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WO/2004/099225A1 |
Process for preparing halide metallocene compounds comprising the step of reacting the dialkyl derivative with a halogenating agent of formula R3xTLw wherein: L is chlorine, iodine or bromine; R3 is hydrogen or a hydrocarbon group; T is ...
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WO/2004/099226A1 |
Compounds of the formula (I), in which R1 is C1-C4alkyl, C6-C10aryi or C7-C11,aralkyl, R2 is an open-chain or cyclic secondary amino group, and R is a radical of the formula in which R3 is C1-C4alkyl or C1-C4alkoxy, and R4 is H, C1-C4alk...
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WO/2004/099269A2 |
A process for polymerizing 1-butene, optionally with up to 3 0% by mol of ethylene, propylene or an alpha olefin of formula CH2=CHT wherein T is a C3-Clo alkyl group, in the presence of a catalyst system obtainable by contacting a metall...
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WO/2004/096819A1 |
Ruthenium (II) compounds of formula (I) are useful in the treatment and/or prevention of cancer.
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WO/2004/092225A1 |
Supported metallocene catalysts and processes for the use of such catalysts in isotactic polymerization of a C3+ ethylenically unsaturated monomer. The supported catalysts comprise a particulate silica support, an alkyl alumoxane compone...
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WO/2004/089963A1 |
Compositions and methods useful in facilitating or conducting a reaction at effective conditions, such as room temperature (e.g. about 70 degrees F), utilize a compound including at least two different heteroatoms, and optionally a heter...
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WO/2004/085499A2 |
A process for the preparation of an olefin homopolymer or copolymer comprising polymerising at least one C2-20-&agr - olefin in slurry phase in the presence of 1) a metallocene compound of formula I: (Cp) (Cp ') RnMX2 (I ) wherein: Cp is...
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WO/2004/078795A2 |
The present invention discloses a metallocene catalyst component based on a Group IIIb metal of the periodic Table and a bridged heteroatom-fluorenyl ligand. It also discloses its method of preparation and its use in polymerisation.
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WO/2004/078798A2 |
The invention discloses a method for making a hydrogenated metallocene catalyst component comprising the steps of: 1. Providing a compound comprising at least one aromatic group; 2. Hydrogenating the at least one aromatic group in the pr...
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WO/2004/067591A1 |
The present invention discloses a metallocene catalyst component of the formula (I) [(Flu-R’’-Cp)2M]-[Li(ether)4]+, wherein Cp is a cyclopentadienyl, substituted or unsubstituted, Flu is a fluorenyl, substituted or unsubstitutted, M ...
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WO/2004/067586A2 |
A catalyst component for the preparation of polyolefins comprising a metallocene having the general formula (I) : L1nYZM1XP (the symbols have the meaning as defined in the specification), catalysts containing the same, a method for prepa...
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WO/2004/065650A2 |
Tantalum precursors suitable for chemical vapor deposition of tantalum-containing material, e.g., tantalum, TaN, TaSiN, etc., on substrates. The tantalum precursors are substituted cyclopentadienyl tantalum compounds. In one aspect of th...
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WO/2004/060901A1 |
Multinuclear group 4 metal complexes useful as catalyst components for addition polymerizations and polymerization process, especially suited for preparing syndiotactic polymers of vinylaromatic monomers.
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WO/2004/060942A2 |
The present invention discloses a metallocene catalyst component of formula (Flu-R'-Cp)M(&eegr 3-C3R'5)(ether)n (I) wherein Cp is a cyclopentadienyl, substituted or unsubstituted, Flu is a fluorenyl, substituted or unsubstitutted, R' is ...
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WO/2004/056481A1 |
Monocyclopentadienyl complexes in which the cyclopentadienyl system bears at least one unsubstituted, substituted or fused, 5-membered heteroaromatic ring system bound via a specific bridge, a catalyst system comprising at least one of t...
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WO/2004/056878A2 |
Copolymers of ethylene with &agr -olefins which have a molar mass distribution Mw/Mn of from 1 to 8, a density of from 0.85 to 0.94 g/cm3, a molar mass Mnof from 10.000 g/mol to 4 000 000 g/mol and a CDBI of less than 50% and in which th...
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WO/2004/056482A1 |
Monocyclopentadienyl complexes in which the cyclopentadienyl system bears at least one unsubstituted, substituted or fused, heteroaromatic ring system bound via a specific bridge, a catalyst system comprising at least one of the monocycl...
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WO/2004/052945A1 |
The present invention relates to organometallic transition metal compounds of formula (I) where M1 is an element of group 3, 4, 5 or 6 of the Periodic Table of the Elements or the lanthanides, X are identical or different and are each ha...
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WO/2004/050724A1 |
A process for obtaining 1-butene polymers optionally containing up to 30% by mol of ethylene, propylene or an alpha-olefin of formula CH2=CHZ, wherein Z is a C3-C10 alkyl group s, comprising the step of contacting under polymerization co...
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WO/2004/047972A2 |
A catalyst comprising e.g. a pyridine bisimine ligand bonded to a transition metal by at least two heteroatoms of the ligand, the ligand having at least two aromatic groups or cyclopentadienyl groups on different heteroatoms of the ligan...
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WO/2004/046207A2 |
Provided is a catalyst component for producing a polyolefin, which catalyst component comprises a metallocene catalyst having a structure according to a formula (I): Cp1Cp2R”MQp wherein Cp1 and Cp2 are each independently a cyclopentadi...
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WO/2004/044010A2 |
The present invention provides a method of synthesizing fluorided metallocene catalyst components comprising contacting at least one fluoriding agent comprising fluorine with one or more alkylated metallocene catalyst components comprisi...
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WO/2004/042354A2 |
A method for producing Group 8 (VIII) metallocene or metallocene-like compounds employs a compound that includes a Cp’ anion, such as found, together with a counterion, in a cyclopentadienide or cyclopentadienide-like salt. In one embo...
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WO/2004/041832A2 |
Asymmetric, disubstituted metallocene compounds have the general formula CpMCp' where M is a metal selected from the group consisting of Ru, Os and Fe; Cp is a first substituted cyclopentdienyl or indenyl moiety that includes at least on...
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WO2003057701B1 |
Cyclopentadienyl or indenyl titanium trichlorides are produced by converting a cyclopentadiene or anindene to a corresponding cyclopentadienyl or indenyl titanium trialkoxide which is treated with a halogenating agent to provide the desi...
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WO/2004/037838A1 |
The invention relates to a process for preparing hydrogenated or partially hydrogenated, racemic ansa-metallocene complexes by reacting bridged or unbridged transition metal complexes with alkali metal compounds or alkaline earth metal c...
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WO/2004/037839A1 |
The invention relates to a process for preparing racemic metallocene biphenoxide complexes by reacting bridged transition metal complexes with cyclopentadienyl derivatives of alkali metals or alkaline earth metals and heating the reactio...
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WO/2004/037834A2 |
The invention relates to a process for preparing racemic metallocene complexes by reacting transition metal complexes with cyclopentadienyl derivatives of alkali metals or alkaline earth metals and heating the reaction mixture obtained i...
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WO/2004/037841A1 |
A novel transition metal compound wherein the transition metal belongs to Group 4 of the Periodic Table and the transition metal compound has a hydrogen atom ligand and three cyclopentadienyl ligands comprising at least one substituted c...
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WO/2004/037840A1 |
The present invention relates to a specific process for the diastereoselective synthesis of racy diorganosilylbis(2methylbenzo[e]indenyl)zirconium compounds of the formula I, by reacting the silyl-bridged bisindenyl ligand with a dihal...
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WO/2004/031109A2 |
The present invention relates to a method for the preparation of C2-symmetric 1,4-diols of the formula IVA or IVB, wherein ring A, R1 and R2 have the meanings given in the specification, that makes use of the metallation of pure enantiom...
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WO/2004/029065A1 |
The invention relates to compounds, in which a transition metal comprising at least two ligand systems is complexed and at least two of said systems are reversibly linked to one another by at least one bridge consisting of a donor and an...
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WO/2004/029062A1 |
A crosslinked metallocene compound and a catalyst for olefin polymerization which contains the crosslinked metallocene compound. This catalyst is highly active in polymerizing at least one monomer selected among ethylene and &agr -olefin...
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WO/2004/029107A1 |
The present invention refers to a metallocene catalyst component for producing polyolefins according to formula (I) R's (CpRn)g (CpRn) M Q3-g (I) or according to formula (II) R'(CpRn)MeXQ (II) wherein - each Cp is a substituted or unsubs...
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WO2003098617B1 |
The invention relates to an optical recording medium comprising a substrate, a reflecting layer and a recording layer, wherein the recording layer comprises a compound of formula (I),(II),(III); wherein R1, to R13, may be hydrogen or a v...
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WO/2004/024845A2 |
Cassette based system (11) for hydrogen storage, distribution and recovery including a cassette (110) containing a hydrogen storing material (115) from which hydrogen can be recovered in a hydrogen recovery system (130). Hydrogen storing...
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WO/2004/024980A1 |
An organic compound for CVD raw material, comprising a first organometallic compound having a metal atom coordinating with ligands and, mixed therewith, at least one second organometallic compound comprising as a center atom the same met...
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WO/2004/024708A2 |
A process for the preparation of a compound of Formula (1) : Formula (1) wherein: X is S, O or NR3, wherein R3 is H or an organic group; R is H or an organic group; R1 and R2 each independently are H, optionally substituted alkyl or opti...
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WO/2004/022230A1 |
The present invention relates to a process of producing a fluorided catalyst compound, catalyst compositions, and polymerization methods including such. At least one specific embodiment of the invention includes contacting a chlorinated ...
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WO/2004/019924A1 |
The invention relates to cyclopalladated compounds containing bis-diphenylphosphine-ferrocene ligands and their analogues which are active inhibitors of proteins and enzymes, for example, those of the serine peptidase, cysteine-protease,...
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WO/2004/020479A2 |
Monocyclopentadienyl complexes in which the cyclopentadienyl system bears at least one unsubstituted, substituted or fused, heteroaromatic ring system bound via a specific bridge, a catalyst system, comprising at least one of these monoc...
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WO/2004/020481A1 |
The present invention relates to a novel fulvene compound and a preparation method thereof, and more particularly to a fulvene compound having substituted groups in the 2- and 5-positions, prepared from an unsaturated ketone having a sub...
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WO/2004/018523A1 |
A process for the preparation of a silicon containing transition metal compound comprises the steps of (a) non-hydrolytic sol-gel condensation of a silane of formula LxSiQn wherein L is a &pgr -bonded ligand, Q is an anionic ligand, and ...
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WO/2004/018489A1 |
Monocyclopentadienyl complexes in which the cyclopentadienyl system bears at least one uncharged donor bound via a boron-containing bridge and comprising one or more atoms of group 15 and/or 16 of the Periodic Table of the Elements and i...
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WO/2004/013150A1 |
A method for preparing bis(cyclopentadienyl)ruthenium involving a step of reacting cyclopentadiene, ruthenium chloride and a zinc powder in an alcohol solvent, to synthesize bis(cyclopentadienyl)ruthenium, characterized in that it compri...
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WO/2004/013149A1 |
Group 4 metal constrained geometry complexes comprising tricyclic 4-arylsubstituted indenyl ligands, especially 1,5,6,7-tetrahydro-4-aryl-s-indacen-1-yl ligands, catalytic derivatives thereof, processes for preparing the same and their...
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WO/2004/007602A2 |
The invention relates to a catalyst for the polymerisation of 1,4-dienes, styrene and for the copolymerisation of two monomers. The characteristics of the inventive catalyst include a high degree of stereoselectivity, catalytic activity ...
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WO/2004/005305A1 |
The invention provides metallocene compounds of formula (1) for use as medicaments in the treatment of cancer. Formula (1) wherein R1, R2, R3 and R4 represent a combination of H, alkyl, aryl or trimethylsilyl; L represents side chain sub...
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WO/2004/004729A1 |
The invention relates to neuroreceptor active N-[(4-phenyl-1-piperazinyl)alkyl]-substituted heteroarene carboxamide of general formula (I) and to structure analogous 2-ferrocenyl compounds of general formula (II) and the utilization ther...
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WO/2004/005304A1 |
Ruthenium (II) compounds of formula (I) are useful in the treatment and/or prevention of cancer, wherein formula (I) is :
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