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WO/2003/008465A2 |
The present invention provides polymerization catalyst compounds, catalyst systems including these catalyst compounds, and to their use in the polymerization of ethylene and at least one comonomer. In particular, the invention relates to...
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WO/2003/006473A1 |
The present invention relates to a catalyst for preparing vinyl aromatic polymer and styrene polymerization using the same, and particularly to a transition metal half metallocene catalyst with a novel structure for preparing syndiotacti...
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WO/2003/006158A2 |
A process for producing a ring-substituted arene borane which comprises reacting a ring-substituted arene with an HB organic compound in the presence of a catalytically effective amount of an iridium or rhodium complex with three or more...
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WO/2003/006403A2 |
A process for producing organic substituted aromatic or heteroaromatic compounds including biaryl and biheteroaryl compounds in a two-step reaction. In the first step, the aromatic or heteroaromatic compound is borylated in a reaction co...
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WO/2003/002583A2 |
Metallocenes and catalyst systems for olefin polymerization derived therefrom. The metallocenes may be represented by the formula (I), wherein M?1¿ preferably is zirconium or hafnium; and R?12¿ is different from hydrogen.
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WO/2003/000744A1 |
A metallocene catalyst in which the metal is coordinated by a $g(h)?5¿ cyclopentadienyl ligand which forms part of an indenyl or indenyloid moiety, characterised in that said moiety is directly or indirectly substituted at the 4-, 5-, 6...
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WO/2003/000706A1 |
A metallocene compound of formula (I): wherein M is zirconium, titanium and hafnium; X is a hydrogen atom, a halogen atom or a hydrocarbon radical; R?1¿ is a linear C¿1?-C¿20?-alkyl radical; R?2¿ is a hydrogen atom or hydrocarbon R?3...
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WO/2002/096920A1 |
A process for separating inorganic and organometallic by-products from a mixture comprising at least one organometallic transition metal compound as product and at least one organometallic by-product and at least one inorganic by-product...
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WO/2002/094841A1 |
The present invention provides a supported metallocene catalyst wherein a metallocene compound is supported on a silica carrier by reacting a metallocene compound substantially having acetal, ketal, secondary or tertiary alkoxy alkyl, be...
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WO/2002/092609A1 |
A process is described for the preparation of elastomeric EP(D)M copolymers and terpolymers, characterized in that it is carried out in the presence of metallocene compounds of general formula (I) having a racemic stereoisomerism.
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WO/2002/092610A1 |
Titanium complexes comprising a 3-aryl-substituted cyclopentadienyl ring or substituted derivative thereof, polymerization catalysts, and olefin polymerization processes using the same are disclosed.
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WO/2002/092075A2 |
Metal carbonyls are used to deliver CO having biological activity, for example for stimulating neurotransmission or vasodilation, or for the treatment of any of hypertension, radiation damage, endotoxic shock, inflammation, and inflammat...
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WO/2002/088195A1 |
The invention concerns a solid catalytic component comprising a metallocene whereof at least a first ligand includes a cyclopentadienyl group chemically bound by a methyl group to a support consisting of a porous inorganic compound. The ...
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WO/2002/088153A1 |
A process for preparing a cyclopentadienyl or indenyl ruthenium complex by treatment of a cyclopentadienyl or indenyl compound with ruthenium trichloride trihydrate and magnesium powder in an alkanol at 0°C to 30°C is described.
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WO/2002/088152A1 |
A process for preparing a cyclopentadienyl or indenyl ruthenium complex by treatment of a cyclopentadienyl or indenyl compound with ruthenium trichloride trihydrate and magnesium powder in an alkanol solvent at 0 °C to -30 °C is descri...
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WO/2002/085920A2 |
Novel polynuclear organometallic complexes useful as catalysts for the reversible deshydrogenation of alkanes and alkane group are disclosed. The novel compounds comprise a first transition, a second transition metal p-bonded to an &ques...
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WO/2002/083699A2 |
A process for preparing dihalide or monohalide metallocene compounds comprising contacting a compound of formula (II) (Cp)(ZR?1¿¿m?)¿n?(A)¿r?ML'¿y? (II) wherein Cp is a cyclopentadienyl radical; (ZR?1¿¿m?)¿n? is a divalent bridgi...
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WO/2002/081529A2 |
Catalyst systems useful for olefin polymerization are disclosed. The catalyst systems include an activator and an organometallic complex. The complex, which incorporates at least one Group 3-10 transition or lanthanide metal, is uniquely...
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WO/2002/079209A1 |
A method for producing a titanocene wherein a TiCl¿3? complex free from salts of metals other than titanium is reacted with a titanocene ligand.
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WO/2002/076999A1 |
The invention relates to compounds in which a transition metal is complexed with two ligand systems and the two systems are reversibly interlinked by at least one bridge from a donor and an acceptor, and at least one substituent on the a...
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WO/2002/074745A1 |
The invention relates to a method for producing substituted cyclopentadiene compounds and to cyclopentadiene compounds obtained by said method.
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WO/2002/074779A1 |
A complex of a Group 3-10 metal, said complex comprising a cyclic group containing delocalized electrons, a bridging group connecting he metal with the cyclic group, and acetylene or a derivative thereof.
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WO/2002/072592A1 |
A novel, optically active alkenylphosphinic acid ester having chirality on a phosphorus atom; and a simple process for producing the ester. An optically active, hydrogenated phosphinic acid ester is reacted with an acetylene compound in ...
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WO/2002/072869A2 |
Novel agents acting as co-factors for replacement of NAD(P)?+¿/NAD(P)H co-enzyme systems in enzymatic oxido-reductive reactions. Agents mimicking the action of NAD(P)?+¿/NAD(P)H system in enzymatic oxidation/reduction of substrates int...
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WO/2002/066679A1 |
The present invention relates to N-[[4-(3-ferrocenecarboxamidopropyl)piperazinyl]-propyl]-1,8
-naphthalene imide useful as an intercalator in electrochemical detection of double-stranded DNAs, and a method for preparation thereof.
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WO/2002/066486A1 |
The invention relates to metal organic compounds having a substituted or unsubstituted heterocycle ligand structure. Novel metal complexes called non-metallocenes are produced by reaction with metal halogenides. Said non-metallocenes can...
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WO/2002/060964A1 |
The present invention relates to a multinuclear metallocene catalyst for olefin polymerization and a process for olefin polymerization using the same, in which the multinuclear metallocene catalyst for olefin polymerization comprises, as...
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WO2001003126A9 |
This invention provides novel high density memory devices (Fig. 3) that are electrically addressable permitting effective reading and writing, that provide a high memory density (102), that provide a high degree of fault tolerance, and t...
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WO/2002/059133A1 |
The invention concerns novel bridged biphosphole ligands of general formula (I), wherein: R?2¿, R?3¿, R?4¿ are selected among hydrogen, alkyl, aryl or silyl, R?1¿ is selected among hydrogen, alkyl, aryl or halogen, R?1¿ capable of b...
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WO/2002/057280A2 |
A process for preparing boratabenzene derivatives is provided. The process includes the hydrogenation of a compound containing a boranaphthalene functional group to form a boratabenzene-containing compound. Depending on the compound cont...
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WO/2002/057272A2 |
A novel constrained geometry titanium (II) diene complex and ligands of such complexes are described. The novel complex has an olefin polymerization activity substantially in excess of a defined activity standard characteristic of analog...
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WO2001078869A9 |
A process is described 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 co...
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WO/2002/053571A1 |
It is intended to provide novel compounds which can be easily separated and purified after the completion of the synthesis thereof, can be obtained at a high yield and are useful as intercaltors for nucleic acid bases such as DNA and RNA...
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WO/2002/050087A1 |
Allyl polyalkylcyclopentadienyl complex of a metal of group 4 of the periodic table, and its use in the preparation of a catalytic composition for the (co)polymerization of $g(a)-olefins. said complex is advantageously stable in solution...
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WO/2002/046203A1 |
A substance for use in the treatment of cancer, includes a compound selected from metallocenyl $g(b)-diketones Mc-CO-CZ¿1?Z¿2?-CO-R. Mc is Fc (ferrocenyl), Rc (ruthenocenyl) or Oc (osmocenyl), R is H, alkyl or aryl and Z¿1? and Z¿2? ...
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WO/2002/044111A1 |
A catalytic transfer hydrogenation process is provided. The catalyst employed in the process is a metal hydrocarbyl complex which is coordinated to defined bidentate ligands substituted with at least one group selected from an optionally...
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WO/2002/042359A2 |
Phosphonite ligands, catalyst compositions containing such ligands and a hydroformylation process using such catalyst compositions involving a bidentate phosphonite ligand having the structure represented by formula (I) wherein the Ar gr...
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WO/2002/034759A1 |
A metal complex corresponding to the formula (1) or (2) wherein: M is titanium, zirconium, or hafnium in the +4, +3, or +2 oxidation state; Y?1¿ and Y?2¿ are independently NR?1¿, PR?1¿, S, O, or an anionic, cyclic or non-cyclic, liga...
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WO/2002/032908A2 |
The invention relates to a method for producing special transition metal compounds, to novel transition metal compounds and to the use of the same for the polymerisation of olefins.
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WO/2002/026750A2 |
Disclosed are substantially enantiomerically pure bis-phosphine compounds comprising a substantially enantiomerically pure chiral backbone linking two phosphine residues wherein one of the phosphine residues has three phosphorus-carbon b...
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WO/2002/026868A1 |
A metal catalyst for the ring-opening polymerization of a heterocyclic compound which has a metal atom and a ligand, characterized in that it has a smallest maximum angle (Dm) among all maximum angles (D) of 60 degree or less, wherein th...
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WO/2002/024714A1 |
Transition metal compounds of the general formula (I), and polymerization catalysts for olefins containing the compounds and activating promoters as the main components. In said formula M is a metal element selected from among Group 3 to...
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WO/2002/022526A2 |
The catalysts of formula (II): [Ru(L)¿m?(L')¿w?XY], wherein X and Y represent simultaneously or independently a hydrogen or halogen atom, a hydroxy group, or an alkoxy, carboxyl or other anionic radical, m is 1 or 2, w is 1 when m is 1...
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WO/2002/022694A1 |
Catalyst compositions useful for the polymerization of olefins are disclosed. These compositions comprise a Group 8-10 metal complex comprising a bidentate or variable denticity ligand comprising two nitrogen donor atoms independently su...
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WO/2002/020156A2 |
Surprisingly stable olefin polymerization catalysts and co-catalysts formed from hydroxyaluminoxanes are revealed. In one embodiment of the invention, a solid composition of matter is formed from a hydroxyaluminoxane and a treating agent...
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WO/2002/018398A1 |
The present invention relates to iron-organo compounds and the use of such compounds in the regeneration of particulate filter traps in combustion systems such as high-compression spontaneous ignition engines. The iron-organo compounds h...
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WO/2002/018397A1 |
The invention relates to a method for producing highly substituted alkyl-bridged ligand systems on the basis of indene derivatives and transition metal compounds. Said alkyl-bridged ligand systems can be obtained in high yields using thi...
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WO/2002/016374A1 |
The invention describes ligands of formula (I), wherein LIG represents an $g(h)?5¿-ligand substituted by a group R¿1? and a group (R')¿m?; X represents a 1 to 3 atom bridge; Y represents a nitrogen or phosphorus atom; Z represents a c...
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WO/2002/014336A1 |
In ruthenium complexes of general formula A or B, X?1¿, X?2¿ independently represent single or multidentate anionic ligands; R, R', R'' independently represent hydrogen or optionally substituted C¿1-20?-alkyl, C¿6-20?-aryl or C¿7-20...
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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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