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WO/2005/016522A1 |
The invention relates to immobilizable ruthenium catalysts having N-heterocyclic carbene ligands of the general formulae (I) and (II), which comprise a SiR'n(OR')3-n carrying group on one of the two nitrogen atoms of the NHC ligand. The ...
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WO/2005/016855A2 |
A catalyst system containing an ionic liquid dispersed on a support having an average pore diameter greater than about 225Å is disclosed. The catalyst system is employed in a process to disproportionate a C5 paraffin.
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WO/2005/014169A1 |
A method is disclosed for modifying a catalytic molecular sieve for shape-selective hydrocarbon conversions comprises: a) selectivating said catalytic molecular sieve by contacting with a silicon containing selectivating agent; and b) ca...
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WO/2004/110967A1 |
A process for producing propylene is provided which includes directing an ethylene stream from an ethylene reaction zone to a propylene reaction zone; directing a butene stream to the propylene reaction zone; reacting the ethylene stream...
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WO/2004/110965A1 |
A process for the production of alkylbenzene includes introducing benzene and an olefin feed into a first alkylation reaction zone in the presence of a first alkylation catalyst under first alkylation reaction conditions to produce a fir...
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WO/2004/094566A1 |
A process for reducing the aromatic content of a hydrocarbon fluid containing a polycyclic aromatic compound that comprises a transalkylation step and a hydrogenation step.
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WO/2004/094564A1 |
A process for making an ethylated polycyclic aromatic compound in a mixed aromatic fluid, the process comprising contacting the mixed aromatic fluid containing a polycyclic aromatic compound and a monocyclic aromatic compound having an e...
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WO/2004/089541A2 |
The invention relates to a supported metal compound, comprising a support made from aluminium oxide to which a tungsten hydride is grafted. The support may be selected from the homogeneous supports with a composition based on aluminum ox...
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WO/2004/078343A1 |
The invention relates to a method for a Re2O7 doped catalyst support deactivated (deactivated catalyst) by a hydrocarbon mixture containing C2-C6 olefin (C2-6 lot) used during a metathesis. The inventive method consists in treating the d...
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WO/2004/078681A2 |
A process for producing an alkylaromatic compound includes contacting a dilute olefin feed with a lean oil stream containing aromatic compound and alkylaromatic compound in an absorption zone to provide an alkylation reaction stream cont...
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WO/2004/076387A2 |
A process for the production of alkylbenzene includes the steps of introducing benzene and an olefin feed into a first alkylation reaction zone in the presence of a first alkylation catalyst under first alkylation reaction conditions to ...
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WO/2004/067446A2 |
The invention provides sumanene and derivatives thereof and a process for the production of both. As represented by the scheme (1), benzotris- (norbornadiene) (87) is synthesized from norbornadiene (86) and then converted by metathesis i...
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WO/2004/062763A2 |
A process for producing industrially important chemicals from renewable resources is disclosed. This 'biobased' process employs readily available, renewable resources comprising fatty acids rather than exploiting fossil sources, such as ...
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WO/2004/062782A2 |
Process for the alkylation of an aromatic substrate with partial recycling of the alkylated product. A feedstock comprising an aromatic substrate and an alkylating agent is introduced into an alkylation reaction zone and into contact wit...
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WO/2004/056728A1 |
According to the present invention there is provided a metathesis reaction between at least two olefinic compounds which are the same or different, each olefinic compound comprising a non-cyclic olefin or a compound which includes a non-...
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WO/2004/056475A1 |
A catalytic composition is described for the transalkylation of aromatic hydrocarbons comprising a zeolite and an inorganic binder, characterized by an extra-zeolitic porosity, i.e. the porosity obtained by adding the mesoporosity and th...
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WO/2004/052811A1 |
Ring opening cross metathesis of non-cyclic hydrocarbons with cyclic unsaturated hydrocarbons having 8 carbon atoms or more to produce corresponding unsaturateoduct hydrocarbons having more than 8 carbon atoms.
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WO/2004/046278A1 |
In a process for converting C9+ aromatic hydrocarbons to lighter aromatic products a feed comprising C9+ aromatic hydrocarbons is contacted under transalkylation reaction conditions with a catalyst composition comprising (i) a first mole...
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WO/2004/046034A1 |
A porous, crystalline material is described having the framework structure of ZSM-12 and a composition involving the molar relationship: X203 :(n)Y02 wherein X is a trivalent element, Y is a tetravalent element and n is less than 60. The...
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WO/2004/041713A2 |
The present invention relates to new crystalline zeolite SSZ-54 prepared using a templating agent comprising N-isopropyl ethylenediamine, or a mixture of 1-N- isopropyl diethylenetriamine and isobutylamine, and processes employing SSZ-54...
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WO/2004/033395A2 |
A process for the production of ethylbenzene by the ethylation of benzene in the critical phase over a molecular sieve aromatic alkylation catalyst comprising cerium-promoted zeolite beta. An aromatic feedstock having a benzene content o...
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WO/2004/033394A2 |
A process for the production of ethylbenzene by the ethylation of benzene in the critical phase over a molecular sieve aromatic alkylation catalyst. An aromatic feedstock (32) having a benzene content of at least 90 wt.% is supplied into...
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WO/2004/030818A1 |
The present invention provides a process for regeneration a spent aromatics alkylation or transalkylation catalyst comprising a molecular sieve by contacting the spent catalyst with an oxygen-containing gas at a temperature of about 120 ...
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WO2003093230A9 |
A process for the alkylation of an aromatic hydrocarbon which comprises contacting the aromatic hydrocarbon with an C2-C4 olefin alkylating agent under at least partial liquid phase conditions, in the presence of a catalyst comprising ze...
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WO/2004/026797A2 |
A process is described for producing an alkylaromatic compound by reacting an alkylatable aromatic compound with a feed comprising an alkene and an alkane in a multistage reaction system comprising at least first and second series-connec...
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WO/2004/026454A2 |
One aspect of the present invention relates to methods of preparing enedialkylidyne complexes, enediynes, and alkyne metathesis catalysts, as well as methods of catalyzing alkyne metathesis reactions. The present invention also relates t...
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WO/2004/016351A1 |
The invention provides a method of preparing a metathesis catalyst, the method including the steps of mixing a transition metal oxide containing aqueous solution having a pH of 9 or higher with a carrier. The water is then removed from t...
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WO/2004/007072A1 |
The invention relates to a method of preparing an alkylated aromatic compound. The inventive method is characterised in that it comprises an alkylation reaction of an aromatic compound with an alkylating agent which is selected from an o...
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WO/2004/005223A1 |
The use of a phosphorus containing Ligand as a Ligand for a metathesis catalyst in a catalysed metathesis reaction wherein the phosphorus containing Ligand is a heterocyclic organic compound with a ligating phosphorus atom as an atom in ...
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WO/2004/000760A1 |
The invention concerns a method for performing one or several aromatic substitutions on a compound (A) comprising at least an aromatic ring, which consists in grafting an alkyl fragment on the aromatic ring of a compound (A) by reacting ...
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WO/2004/000770A1 |
The invention concerns a method for performing one or several aromatic substitutions on a compound (A) comprising at least an aromatic ring for preparing substituted aromatic compounds, which consists in: grafting an alkyl fragment on th...
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WO/2003/104172A1 |
The present invention relates to a process for the manufacture of alkanes comprising an operation in which at least one starting alkane is contacted with a metal catalyst comprising at least one metal, Me, bonded to at least one hydrogen...
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WO/2003/104173A1 |
The present invention relates to the manufacture of alkanes comprising an operation in which at least one starting alkane is contacted with a metal catalyst comprising at least one metal, Me, bonded to at least one hydrogen atom and/or t...
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WO/2003/104171A1 |
The invention relates to a process for producing ethane comprising contacting methane with a metal catalyst selected from metal hydrides, metal organic compounds and mixtures thereof. It also relates to a process for the conversion of me...
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WO/2003/101920A1 |
Disclosed is a process for preparation of compositions having utility as well fluid base oils. The process involves metathesis of alpha-olefins followed by isomerization of the metathesis products. The base oils resulting from the proces...
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WO/2003/097562A2 |
The invention provides a method for converting a less active or slower to initiate system to a higher activity system so that at the end of a polymerization the most active species is present in the system. The invention generally relate...
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WO/2003/093215A1 |
Integrated processes of preparing industrial chemicals starting from seed oil feedstock compositions containing one or more unsaturated fatty acids or unsaturated fatty acid esters, which are essentially free of metathesis catalyst poiso...
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WO/2003/092854A1 |
A method of processing a sample comprising introducing a sample into a flow-through device (10) containing a porous solid media (18) therein, and thereafter subjecting the device to microwave energy (20).
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WO/2003/078363A1 |
Novel condensation reactions used to produce 1,3-cyclohexadiene. Such a compound is an important precursor in the manufacture of high performance plastics, as one example, are provided. In the past, the production methods for such 1,3-cy...
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WO/2003/076371A1 |
A C3 to C6 hydrogen cut from a cracking unit is processed for the conversion of olefins to propylene and hexene via autometathesis. The autometathesis of a mixed normal butenes feed in the presence of a metathesis catalyst operates witho...
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WO/2003/076372A1 |
The invention relates to the transalkylation method of benzene and C9 + aromatic hydrocarbons which was not disclosed in the prior art. This method is also useful for convering the C10+ heavy aromatic hydrocarbons to toluene and C8 aroma...
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WO/2003/070669A2 |
The invention relates to a method for producing surfactant alcohols and surfactant alcohol ethers by the derivatization of olefins comprising between 10 and 20 C atoms or the derivatization of olefin mixtures and optionally by subsequent...
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WO/2003/066552A1 |
The present invention relates to a process for the manufacture of alkanes comprising a catalytic reaction resulting from contacting methane with at least one other starting alkane (I) in the presence of a metal compound (C) capable of ca...
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WO/2003/062253A1 |
This invention relates to metal complexes which are useful as catalyst components in olefin metathesis reactions, atom or group transfer radical polymerisation or addition reactions and vinylation reactions. It also relates, preferably w...
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WO/2003/061823A1 |
The present invention relates to a supported metal compound comprising a solid support to which are grafted at least two types of metal atom, Me, one in a form (A) of a metal compound where the metal atom is bonded to at least one hydrog...
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WO/2003/062178A1 |
A process is disclosed for preparing a C¿4? stream for feeding to an alkylation process which reacts isobutane with butene to produce isooctane. The C¿4? stream is treated in a first distillation column reactor to remove dienes and mer...
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WO/2003/049857A1 |
The present invention disclosed a catalyst composition comprising a dealuminated mordenite component together with a second zeolite which has a 12 membered ring in the acidic form. The catalyst has particular utility in the process for t...
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WO/2003/035589A1 |
The invention relates to a selective dismutation process of toluene and to a dismutation and transalkylation process of toluene and aromatic hydrocarbons of C9 and 9C&plus , which solve the problems in the prior art, such as large circul...
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WO/2003/031458A1 |
The present invention relates to dihydrofolate reductase inhibitors having an aromatic group and a heteroaromatic group linked by a methylene group; methods of preparation of dihydrofolate reductase inhibitors that include metal mediated...
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WO/2003/020669A1 |
The invention relates to a method for the production of propene by multiple execution of the following sequence of steps, whereby in step 1 a mixture M1, essentially comprising unbranched C¿4?- to C¿9? monoolefins (Components 04-9), 0 ...
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