | Process for liquefaction of and nitrogen extraction from natural gas, apparatus for implementation of the process, and gases obtained by the process | — | 2002-09-17 |
| 6368385 | Process and apparatus for the purification of natural gas and products | — | 2002-04-09 |
| 6105389 | Method and device for liquefying a natural gas without phase separation of the coolant mixtures | Alexandre Rojey | 2000-08-22 |
| 5670027 | Method of drying a gas making use of a distillation of a liquid desiccant agent | — | 1997-09-23 |
| 5461870 | Self-refrigerated method of cryogenic fractionation and purification of gas and heat exchanger for carrying out the method | — | 1995-10-31 |
| 5421165 | Process for denitrogenation of a feedstock of a liquefied mixture of hydrocarbons consisting chiefly of methane and containing at least 2 mol % of nitrogen | Christine Mangin, Claude Blanc | 1995-06-06 |
| 5298156 | Simultaneous decarbonation and gasoline stripping of hydrocarbons | Claude Blanc | 1994-03-29 |
| 5291736 | Method of liquefaction of natural gas | — | 1994-03-08 |
| 5114450 | Method of recovering liquid hydrocarbons in a gaseous charge and plant for carrying out the method | Michel Leroy | 1992-05-19 |