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WO/2012/051427A1 |
A process for producing propylene and 1 -butene is disclosed. The process comprises dimerizing ethylene in the presence of a dimerization catalyst to produce a dimerization mixture comprising 1-butene and 2-butenes. The dimerization mixt...
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WO/2012/050748A2 |
A process for transalkylating aromatic hydrocarbon compounds, the process comprising introducing an aromatic hydrocarbon feed stream and a water source to a transalkylation zone. The feed stream contacts a catalyst in the transalkylation...
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WO/2012/040088A2 |
This invention relates to a metathesis catalyst comprising (i) a Group 8 metal hydride- dihydrogen complex represented by the formula (I); wherein M is a Group 8 metal; X is an anionic ligand; and L1and L2 are neutral donor ligands; and ...
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WO/2012/036186A1 |
This aromatic hydrocarbon production process comprises bringing a raw material oil which contains a hydrogenated oil product of a thermally cracked heavy oil produced in an ethylene production apparatus into contact with a monocyclic aro...
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WO/2012/006324A1 |
Wax compositions derived from metathesized natural oils and amines and methods of making wax compositions from metathesized natural oils and amines are provided. The wax compositions comprise amidated metathesized natural oils formed fro...
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WO/2011/146972A1 |
A method for preparing a peptide or peptides containing a dicarba bridge, comprising: (i) providing a reactable peptide having at least two complementary metathesisable groups or two or more reactable peptides having at least two complem...
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WO/2011/146974A1 |
The present invention relates to methods for forming alkyne-containing dicarba bridges in peptides or between amino acids. This involves the use of a pair of complementary alkyne-containing metathesisable groups on the peptide(s) or amin...
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WO/2011/126798A2 |
Processes for the conversion, under conditions and with a catalyst system effective for olefin metathesis, of hydrocarbon feedstocks comprising butylene, for example all or a large proportion of a single C4 olefin isomer such as butene-1...
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WO/2011/126796A2 |
Processes for the conversion, under conditions and with a catalyst system effective for olefin metathesis, of hydrocarbon feedstocks comprising an acyclic symmetrical olefin (e.g., butene-2) are described. Olefin products of lower and hi...
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WO/2011/126829A2 |
Processes for olefin metathesis, for example for the production of propylene, utilize a catalyst comprising a solid support and a tungsten hydride bonded to alumina present in the support. Conversion, selectivity, and/or catalyst stabili...
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WO/2011/118668A1 |
Disclosed is a novel catalyst which has a molecular sieve effect (or shape selectivity) and has excellent catalytic activity. The catalyst is characterized by comprising cores constituted of zeolite particles having a diameter of 10 µm ...
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WO/2011/119778A2 |
Synthetic methods for the in-situ formation of olefin metathesis catalysts are disclosed, as well as the use of such catalysts in metathesis reactions of olefins and olefin compounds. In one aspect, a method is provided for synthesizing ...
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WO/2011/117571A1 |
Cis ruthenium complexes that can be used as catalysts are described. The complexes are generally square pyramidal in nature, having two anionic ligands X adjacent to each other. The complexes can be used as catalysts, for example in olef...
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WO/2011/118753A1 |
Disclosed is a method for producing a monocyclic aromatic hydrocarbon, wherein a monocyclic aromatic hydrocarbon having 6-8 carbon atoms is produced from a starting material oil that has a 10 volume percent distillation temperature of 14...
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WO/2011/117478A1 |
The present invention describes a combustion zone of a regenerative catalytic unit for the continuous regeneration of the catalyst, said combustion zone being of annular shape and split into at least two combustion stages, each stage bei...
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WO/2011/113836A1 |
The present invention relates to a process for the production of propylene in which in a first step isobutanol is subjected to a simultaneous dehydration and skeletal isomerisation to make substantially corresponding olefins, having the ...
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WO/2011/100022A2 |
This invention relates to a catalyst compound for the metathesis of olefins represented by the formula (I): wherein M is a Group 8 metal; X and X1 are anionic ligands; L is a neutral two electron donor; L1 is N, O, P, or S, preferably N ...
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WO/2011/097127A2 |
Acid washing of silica supports, used for supported tungsten catalysts, improves the activity of the resulting catalyst (i.e., its conversion level at a given temperature) for the metathesis of olefins, without compromising its selectivi...
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WO/2011/097003A2 |
In a process for producing xylene by transalkylation of a C9+ aromatic hydrocarbon feedstock with a C6 and/or C7 aromatic hydrocarbon, the C9+ aromatic hydrocarbon feedstock, at least one C6 and/or C7 aromatic hydrocarbon and hydrogen ar...
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WO/2011/090121A1 |
Disclosed is a monocyclic aromatic hydrocarbon production catalyst for use in the production of a monocyclic aromatic hydrocarbon having 6 to 8 carbon atoms from a raw material oil having a 10 vol% distillation temperature of 140°C or h...
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WO/2011/081650A1 |
Methods for producing alpha-olefins. The methods include selectively isomerizing an alpha-olefin to a mixture of beta-olefins and ethenolyzing at least a portion of the mixture of beta-olefins to an alpha-olefin.
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WO/2011/069134A2 |
Supported olefin metathesis catalysts are disclosed, and more particularly, a supported catalyst complex comprising a catalyst composed of a Group 8 transition metal complex comprising a labile ligand and a non-labile ligand and a suppor...
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WO/2011/062855A1 |
A porous, crystalline material is described having the framework structure of ZSM-12 and a composition involving the molar relationship: X2O3 :(n)YO2 wherein X is a trivalent element, Y is a tetravalent element and n is less than about 4...
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WO/2011/040963A1 |
The present invention relates generally to catalysts and processes for the Z-selective formation of internal olefin(s) from terminal olefin(s) via homo-metathesis reactions.
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WO/2011/009721A1 |
The present invention relates to a catalytic complex for olefin metathesis reactions, to a process for its preparation and to its use in olefin metathesis reactions, particularly in ring opening metathesis polymerisation (ROMP) reactions.
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WO/2011/008258A2 |
The present invention relates generally to catalysts and processes for the formation of terminal olefin(s) from internal olefin(s) via ethenolysis reactions. The ethenolysis reactions may proceed with high conversion, high turnover, and/...
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WO/2011/002284A1 |
Disclosed is a method for the combined synthesis of at least two vinylic monomers, at least one of which being an acrylic compound, comprising subjecting a monoconjgated alkene-1-carboxylic compound to reaction with a C2-C4 alkene under ...
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WO/2010/128644A1 |
Disclosed is a method for producing propylene at a high selective ratio by bringing ethylene into contact with a catalyst. The method for producing propylene comprises a step of bringing ethylene into contact with a catalyst, wherein the...
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WO/2010/124041A1 |
A method for converting a hydrocarbon feedstock into higher hydrocarbons is provided comprising reacting a hydrocarbon feedstock with a molecular halogen to form alkyl halides; reacting at least a portion of the alkyl halide in the prese...
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WO/2010/113993A1 |
Disclosed is a process for producing an olefin, in which the double bond isomerization of starting material olefins can be promoted to inhibit a metathesis reaction, which is a side reaction, thereby increasing the selectivity for the de...
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WO/2010/111199A2 |
This invention relates to an integrated process for the efficient production of olefins from C4 feedstocks comprising butane and more particularly to a method of producing propylene and butadiene. The process combines a dehydrogenation u...
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WO/2010/101121A1 |
Disclosed is a method for producing propylene, which comprises a step for subjecting a hydrocarbon starting material containing more than 50 mass% of ethylene to catalytic conversion using a zeolite-containing catalyst while feeding wate...
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WO/2010/090790A1 |
A process for fractionating isobutene from normal butenes, including: introducing hydrogen and a feed stream comprising isobutene, 1-butene, and 2-butene into a first column including a reaction zone containing a hydroisomerization catal...
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WO/2010/077263A2 |
A propylene production process is disclosed. The process comprises (a) reacting a feed stream comprising isobutene in the presence of a skeletal isomerization catalyst to obtain an isomerized stream comprising C4 olefins; and (b) reactin...
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WO/2010/077265A1 |
A method is disclosed for regenerating regenerating a used catalyst mixture comprising (i) an isomerization catalyst comprising magnesium oxide and (ii) a metathesis catalyst comprising an inorganic carrier and at least one of molybdenum...
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WO/2010/066959A1 |
The present invention relates to a catalytic composition implementing at least one Ru complex and at least one Q+A- compound (Q+ being a cation and A- an anion), such that the molar ratio between Q+A- and the Ru is less than 40, to perfo...
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WO/2010/062958A1 |
Methods are provided for producing a jet fuel composition from a feedstock comprising a natural oil. The methods comprise reacting the feedstock with a low-weight olefin in the presence of a metathesis catalyst under conditions sufficien...
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WO/2010/056257A1 |
Disclosed is a process for integrating a butene dimerization process with a metathesis process to remove isobutene from the feed stream to the metathesis reactor. The isobutene is preferentially dimerized in the dimerization process to l...
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WO/2010/042327A1 |
In a process for alkylation of an alkylatable aromatic compound to produce a monoalkylated aromatic compound, a first feed stream comprising fresh alkylatable aromatic compound is passed to a first reaction zone which comprises a transal...
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WO/2010/040939A1 |
The present invention relates to a novel method for the metathesis of olefins or enynes. The invention also relates to the dendrimers for implementing novel methods.
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WO/2010/028267A2 |
A process for the production of propylene, the process including: contacting ethylene and a hydrocarbon stream comprising 1-butene and 2-butene with a bifunctional isomerization-metathesis catalyst to concurrently isomerizes 1-butene to ...
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WO/2010/024319A1 |
An olefin manufacturing method to limit a reduction in metathesis catalyst activity due to impurities, such as trace amounts of hetero atom-containing compounds, contained in the starting material olefins, and to manufacture olefins reli...
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WO/2010/020368A1 |
The invention relates to a method for producing unsaturated alpha, omega dicarboxylic acids and/or alpha, omega dicarboxylic acid diesters with the help of two ruthenium complex catalysts. Unsaturated alpha, omega dicarboxylic acids and/...
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WO/2010/015732A1 |
A catalyst is described that comprises at least one IZM-2 zeolite and at least one matrix, said zeolite having a chemical composition, expressed on an anhydrous basis, in terms of moles of oxides, by the following general formula: XO2:aY...
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WO/2010/010290A1 |
The present invention relates to a catalytic composition for carrying out the metathesis of unsaturated fats, particularly unsaturated fats containing oleic acid or oleic acid esters. The catalytic composition of the invention contains a...
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WO/2009/139818A1 |
A method for metathesizing at least two gaseous olefins using a moving catalyst bed gas phase metathesis reactor and counter current flowing subdivided solid catalyst.
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WO/2009/137432A1 |
The present invention is directed to a method for the preparation of macrocyclic compounds of formula (I), comprising the step of cyclizing a diene of formula (II), in the presence of a catalyst, wherein R1-R6, A, W and V are as defined ...
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WO/2009/127533A1 |
The present invention relates to a process for the alkylation of an aromatic substrate and to a process for the transalkylation of polyalkylated aromatic components, wherein the nitrogen containing compounds impurities in the aromatic su...
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WO/2009/103394A2 |
A process for the manufacture of large crystal size synthetic porous crystalline molecular sieve requires an aqueous reaction mixture that is organic structure directing agent-free, has a H2O/MOH molar ratio (M is an alkali metal) of 75 ...
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WO/2009/103393A2 |
A process for manufacturing a synthetic porous crystalline molecular sieve requires an aqueous reaction mixture comprising a source of X2O3 (X is a trivalent element), a source of YO2 (Y is a tetravalent element) and a source of MOH (M i...
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