Patent application number | Description | Published |
20100010270 | HYDROFORMYLATION METHOD INVOLVING A COBALT-BASED CATATLYST IN A NON-AQUEOUS IONIC LIQUID - In a method for hydroformylating olefinically unsaturated compounds by means of a cobalt-based catalyst, used in a non-aqueous ionic liquid, liquid at a temperature below 100° C. and comprising at least one cation Q | 01-14-2010 |
20100022789 | Catalytic compositions for the metathesis of unsaturated fatty bodies with olefins and metathesis methods using catalytic compositions - Catalytic compositions useful for carrying out the metathesis of unsaturated fatty bodies, in particular unsaturated fatty bodies comprising oleic acid or oleic acid esters, contain a ruthenium-based catalyst which can be isolated and which has the formula (I) below: | 01-28-2010 |
20100228064 | PROCESS FOR HYDROGENATION OF AN AROMATIC FEEDSTOCK THAT AS CATALYST USES A SUSPENSION OF METAL NANOPARTICLES CONTAINING A NITROGEN-CONTAINING LIGAND IN AN IONIC LIQUID - This invention describes a process for hydrogenation of an aromatic feedstock that as a catalytic composition uses a suspension of metal nanoparticles of a mean size of between 1 and 20 nanometers in at least one non-aqueous ionic liquid, whereby said suspension also contains at least one nitrogen-containing ligand, in which said metal nanoparticles comprise a transition metal in the zero-valence state, whereby the transition metal is selected from the groups 8, 9, 10 and 11 of the periodic table and in which said nitrogen-containing ligand comprises 1 to n nitrogen atoms, whereby n is an integer of between 1 and 20. | 09-09-2010 |
20100286349 | NOVEL COMPLEXES AND METHOD FOR SYNTHESIS OF GROUP 4 ORGANOMETALLICS GRAFTED ON ANIONS OLEFIN OLIGOMERIZATION AND POLYMERIZATION METHOD - Novel group 4 organometallic compounds, supported on anions by means of at least one covalent metal-oxygen bond, are obtained by reaction of at least one borate or aluminium comprising at least one hydroxy group with at least one group 4 transition metal compound. These compounds are used in a catalytic composition implemented in an olefin oligomerization or polymerization method. | 11-11-2010 |
20110009581 | METHOD OF PREPARING A CATALYTIC COMPOSITION FOR DIMERIZATION, CO-DIMERIZATION AND OLIGOMERIZATION OF OLEFINS - The present invention describes a method of preparing a catalytic composition used for oligomerization, co-dimerization or polymerization of olefins, wherein the compound obtained upon contacting at least one iron compound with at least one nitrogen-containing compound is subjected to an oxidation stage prior to being mixed with an activating agent and optionally with a solvent. | 01-13-2011 |
20110009635 | NOVEL NITROGEN-CONTAINING ORGANIC COMPOUNDS USABLE AS CATALYTIC COMPOSITION PRECURSORS - The present invention describes novel nitrogen-containing organic compounds obtained by reacting a compound X of substituted pyridine type comprising at least one ketone function with a compound Y belonging to the aminoquinoleine family and derivatives thereof. Said organic compounds can be used as precursors in a catalytic composition. | 01-13-2011 |
20110098496 | NOVEL COMPLEXES AND METHOD FOR SYNTHESIS OF GROUP 6 ORGANOMETALLICS, AND USE THEREOF IN AN OLEFIN METATHESIS METHOD - Novel group 6 organometallic compounds are obtained by reaction of at least one boron compound comprising at least one hydroxy, sulfhydryl or amino function with at least one compound of a group 6 transition metal. These compounds are used in a catalytic composition utilized in an olefin metathesis method. | 04-28-2011 |
20110098497 | NOVEL COMPLEXES AND METHOD FOR SYNTHESIS OF GROUP 6 ORGANOMETALLICS GRAFTED ON ANIONS, AND USE THEREOF IN AN OLEFIN METATHESIS METHOD - Novel group 6 organometallic compounds, supported on anions by means of at least one covalent metal-oxygen bond, are obtained by reaction of at least one borate or aluminate comprising at least one hydroxy group with at least one compound of a group 6 transition metal. These compounds are used in a catalytic composition utilized in an olefin metathesis method. | 04-28-2011 |
20110263804 | PROCESS FOR THE PREPARATION OF A CATALYST COMPOSITION FOR DIMERIZATION, CODIMERIZATION AND OLIGOMERIZATION OF OLEFINS - This invention describes a process for the preparation of a catalytic composition that can be used for oligomerization, codimerization, or polymerization of olefins. This invention also describes the catalytic composition that can be obtained by said process for the preparation and its use for oligomerization, codimerization, or polymerization of olefins. | 10-27-2011 |
20110282119 | PROCESS FOR THE PRODUCTION OF A FUEL BASE FROM AN ETHYLENE FEEDSTOCK IMPLEMENTING AT LEAST ONE OLIGOMERIZATION STAGE IN THE PRESENCE OF A HOMOGENEOUS CATALYTIC SYSTEM - This invention describes a process for the production of bases for fuels (such as diesel and/or kerosene) from a C2 ethanol feedstock, whereby said process comprises at least a first stage for oligomerization of said feedstock into at least one hydrocarbon effluent that comprises a mixture of olefins that for the most part have between 4 and 30 carbons, whereby said olefin mixture comprises a C10-C24 fraction that has a mean linearity that is greater than 60%, in the presence of a homogeneous catalytic system that comprises at least one metal precursor that is selected from among the group that is formed by titanium, zirconium, hafnium, nickel and iron, taken by themselves or in a mixture, a second stage for oligomerization of at least a portion of the effluent that is obtained from stage a), into at least one hydrocarbon effluent that comprises a mixture of olefins that for the most part have between 4 and 30 carbon atoms, with said olefin mixture comprising a C10-C24 fraction that has a mean linearity that is less than 50%, in the presence of a homogeneous catalytic system that is identical to or different from the one that is used in stage a). | 11-17-2011 |
20110313221 | FLEXIBLE PROCESS FOR TRANSFORMATION OF ETHANOL INTO MIDDLE DISTILLATES IMPLEMENTING A HOMOGENEOUS CATALYTIC SYSTEM AND A HETEROGENEOUS CATALYTIC SYSTEM - The invention describes a process for the production of middle distillate hydrocarbon bases from an ethanol feedstock that is produced from a renewable source that is obtained from biomass, comprising a stage for purification of said feedstock, a stage for dehydration of said purified feedstock into an effluent that is for the most part ethylene and comprises water, at least one stage for separating water, a first stage for oligomerization of the effluent that is for the most part ethylene into at least one olefinic effluent that comprises at least 80% by weight of olefins that have four or more carbon atoms, in the presence of a homogeneous catalyst that comprises at least one bivalent nickel compound, whereby a second oligomerization stage produces middle distillate hydrocarbon bases in the presence of an amorphous or zeolitic catalyst that has at least pore openings that contain 10 or 12 oxygen atoms, producing middle distillate hydrocarbon bases, and a fractionation stage. | 12-22-2011 |
20130066128 | NOVEL NICKEL-BASED CATALYTIC COMPOSITION AND METHOD OF OLIGOMERIZATION OF OLEFINS USING SAID COMPOSITION - The present invention describes a novel catalytic composition comprising at least one nickel complex, said complex being obtained from a mixture comprising at least one nickel precursor A with at least one imino-imidazole ligand B and a method of oligomerization of olefins using said catalytic composition. | 03-14-2013 |
20130072732 | METHOD OF SEPARATING BUTENE-2 FROM A C4 CUT CONTAINING BUTENE-2 AND BUTENE-1 BY SELECTIVE OLIGOMERIZATION OF BUTENE-1 - The present invention describes a method of separating butene-2 from a C4 cut containing butene-2 and butene-1 by selective oligomerization of butene-1 to predominantly linear oligomers. Optional additional steps make it possible to separate isobutene, 1,3-butadiene as well as traces of acetylene hydrocarbons optionally present in the C4 feedstock. | 03-21-2013 |
20130072733 | METHOD OF SEPARATING PENTENE-2 FROM A C5 CUT CONTAINING PENTENE-2 AND PENTENE-1 BY SELECTIVE OLIGOMERIZATION OF PENTENE-1 - The present invention describes a method of separating pentene-2 from a C5 cut containing pentene-2 and pentene-1 by selective oligomerization of pentene-1 to dimers having a branching index less than or equal to 1. Optional additional steps make it possible to separate 2-methyl-2-butene, 2-methyl-1-butene, n-pentane, iso-pentane, pentadienes as well as traces of acetylene hydrocarbons optionally present in the C5 feedstock. | 03-21-2013 |
20130137911 | CATALYTIC COMPOSITION AND PROCESS FOR THE SELECTIVE DIMERIZATION OF ISOBUTENE - Catalytic composition comprising at least one Brønsted acid, designated HB, dissolved in a non-aqueous liquid medium of general formula Q | 05-30-2013 |
20130137912 | CATALYTIC COMPOSITION CONTAINING AN ACID FUNCTION AND A PROCESS FOR THE SELECTIVE DIMERIZATION OF ISOBUTENE - Catalytic composition comprising at least one non-aqueous ionic liquid medium of general formula Q | 05-30-2013 |
20130158321 | PROCESS FOR THE PRODUCTION OF OCTENES BY DIMERIZING ETHYLENE TO FORM BUTENES AND DIMERIZING THE BUTENES TO FORM OCTENES - The present invention describes a process for the production of octenes from ethylene by dimerizing ethylene to butenes and by dimerizing butenes to octenes. | 06-20-2013 |
20140235913 | PROCESS FOR METATHESIS OF OLEFINS OBTAINED FROM FISCHER-TROPSCH FRACTIONS USING A RUTHENIUM COMPLEX COMPRISING A SYMMETRIC N-HETEROCYCLIC DIAMINOCARBENE - This invention describes a process for metathesis of olefins from feedstocks obtained from the Fischer-Tropsch process, using as catalyst a ruthenium indenylidene complex comprising a saturated or unsaturated, symmetric N-heterocyclic carbene. | 08-21-2014 |
20140323671 | PROCESS FOR METATHESIS OF OLEFINS OBTAINED FROM FISCHER-TROPSCH FRACTIONS USING A RUTHENIUM COMPLEX COMPRISING A DISSYMMETRICAL N-HETEROCYCLIC DIAMINOCARBENE - This invention describes a process for metathesis of olefins from feedstocks obtained from the Fischer-Tropsch process, using as catalyst a ruthenium alkylidene complex comprising a saturated or unsaturated, dissymmetrical N-heterocyclic carbene (NHC) ligand. | 10-30-2014 |
20140352688 | PROCESS FOR PRETREATMENT OF LIGNOCELLULOSIC BIOMASS WITH A HYDRATED INORGANIC SALT COMPRISING A PRELIMINARY ACID HYDROLYSIS STAGE - A process for pretreatment of lignocellulosic biomass by
| 12-04-2014 |
20150031092 | PROCESS FOR PRETREATMENT OF THE LIGNOCELLULOSIC BIOMASS WITH A HYDRATED INORGANIC SALT MAKING IT POSSIBLE TO OBTAIN A CELLULOSIC FRACTION AND A HEMICELLULOSIC FRACTION - A method for pretreating lignocellulosic biomass by: a) acid hydrolysis with an acid solution resulting in a liquid fraction and a solid fraction, b) separating the solid fraction and the liquid fraction, c) drying the solid fraction, d) firing the dried solid fraction in a medium comprising at least one hydrated inorganic salt to obtain a solid fraction and a liquid fraction, e) separating the solid fraction and the liquid fraction obtained in d), f) optionally, treating said solid fraction obtained in e), g) enzymatic hydrolysis of said solid fraction obtained in e) and/or f), and wherein at least a portion of the liquid fraction obtained in b) is used to grow microorganisms which produce the enzymes necessary for the enzymatic hydrolysis of g). | 01-29-2015 |