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| Number | Title | Issue Date |
| 7968610 | Process for stabilizing the performances of a catalyst for Fischer Tropsch reaction Process for maintaining the stability of performances of a catalyst for Fischer-Tropsch reaction, performed in a slurry bubble column reactor under a triphase system which comprises gradually increasing the PH2O/PH2 ratio and the PH2O | 06/28/2011 |
| 7867741 | Polypeptides having an activity in the MTBE degradation path and uses thereof The invention concerns an isolated or purified polypeptide having an activity in the MTBE degradation path, and/or at least one of the catabolic intermediates of MTBE, preferably selected from the group consisting of tert-butyl alcohol (TBA), 2-methyl 1,2-propanedio... | 01/11/2011 |
| 7622099 | Process for preparation of ZBM-30-type zeolites using a diammonium ether-type compound as an organic structuring agent The invention relates to a process for preparation of a zeolite that is selected from among the ZBM-30, ZSM-48, EU-2 and EU-11 zeolites, comprising the mixing in an aqueous medium of at least one source of at least one element X (Si and/or Ge) and at least one nitro... | 11/24/2009 |
| 7579382 | Process for the charging of a catalyst into a reactor suitable for reactions in heterogeneous phase Process for the charging of a catalyst and for the running of a reactor in which reactions take place in multiphase systems, wherein a gaseous phase prevalently consisting of CO and H2 is bubbled into a suspension of a solid in the form of particles (catalyst) in a ... | 08/25/2009 |
| 7469781 | Feeding of a pressurised device with variable grain sizing solid A device for conveying inhomogenous solid matter, particularly biomass, includes an endless screw. The endless screw is located in a sleeve fitted with a counter screw, which allows better transportation, and the possible creation of a plug of compressed material at... | 12/30/2008 |
| 7422728 | Partial oxidation reactor A reactor intended to carry out partial oxidation reactions starting from liquid feedstocks that can go from GPL to gas oil for the purpose of producing synthesis gas is characterized by finely controlled hydrodynamics and a high degree of thermal integration, and c... | 09/09/2008 |
| 7288183 | Process for desulphurizing gasoline by adsorption The invention concerns a process for desulphurizing gasoline comprising a step for fractionating said gasoline under conditions in which a light fraction comprising the lightest thiophene compounds such as thiophene or methylthiophenes and a heavy fraction concentra... | 10/30/2007 |
| 7160836 | Materials comprising organic groups containing sulphur and phosphorous bonded to a mineral oxide via oxygen atoms The invention describes materials comprising organic groups containing sulphur and phosphorous bonded together by a hydrocarbon chain and bonded via phosphorous and oxygen atoms to a mineral oxide of an element M, said materials being characterized in that they comp... | 01/09/2007 |
| 7144559 | Device and process optimizing the circulation of a suspension in an installation comprising a Fischer-Tropsch reactor Installation for chemical conversion of a feedstock by Fischer-Tropsch reaction comprising a reactor that contains a slurry constituted by at least one suspension of at least one solid in a liquid, a gas feed, a circuit, external to the reactor, of continuous circul... | 12/05/2006 |
| 7117091 | Method for simulating the deposition of a sedimentary sequence in a basin The invention is a method relating to the formation by simulation of a reference map of the spatial distribution of the sediment supply, according to the composition thereof, in a sedimentary basin during a sedimentary deposition sequence (during a given geologic ti... | 10/03/2006 |
| 7032623 | Flexible pipe with high axial compression strength and method for making same The present invention relates to a flexible pipe structure wherein transverse displacement caused by buckling of the elongate elements of a tensile armouring layer when the pipe is being laid or used in deep sea is limited. The invention aims to reduce the play betw... | 04/25/2006 |
| 6972086 | Process comprising two gasoline hydrodesulfurization stages and intermediate elimination of H2S formed during the first stage The invention relates to a process for the production of gasoline with a low sulfur content comprising at least three stages: a first stage in which the sulfur-containing compounds present in the gasoline are at least partially transformed into H2S and into saturate... | 12/06/2005 |
| 6911410 | Catalyst composition containing an aluminoxane for dimerizing, co-dimerizing and oligomerizing olefins A catalyst composition for use in dimerizing, co-dimerizing or oligomerizing olefins results from dissolving a nickel compound, optionally mixed or complexed with a ligand, in a medium resulting from mixing: at least one quaternary... | 06/28/2005 |
| 6890364 | Diesel fuel compounds containing glycerol acetals A diesel fuel compound has a major proportion of at least one diesel fuel and a minor proportion of at least one glycerol acetal corresponding to one of general formulas: in which: R1... | 05/10/2005 |
| 6886393 | Method and device for detecting deposit in a conduit The invention relates to an installation for implementing a method for detecting a deposit (D) that might form inside a fluid transport pipe (2). According to the invention, the installation comprises: at least one productio... | 05/03/2005 |
| 6863879 | Installation and process for the production of synthesis gas comprising a reactor for steam reforming and a reactor for converting CO2 heated by a hot gas Installation for the production of synthesis gas from a hydrocarbon feedstock comprising at least one reactor for steam reforming, at least one reactor for converting CO2 that is equipped with at least one feed means by the effluent that is obtained from ... | 03/08/2005 |
| 6860908 | Petroleum middle distillate composition containing a substance for limiting the paraffin sedimentation rate A middle petroleum distillate composition containing a major proportion of middle petroleum distillate and a minor proportion of an additive in a sufficient amount to limit the settling speed of paraffins contained in said middle distillate. Said additive consists o... | 03/01/2005 |
| 6849445 | Process for treatment of aqueous effluents that contain methyl-tert-butyl ether and/or methyl-tert-amyl ether by mycobacterium austroafricanum I-2562 A process for treatment of aqueous effluents, for example, an aquifer, that contains at least methyl-tert-butyl ether (MTBE) or methyl-tert-amyl ether (TAME) so as to reduce the concentration of said ether is described, characterized in that a Mycobacterium austr... | 02/01/2005 |
| 6838588 | Process for co-producing para-xylene and metaxylene, comprising two separation steps A process is described for co-producing metaxylene and paraxylene from a hydrocarbon feed comprising two separation steps. The first step of the process is a counter-current simulated moving bed system in a chromatographic column containing at least five zones, comp... | 01/04/2005 |
| 6838060 | Process and apparatus for the production of catalytic cracking gasoline with a low sulphur content An apparatus for the production of gasolines with a low sulphur content from a catalytic cracking gasoline, comprising a fractionation column (1) provided with a line (2) for introducing raw gasoline from a catalytic cracking step and comprising at lea... | 01/04/2005 |
| 6830678 | Process of desulphurizing gasoline comprising desulphurization of the heavy and intermediate fractions resulting from fractionation into at least three cuts The invention relates to a process of producing gasoline with a low sulphur content from a feedstock containing sulphur. This process comprises at least one step a1 of selectively hydrogenating the diolefins and acetylenic compounds, at least one separation of the g... | 12/14/2004 |
| 6824675 | Distribution device for producing a polyphase mixture, and associated reactor A device for producing and distributing a polyphase mixture between two fluids comprises a chamber for the passage of a first fluid, said chamber being pierced by perforated tubes or conduits to pass a second fluid in a different physical state than the first fluid ... | 11/30/2004 |
| 6809228 | Process combining hydroisomerisation and separation using a zeolitic adsorbent with a mixed structure for the production of high octane number gasolines For producing a gasoline stock with a high octane number, employed are at least one hydroisomerisation section and at least one section for adsorptively separating multibranched paraffins contained in a constituted by a C5 to C8 cut. The separation section contains ... | 10/26/2004 |
| 6807508 | Seismic prospecting method and device using simultaneous emission of seismic signals based on pseudo-random sequences A seismic prospecting method and device is disclosed using simultaneous emission, by vibrators, of seismic signals obtained by phase modulating a periodic signal whose amplitudes and derivatives with respect to the amplitude time are equated to zero at the beginning... | 10/19/2004 |
| 6793805 | Process for capturing mercury and arsenic comprising evaporation then condensation of a hydrocarbon-containing cut A process for capturing mercury and possibly arsenic comprising at least: a) vaporising (or flashing, step a1) then condensing a hydrocarbon-containing feed (step a2) without separating said feed; b) treating the effluent from step a2 comprising at lea... | 09/21/2004 |
| 6783661 | Process for producing oils with a high viscosity index A process for producing oils with high viscosity indices from oil distillates or effluents from a conversion unit comprises the following steps: a) catalytic hydrotreatment of the feed in the presence of hydrogen and a non zeolitic catalyst; b) fractio... | 08/31/2004 |
| 6733658 | EU-1 zeolite catalyst and a process for the reduction of the pour point of feeds containing paraffins The invention concerns a process for improving the pour point of a feed comprising paraffins containing more than 10 carbon atoms, in which process the feed to be treated is brought into contact with a catalyst comprising an EU-1 zeolite and at least one hydro-dehyd... | 05/11/2004 |
| 6719895 | Catalyst comprising a zeolite Y globally non-dealuminated and containing boron and/or silicon The present invention relates to a hydrocracking process including contacting a hydrocarbon feed with a catalyst which is carried out at a pressure of at least 2 MPa, a temperature of at least 230° C., using a quantity of hydrogen of at least 100 Nl hydrogen/l of f... | 04/13/2004 |
| 6712973 | Process and device for separation with variable-length chromatographic zones A process for separating at least one component of a mixture in a set of closed-loop chromatographic columns is described, whereby the loop comprises at least one feedstock injection point, a raffinate draw-off point, an eluant injection point, and an extract draw-o... | 03/30/2004 |
| 6712953 | Catalyst that contains a zeolite that is high in an element of group VIB and/or VIII and its use in hydrorefining and hydrocracking of hydrocarbon fractions The invention relates to a catalyst that contains at least one matrix, at least one zeolite and at least one hydro-dehydrogenating element that is located at the matrix (deposited on the catalyst or contained in the matrix), in which the zeolite contains in its poro... | 03/30/2004 |
| 6709639 | Apparatus for purification of raw gasoline from catalytic cracking An apparatus for the purification of catalytic cracking gasolines containing dienic and/or acetylenic impurities, and mercaptans, said apparatus comprising at least one selective hydrogenation reactor 3 containing at least one fixed catalyst bed, and having a... | 03/23/2004 |
| 6696616 | Process for co-production of metaxylene and paraxylene For co-production of metaxylene and paraxylene from a hydrocarbon feedstock in a simulated moving bed in a chromatographic column (1) that contains a number of beds 1, 2,3, 4 . . . of an adsorbent, interconnected in a loop, the column comprises an injecti... | 02/24/2004 |
| 6686510 | Production of high-purity isobutene and propylene from hydrocarbon fractions with four carbon atoms A process for production, from an olefinic C4 fraction, on the one hand, of high-purity isobutene and, on the other hand, of propylene by metathesis is described. The process comprises three successive stages: 1) the selective hydrogenation of butad... | 02/03/2004 |
| 6655132 | Combustion control by particle filter regeneration Process and device for controlling the regeneration of an element filtering oxidable particles carried along by a gaseous stream, by periodic combustion of these particles, such as, for example, the carbon-containing particles carried along in the exhaust... | 12/02/2003 |
| 6630112 | Process and unit for carrying out a reaction on an organic feed, such as dimerization or metathesis, in the presence of a polar phase containing a catalyst A process for carrying out a reaction on an organic feed, for example dimerization, co-dimerization, oligomerization or metathesis of olefins, as described in which the catalyst is a catalytic metal compound dissolved in a non-aqueous ionic medium which i... | 10/07/2003 |
| 6596265 | Use of sophorolipids comprising diacetyl lactones as agent for stimulating skin fibroblast metabolism The invention concerns the use of sophorolipids in lactone form comprising a major part of diacetyl lactones as agent for stimulating skin dermal fibroblast cell metabolism and more particularly as agent for stimulating collagen neosynthesis, at a concent... | 07/22/2003 |
| 6590832 | Vibrator and method of exploring a material medium by means of very low-frequency elastic vibrations Vibrator comprising a single vibration generator coupled with the medium by a coupling element and means for controlling the generator, suited to apply thereto, on each emission, a single pilot signal obtained by combination of at least two signals of dif... | 07/08/2003 |
| 6537336 | Diesel fuel compositions containing oxygenated compounds derived from tetrahydrofurfuryl Diesel fuel compositions containing oxygenated compounds derived from tetrahydrofurfuryl having to the general formula: ##STR1## in which --X-- is chosen from: --O-- and --O--[CH2 --O]n -- with n comprised between 1 and 20 and --R is chos... | 03/25/2003 |
| 6500330 | Hydrocracking process with catalyst comprising a zeolite Y not globally dealuminized, an element of group VB, and a promoter element of boron, phosphorus and silicon The invention relates to a hydrocracking catalyst comprising at least one amorphous or poorly crystallized matrix of the oxide type, at least one element of group VB, preferably niobium, and at least one zeolite Y not globally dealuminized, at least one p... | 12/31/2002 |
| 6469216 | Process for hydroformylation using a catalyst based on cobalt and/or rhodium employed in a two-phase medium In an improved process for hydroformylation of olefinically unsaturated compounds using a catalyst based on cobalt and/or rhodium employed in a two-phase medium, a catalyst based on cobalt and/or rhodium is used dissolved in a non-aqueous ionic solvent wh... | 10/22/2002 |
