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WO/2002/014337A1 |
The invention concerns ligands with at least a fluorosilicone substituent of general formulae (I) and (II); a method for preparing them and their use for producing catalysts useful for olefin polymerisation.
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WO/2002/011883A1 |
The present invention is directed to a transition metal catalyst, comprising a Group 8 metal and a ligand having the structure (I), wherein R', R' and R'' are organic groups having 1-15 carbon atoms, n = 1-5, and m = 0-4. The present inv...
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WO/2002/005955A1 |
The invention relates to a method for producing addition products to the C=C double bond of ethylenic unsaturated compound in the presence of a catalyst, comprising at least one complex of a metal of the VIII sub-group with at least one ...
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WO/2002/006357A1 |
Supported ionic metallocene catalyst systems may be prepared by a method comprising the following steps: i) mixing together in a suitable solvent : a) an organometallic compound, and b) an ionic activator comprising a cation and an anion...
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WO/2002/004468A1 |
A dimethylsilylene (2,4-dimethylcyclopentadienyl)-(fluorenyl) zirconocene-type compound polymerizes olefins. The resulting polyolefins may be used as molding resins and for films.
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WO/2002/002577A1 |
Compounds and metal complexes comprising a polycyclic, fused ring ligand or inertly substituted derivative thereof having up to 60 atoms other than hydrogen, said ligand comprising at least: (1) a cyclopentadienyl ring, (2) a 6,7, or 8 m...
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WO/2002/002572A1 |
Compounds which may be used in the treatment and/or prevention of cancer have the formula (I): wherein R?1¿ and R?2¿ together with the ring to which they are bound represent a saturated or unsaturated carbocyclic or heterocyclic group.
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WO/2002/002578A1 |
Compounds of the formula (I) and (Ia) in the form of racemates, mixtures of diastereomers or in essentially enantiomerically pure form, (I), (Ia), where R is hydrogen, C¿1?-C¿8?alkyl, C¿5?-C¿12?cycloakyl, phenyl or phenyl substituted...
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WO/2002/002576A1 |
This invention relates to metallocene compositions and their use in the preparation of catalyst systems for olefin polymerization, particularly propylene polymerization. The metallocene compositions may be represented by the formula wher...
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WO/2002/002575A1 |
This invention relates to metallocene compositions and their use in the preparation of catalyst systems for olefin polymerization, particularly propylene polymerization. In one embodiment, the metallocenes of the present invention may be...
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WO/2002/000672A1 |
The invention relates to a method for producing racemic metallocene complexes by reacting bridged or non-bridged transition metal complexes with cyclopentadienyl derivatives of alkaline or alkaline earth metals and optionally, subsequent...
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WO/2001/094360A1 |
Chiral metallocenes are prepared by reacting a salt of an asymmetric bis(cyclopentadienyl)-moiety-containing ligand with a tertiary heteroaromatic amine adduct of a transition, lanthanide, or actinide metal halide in an organic solvent o...
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WO/2001/092346A2 |
A catalyst composition for the polymerization of olefins is provided, comprising a cyclopentadienyl transition metal catalyst precursor and an activating co-catalyst.
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WO/2001/092269A2 |
The invention relates to a method for producing special transition metal compounds, to novel transition metal compounds and to their use for the polymerization of olefins.
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WO/2001/092277A1 |
The invention provides compositions, kits, methods, and species that include electroactive entities which can serve as signaling entities in chemical and/or biochemical assays. The electroactive species can be metallocenes, such as ferro...
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WO2000064705A9 |
A housing (40) for a vehicle temperature control unit (20) includes a frame rail (45) with a guide channel (67) and an access panel (70) with a hinge (72a, 72b) contained within the channel. The hinge is rotatable to several positions an...
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WO/2001/087901A1 |
We describe a process for the preparation of a ruthenium compound of formula (I): [Ru(dienyl)¿2?], wherein 'dienyl' represents a subsituted pentadienyl or cycloheptadienyl group, which process comprises reacting dichloro(2,7-dimethyloct...
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WO/2001/083571A2 |
Catalyst compositions useful for the polymerization or oligomerization of olefins are disclosed. Certain of the catalyst compositions comprise N-pyrrolyl substituted nitrogen donors. Also disclosed are processes for the polymerization or...
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WO/2001/079587A1 |
A process for the purification of organometallic compounds or heteroatomic organic compounds from oxygen, water and from the compounds deriving from the reaction of water and oxygen with the organometallic or heteroatomic compounds whose...
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WO/2001/074832A1 |
The invention relates to a process for the preparation of acylferrocenes comprising the steps of reacting a ferrocene with an acid anhydride acylating agent, having C2 to C7 carbon atoms, in the presence of a montmorillonite or metal ion...
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WO/2001/074745A1 |
New polycyclic cyclopentadiene compounds having the formula (II) wherein the various substituents and symbols R¿1?, R¿2?, R¿3?, R¿4?, R¿5?, R¿6?, R¿7?, Z?1¿ and Z?2¿ and 'n' have the meaning specified in the description. These c...
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WO/2001/070395A2 |
A procatalyst complex for the polymerisation of olefins comprising a group III element or a group 3 to 8 transition metal n-bonded by an open n?5¿-ligand at least two heteroatoms in the five atom n?5¿ chain and having an unsaturated ri...
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WO/2001/064698A2 |
A complex of formula (I) where M represents Fe(II), Co(III) or Mn(I); n is 0 or 1; x represents an optionally substituted ring system selected from (a), (b).
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WO/2001/064689A1 |
A process for selectively functionalizing an aliphatic hydrocarbon and/or alkyl branched alicyclic hydrocarbon at a primary C-H hydrocarbon bond comprising thermally reacting a functionalizing reagent and the hydrocarbon in the presence ...
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WO/2001/063350A1 |
An electrochromic device (100) comprising at least one substantially transparent substrate (120) having an electrically conductive material (120, 118) associated therewith, and an electrochromic medium (124) which comprises a solvent, a ...
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WO/2001/058588A1 |
Ferrocene anchored chiral ligands and metal complexes based on such chiral ligands useful in asymmetric catalysis are disclosed. The metal complexes according to the present invention are useful as catalysts in asymmetric reactions, such...
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WO/2001/058970A1 |
This invention relates to propylene impact copolymer compositions. In particular, these unique and improved compositions can be produced using conventional, commercial-scale processes.
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WO/2001/058969A1 |
The present invention provides a chemically-modified support comprising an inorganic oxide containing optionally functionalized hydroxyl groups, having chemically linked thereto the cation of a cation/anion pair. The present invention fu...
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WO/2001/058913A1 |
The present invention relates to ligands and the synthesis of those ligands for use in metallocene complexes. More particularly, the present invention relates to the synthesis of diarylsilyl bridged biscyclopentadienes using diarylsilyld...
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WO/2001/058912A1 |
A dinuclear, Group 4 transition metal complex containing a boron or aluminum bridging group, preferably containing an electron donating group, especially an amido group, said bridging groups further joining two sets of $g(p)-bonding grou...
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WO/2001/053362A1 |
The invention provides a metallocene procatalyst compound comprising a group 3 to 7 transition metal $g(h)-liganded by a siloxy substituted, monocyclic, homo- or heterocyclic cyclopentadienyl group. Such compounds may be used together wi...
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WO/2001/053361A1 |
The invention provides a metallocene procatalyst compound comprising a group 3 to 7 transition metal $g(h)- and $g(s)-liganded by a siloxy substituted, monocyclic, homo- or heterocyclic cyclopentadienyl group. Such compounds may be used ...
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WO/2001/048040A1 |
Ethylene based polymers having high molecular weights can be obtained in high yields at temperatures of industrial interest, by carrying out the polymerization reaction in the presence of catalysts comprising silicon bridged metallocenes...
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WO/2001/048037A1 |
A solid self-supported cycloalkadienyl catalyst component is disclosed that includes: (i) a mixed metal alkoxide complex which is the reaction product of a magnesium alkoxide or aryloxide and at least one group IVB metal-containing alkox...
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WO/2001/048039A2 |
Ethylene based polymers having high molecular weights can be obtained in high yields at temperatures of industrial interest, by carrying out the polymerization reaction in the presence of catalysts comprising single carbon bridged metall...
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WO/2001/047939A1 |
A metallocene compound of general formula (I): LGZMXp, wherein L is a divalent group, Z is a moiety of formula (II), wherein R?3¿ and R?4¿ are selected from hydrogen and hydrocarbon groups; A and B are selected from S, O or CR?5ÂÂ...
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WO/2001/048034A2 |
The invention relates to a method for polymerising olefins, in particular to a method for copolymerising propylene with additional olefins, in the presence of specially selected metallocenes, in particular those types of metallocenes whi...
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WO/2001/046201A1 |
A Group 4 transition metal complex containing a gallium or indium bridging group containing an electron donating group, especially an amido group, linking two groups wich may be $g(p)-bonding groups or electron donating groups.
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WO/2001/044318A1 |
A class of metallocene compounds is disclosed having general formula (I) wherein Y is a moiety of formula (II) wherein A, B, and D, same or different from each other, are selected from an element of the groups 14 to 16 of the Periodic Ta...
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WO/2001/042261A1 |
Processes for preparing two organoluthenium compounds useful for thin film formation by CVD, i. e. , bis(ethylcyclopentadienyl)luthenium and (alkylcyclopenta= dienyl)cyclopentadienylluthenium. The first invention relates to a process for...
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WO/2001/042315A1 |
Group 4 metal complexes of the constrained geometry type, catalysts derived therefrom and polymerization processes using the same, characterized by a nitrogen containing aliphatic or cycloaliphatic moiety that is substituted with one or ...
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WO/2001/042260A1 |
The invention provides a method for the preparation of a metallocene halide salt having at least one cyclopentadiene group substituted by a basic group, the method comprising reacting together a metal halide with a cyclopentadiene substi...
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WO/2001/040238A1 |
The present invention relates to metallocene compounds consisting of indenyl-cyclopentadienyl groups non-symmetrically joined by a bivalent radical. Said compounds can be conveniently used as components of catalysts for the polymerizatio...
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WO/2001/040325A1 |
The invention relates to a process to polymerize olefins compris ing reacting olefins with a catalyst system comprising an activator, a metallocene and a second metal compound based on bidentate ligands containing heterocycle moieties.
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WO/2001/040239A2 |
Transition metal-cyclopentadienyl-tropane conjugate compounds are described. Methods for preparing transition metal-cyclopentadienyl-tropane conjugate compounds are also described. Transition metal-cyclopentadienyl-tropane conjugate comp...
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WO/2001/038336A1 |
The present invention refers to new chiral phosphine derivatives of formula (I), wherein R1, R2, R3 and R4 are identical or different and are selected from the group consisting of hydrogen, a linear or branched C¿1-7? alkyl, a C¿5-...
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WO/2001/030790A1 |
Compounds which may be used in the treatment and/or prevention of cancer have the formula (I) wherein: R?1¿, R?2¿, R?3¿, R?4¿, R?5¿ and R?6¿ independently represents H, alkyl, -CO¿2?R', aryl or akylaryl, which latter two groups ar...
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WO/2001/029096A1 |
This application discloses triphenyl carbenium NCA's as catalyst activators for a class of asymmetrically bridged hafnocene catalyst precursors. These catalyst precursors are activated into olefin polymerization catalysts and are suitabl...
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WO/2001/027690A2 |
This invention concerns an electochromic device comprising an electrode including a nanostructured metal oxide film, doped to metallic levels of conductivity and optionally modified by chemisorption of an electroactive compound. Such an ...
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WO/2001/027124A1 |
A metallocene compound and an olefin polymerization catalyst containing the compound which are intended to provide a catalyst showing high catalytic activity in producing an isotactic polymer. The metallocene compound has a substituted c...
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