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| Number | Title | Issue Date |
| 7232548 | Transport device for analyzing hydrocarbon-containing constituents An analysis and/or measuring device includes means for extracting, in the gaseous form, hydrocarbons contained in a liquid fluid, means for transporting said extracted gases, and means intended for analysis and measurement on these extracted gases. The transport mea... | 06/19/2007 |
| 7223374 | Hydroformylation process employing a cobalt-based catalyst in a non-aqueous liquid with improved catalyst recycling A process for hydroformylating olefinically unsaturated compounds by means of a cobalt-based catalyst is carried out in a non-aqueous ionic liquid which is a liquid at a temperature below 90° C. and comprises at least one ammonium and/or phosphonium and/or sulfoniu... | 05/29/2007 |
| 7198712 | Processing for eliminating sulfur-containing compounds and nitrogen-containing compounds from hydrocarbon For desulfurization and, if necessary, for denitrification of hydrocarbon fractions the hydrocarbon mixture is brought into contact with a non-aqueous ionic liquid of general formula Q+A−, wherein Q+ is a ammonium, phosphonium or s... | 04/03/2007 |
| 7192565 | Method of collecting mercaptans contained in a gaseous feed The gaseous feed flowing in through line 1 is contacted in contacting zone ZA with a liquid solvent flowing in through line 2. The solvent comprises between 0.001% and 100% by weight of a liquid olefin. Contacting in zone ZA is carried out in the prese... | 03/20/2007 |
| 7192526 | Method of optimizing the operation of a xylene separation unit using simulated countercurrent Method of optimizing the operation of a unit intended for separation of the components of a feed (xylenes) by simulated countercurrent in hybrid operating mode. The method allows to minimize the solvent ratio and to maximize the capacity of the separation uni... | 03/20/2007 |
| 7191071 | Method of determining the components of an effective permeability tensor of a porous rock The invention is a method of determining all the components of an absolute permeability tensor of a porous medium sample from permeability measurements, obtained for example by placing the sample in a permeameter which is useful for fast determination of permeabilit... | 03/13/2007 |
| 7182923 | Reaction chamber that comprises a jacket that contains at least one module that is connected by flexible means to the jacket and that contains heat exchange means A device has a reaction chamber with at least one feed inlet (5) and at least one evacuation outlet (10). An outside jacket (2a) that is resistant to internal pressure is positioned around the device and contains at least one module (4... | 02/27/2007 |
| 7182922 | Device for mixing and distributing a gas phase and a liquid phase supplied to a granular bed For mixing and distributing a gas phase and a liquid phase over a granular bed, employing an annular peripheral zone inside a reactor via which liquid is introduced and which acts as a buffer zone against fluctuations in the flow of the liquid phase. The device is a... | 02/27/2007 |
| 7179366 | Catalyst based on a group VI metal and a group VIII metal at least partially present in the form of heteropolyanions in the oxide precursor A catalyst contains at least one group VIII element and at least molybdenum and/or tungsten, said elements being present at least in part in the catalyst in the dry state in the form of at least one heteropolyanion with formula MxAB6O24 | 02/20/2007 |
| 6402430 | Method and device for adjusting the buoyance of an offshore drilling pipe riser A riser for drilling with a subsea wellhead and a method for adjusting the boyancy of a pipe. The riser includes tubular elements (1) linked together by connecting devices (2). The elements include a floating device consisting of a box (6) in which a dete... | 06/11/2002 |
