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WO/2007/010453A2 |
According to the present invention there is provided a compound in the form of a transition metal compound including a transition metal, a phosphorus containing ligand, and a cyclic organic ligand. The phosphorus containing ligand is a h...
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WO/2006/135631A2 |
The present invention provides heterogeneous organometallic catalysts for alkyne metathesis, including the metathesis of internal alkynes. Organometallic precursors are covalently bonded to the oxygen atoms of metal oxide supports to for...
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WO/2006/132902A2 |
A cross-metathesis process for preparing an α, ω-functionalized olefin, such as methyl 9-decenoate, and an α-olefin having three or more carbon atoms, such as 1-decene. The process involves contacting in a first reaction zone an α-fu...
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WO/2006/132706A2 |
A process is disclosed for the preferential conversion to 2-butene of a stream containing C4 compounds including 1-butene and 2-butene. The process involves mixing the C4 stream with a first hydrogen stream to form a feed stream, hydrois...
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WO/2006/107452A1 |
A process for producing an alkylated aromatic compound from polyalkylated aromatic compound(s) having bi-alkylated aromatic compound(s) and tri-alkylated aromatic compound(s), comprising the step of contacting alkylatable aromatic compou...
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WO/2006/107462A1 |
Disclosed herein is a process and catalyst for producing a monoalkylated aromatic compound from a polyalkylated aromatic compound, comprising the step of contacting an alkylatable aromatic compound with a polyalkylated aromatic compound ...
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WO/2006/097618A1 |
The invention concerns a method for combined production of paraxylene and benzene, including: separating by adsorption in simulated mobile bed (SMB) a first feed, to produce an extract (E) rich in paraxylene and at least one raffinate (R...
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WO/2006/093058A1 |
Provided is a method for producing olefins by a metathesis reaction with a catalyst improved in reactivity at a practically low temperature. The method for producing olefins uses a compound containing at least one metal element of the me...
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WO/2006/089957A1 |
The invention relates to a method for producing a compound or a mixture of a non-aromatic C-C-double bond or C-C-triple bond compounds (compound A) from another compound or a mixture of other non-aromatic C-C-double bond or C-C-triple bo...
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WO/2006/089956A2 |
The invention relates to a method for producing a product flow substantially consisting of ethene (C2 =flow), a product flow substantially consisting of propene (C3 =flow), a product flow substantially consisting of isobutene and, option...
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WO/2006/089675A1 |
The invention relates to a method for carrying out a ring-opening crossed metathesis reaction between a liquid cyclic olefin and an acyclic olefin as reaction gas on a metathetically active catalyst system as a solid bed and a plant suit...
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WO/2006/079027A2 |
The management of hydrogen in hydrogen-containing streams associated with petrochemical process units wherein the hydrogen-containing stream is subjected rapid cycle pressure swing adsorption to increase the concentration of hydrogen the...
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WO/2006/075021A1 |
The invention relates to a method for carrying out continuous olefin ring closing metatheses (RCM), wherein compressed carbon dioxide (gaseous, liquid or supercritical) is used as a solvent for the liquid or solid reactant and the produc...
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WO/2006/069615A1 |
The invention relates to a multi-step chemical transformation process for the production of 2,6-dimethylnaphthalene starting from one or more naphthalene hydrocarbons or hydrocarbon blends containing the same, one or more benzene hydroca...
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WO/2006/063095A2 |
A method of producing single carbon number olefins and/or a narrow distribution of olefin products on demand and not as part of a distribution is described. The invention also relates to the olefins so produced, including, e.g., 1-octene...
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WO/2006/060354A1 |
An olefin metathesis process and a catalyst composition suitable for such process comprising (a) rhenium, (b) one or more metal(s) from Columns 5 and 6 of the Periodic Table, and (c) a support made from an alumina; wherein surface area o...
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WO/2006/052324A1 |
A catalyst composition, a process for producing the composition and a process for the conversion of a feedstock containing C9+ aromatic hydrocarbons to produce a resulting product containing lighter aromatic products and less than about ...
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WO/2006/052688A2 |
A process for producing propylene from a C4 feed containing 2-butene includes contacting said feed with ethylene in a metathesis reaction zone containing a metathesis catalyst under metathesis reaction conditions to provide an effluent i...
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WO/2006/049671A2 |
A process for the production of propylene from the metathesis of ethylene and 2-butene is disclosed wherein a mixed C4 stream is first treated to enrich and separate the 2-butene from 1-butene and isobutene by isomerization of 1-butene a...
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WO/2006/047105A2 |
A process for separating a homogeneous metathesis catalyst and, optionally, one or more homogeneous metathesis catalyst degradation products from a metathesis reaction mixture containing in addition to said metathesis catalyst and said m...
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WO/2006/040160A1 |
The invention relates to a C4-olefin mixture having a 1,3-butadiene content of between 100 and 500 ppm and a 1,2-diene content of less than 10 ppm. The invention also relates to a method for producing said C4-olefin mixture, and to the u...
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WO/2006/024366A1 |
Disclosed is a method for producing C5 aldehydes and propene from a C4 stream containing 1-butene, 2-butene, and up to 1000 ppm of 1,3-butadiene (initial C4 stream). Said method comprises a) a hydroformylation stage in which the initial ...
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WO/2006/018161A2 |
The invention relates to immobilizable ruthenium(II)-catalysts having general formulae (I) and (II), containing an SiR'n(OR')3-n structural group on at least one of the two anions. The invention also relates to a method for the productio...
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WO/2006/013263A1 |
The invention relates to a method for metathesis of one or several reagents comprising a linear or branched hydrocarbon chain containing a double olefinic bond Csp2= Csp2 consisting in reacting said reagent or reagents with a supported m...
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WO/2006/013251A1 |
The invention relates to a method for converting ethylene into propylene consisting in reacting said ethylene with a supported metal compound comprising an aluminium oxide based support to which a tungsten hydride is grafted. Said reacti...
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WO/2006/002805A1 |
The present invention relates to a new zeolite having a beta-type crystalline structure, characterized by a distribution of the Lewis acid sites and Brønsted acid sites corresponding to a molar ratio [Lewis sites] [Brønsted sites] equa...
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WO/2005/118515A1 |
The invention relates to a catalytic method for the transalkylation/dealkylation of organic compounds, consisting in bringing a supply comprising organic compounds into contact with a catalyst containing a first zeolitic component that i...
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WO/2005/113439A1 |
A family of microporous aluminosilicate zeolites and substituted versions thereof which are identified as UZM-8 and UZM-8HS have been prepared. These UZM-8 compositions can be prepared using either only one or more organoammonium cations...
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WO/2005/113438A1 |
An aluminosilicate zeolite and substituted version designated UZM-16 have been synthesized. These zeolites are prepared using benzyltrimethyl-ammonium (BzTMA) cation or a combination of BzTMA and at least one other quaternary ammonium ca...
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WO/2005/110951A1 |
A method for forming propylene wherein ethylene is employed as a primary feed material in a combination of steps comprising dehydration, skeletal isomerization, and metathesis to form a versatile product mix that can contain one or more ...
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WO/2005/105286A2 |
A heterogeneous catalyst is described, active in the metathesis reaction of olefins comprising alumina as inert carrier and a rhenium compound as active component, characterized in that rhenium is present in an amount of less than 5% by ...
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WO/2005/097714A1 |
A catalyst, and a process for using the catalyst, that effectively converts and transalkylates indane and C10 and heavier polycyclic aromatics into C8 aromatics is herein disclosed. The catalyst comprises a solid-acid support such as mor...
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WO/2005/095309A1 |
Disclosed herein is a method of making xylene isomers. More specifically, the method includes contacting a C9 aromatics-comprising feed with a catalyst under conditions suitable for converting the feed to an intermediate product stream c...
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WO/2005/092822A1 |
A process for controlling the hydrogenation activity of a catalyst comprised of a crystalline molecular sieve and at least one hydrogenation metal selected from the group consisting of a Group VIIB metal, a Group VIII metal, and mixtures...
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WO/2005/091697A2 |
The invention provides N,N'-disubstituted monothiourea or bisthiourea-Pd(0) complexes that are useful as catalysts for palladium-catalyzed Heck reaction of aryl iodides and bromides with olefins, and as catalysts for palladium catalyze...
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WO/2005/082532A1 |
The invention relates to a supported catalyst consisting of a support (T) comprising at least 75 wt. % Al2O3 and rhenium compounds as the active component (A). According to the invention, the maximum distribution function of the pore dia...
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WO/2005/082819A2 |
Improved catalysts useful in a number of organic synthesis reactions such as olefin metathesis and atom or group transfer reactions are made by bringing into contact a multi-coordinated metal complex comprising a multidentate Schiff base...
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WO/2005/080302A1 |
The invention relates to the production of olefins or olefin mixtures comprising 8 to 12 carbon atoms by means of a four-stage synthesis from one or several olefins containing 4 to 6 carbon atoms. Said four-stage synthesis encompasses th...
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WO/2005/077866A1 |
A process for alkylation of a hydrocarbon compound includes providing a catalyst including a zeolite Y having a crystal size of no more than 100 nm, and reacting an alkylatable hydrocarbon with an alkylating agent in the presence of the ...
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WO/2005/075502A1 |
A method of diminishing the concentration of a transition metal complex from a first solution by adding a solubility-enhancing compound that enhances the solubility of said complex in a second solution and extracting the first solution w...
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WO/2005/056182A1 |
A process for removing ruthenium or ruthenium-containing compounds from a reaction mixture comprising a compound of formula (I) in an organic solvent using supercritical fluid processing techniques wherein RA, R3, R4, D and A are as defi...
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WO/2005/053735A1 |
A process for diminishing the concentration of a metal complex from a solution containing said complex by the addition of an optionally fused and/or optionally substituted heterocyclic compound. The added compound is a solubility-enhanci...
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WO/2005/051534A1 |
A process is described for the preparation of a heterogeneous catalyst containing rhenium as active component and an inert carrier medium. characterized in that said inert carrier is previously treated with a silanizing compound containi...
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WO/2005/049534A1 |
An ethane or other hydrocarbon feedstock is steam cracked to produce an ethylene stream which is processed in an ethylene plant recovery section to separate an ethane recycle and a polymer grade or chemical grade ethylene product stream....
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WO2005009929B1 |
In order to maximize the production of propylene when the external supply of ethylene is limited, the C4 cut from a hydrocarbon cracking process is first subjected to autometathesis prior to any isobutylene removal and without any ethyle...
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WO/2005/035121A2 |
This invention relates to metal complexes which are useful as catalysts components in olefin metathesis reactions, atom or group transfer radical polymerisation or addition reactions and vinylation reactions.
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WO/2005/030681A1 |
The invention relates to a method for the production of 1.7 octadiene by reacting metathesis of cyclohexene with ethylene. The invention also relates to the production of 1.10-decandiol by hydroformulating 1.7 octadiene produced accordin...
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WO/2005/023420A1 |
A process for olefin production by which one or more olefins are yielded from two or more olefins as raw materials in the presence of a catalyst comprising a regularly mesoporous substance and supported thereon one or more members select...
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WO/2005/018806A1 |
In a process for preparing a selectivated catalyst composition useful in the disproportionation of toluene, a catalyst comprising an acidic molecular sieve is contacted with a boron compound at a temperature in excess of 500°C; and the ...
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WO/2005/016524A2 |
The invention relates to a method for the production of N,N-disubstituted imidazolium salts, N-heterocyclic carbene ligands and ruthenium catalysts with N-heterocyclic carbene ligands, in other words, compounds of general formulae (I) an...
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