Silicon Present In Inorganic Oxygen-containing Compound Patents (Class 526/129)
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Patent number: 6884857Abstract: Metal complexes having constrained geometry and a process for preparation thereof, addition polymerization catalysts formed therefrom, processes for preparation of such addition polymerization catalysts, methods of use, and novel polymers formed thereby, including ElPE resins and pseudo-random copolymers, are disclosed and claimed.Type: GrantFiled: April 13, 1998Date of Patent: April 26, 2005Assignee: The Dow Chemical CompanyInventors: James C. Stevens, David R. Wilson
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Patent number: 6875828Abstract: A process of producing a bimodal polyolefin composition is described, which includes in one embodiment contacting monomers with a supported bimetallic catalyst composition for a time sufficient to form a bimodal polyolefin composition that includes a high molecular weight polyolefin component and a low molecular weight polyolefin component; wherein the supported bimetallic catalyst includes a first catalyst component that is preferably non-metallocene, and a second catalyst component that includes a metallocene catalyst compound having at least one fluoride or fluorine containing leaving group, wherein the bimetallic catalyst is supported by an enhanced silica, dehydrated at a temperature of 800° C. or more in one embodiment.Type: GrantFiled: February 18, 2003Date of Patent: April 5, 2005Assignee: Univation Technologies, LLCInventors: Chi-I Kuo, G. McCullough Laughlin, Pradeep Pandurang Shirodkar, Fred David Ehrman, Porter Shannon, Robert Lynn Santana, Steven K. Ackerman, Daniel Gerard O'Neil
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Patent number: 6872791Abstract: Disclosed herein is a polyolefin nanocomposite prepared by polymerizing an olefin monomer in a catalyst system comprising (1) a supported catalyst consisting of a polymer, a silicate clay mineral, and a transition metal compound, and cocatalyst, an alkyl aluminoxane.Type: GrantFiled: December 22, 2001Date of Patent: March 29, 2005Assignee: Samsung Atofina Co. Ltd.Inventors: Yoon Hwan Lee, Won Beum Jung, Young Soo Ko, Ki Su Ro
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Patent number: 6864206Abstract: This invention relates to a method to support one or more catalyst compounds comprising contacting the catalyst compounds with a pretreatment agent comprising an aluminum alkyl and or an alumoxane in solution and thereafter contacting the combination with a supported activator.Type: GrantFiled: February 5, 2003Date of Patent: March 8, 2005Assignee: Univation Technologies, LLCInventors: Thomas Henry Peterson, Eric Lucas
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Patent number: 6858685Abstract: There is provided a process for producing a catalyst for olefin polymerization, which comprises the step of contacting (1) an organ aluminum compound, (2) an external electron donor compound and (3) a solid catalyst component obtained by a process comprising the steps of; (i) reducing a titanium compound represented by the following formula [I] with an organomagnesium compound in the presence of a fine particle and an organosilicon compound having an Si—O bond to obtain a solid product, and (ii) contacting the solid product, a halogenocompound having halogenation ability and an internal electron donor compound to obtaining the solid catalyst component.Type: GrantFiled: July 31, 2002Date of Patent: February 22, 2005Assignee: Sumitomo Chemical Company, LimitedInventors: Ken Yoshimura, Shin-ichi Kumamoto, Makoto Satoh
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Patent number: 6858558Abstract: The invention relates to a catalyst component and a catalyst system for the preparation of high molecular weight ethylene or alpha-olefin homopolymers, ethylene-alpha-olefin copolymers, terpolymers or tetrapolymers, in a polymerization process, which is expediently effected in solution, at elevated temperature, preferably at least 80 DEG C. The catalyst system comprises a group 4-6 metal, preferably group 4 metal, a cyclic ligand (such as a cyclopentadienyl-type ligand), which forms a delocalized pi-bond with the metal M, a monohapto bonded 1,3-diaza-2-imino heterocyclic ligand (such as an iminoimidazolidine-type ligand) and anionic ligands and a catalyst activator coupound.Type: GrantFiled: March 5, 2002Date of Patent: February 22, 2005Assignee: Stichting Dutch Polymer InstituteInventor: Winfried Peter Kretschmer
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Patent number: 6855782Abstract: Supported stereospecific catalysts and processes for the stereotactic propagation of a polymer chain derived from ethylenically unsaturated monomers which contain three or more carbon atoms or which are substituted vinyl compounds, such as styrene and vinyl chloride. One application is the stereospecific propagation of C3-C4 alpha olefins, particularly the polymerization of propylene to produce syndiotactic polypropylene over a supported metallocene catalyst comprising a stereospecific metallocene catalyst component incorporating a metallocene ligand structure having two sterically dissimilar cyclopentadienyl ring structures coordinated with the central transition metal atom. Both of the cyclopentadienyl groups are in a relationship with one another by virtue of bridge or substituent groups, which provide a stereorigid relationship relative to the coordinating transition metal atom to prevent rotation of said ring structures.Type: GrantFiled: April 2, 2002Date of Patent: February 15, 2005Assignee: Fina Technology, Inc.Inventors: Edwar S. Shamshoum, Margarito Lopez
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Patent number: 6852811Abstract: The subject invention provides a process for preparing an olefin polymerization catalyst wherein a calcined and passivated silica support (support precursor) is sequentially contacted with a first solution of a metal complex or of a cocatalyst, and thereafter with a second solution of the other of the metal complex or the cocatalyst, wherein the second solution is provided in an amount such that 100 percent of the pore volume of the support precursor is not exceeded. Optionally, the compatible solvent of the first and/or second solutions is removed. The subject invention further provides a process for polymerizing one or more ?-olefins in the presence of the olefin polymerization catalyst prepared by the process of the invention.Type: GrantFiled: December 6, 1999Date of Patent: February 8, 2005Assignee: The Dow Chemical CompanyInventors: Edmund M. Carnahan, Ian M. Munro, Marc A. Springs
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Patent number: 6846771Abstract: Complexes of the formulae Ia and Ib where M=Ti, Zr, Hf, V, Nb, Ta, Cr, Ni, Pd, can be used for the polymerization and copolymerization of olefins, for example in suspension polymerization processes, gas-phase polymerization processes and bulk polymerization processes.Type: GrantFiled: February 6, 2003Date of Patent: January 25, 2005Assignee: BASF AktiengesellschaftInventors: Marc Oliver Kristen, Peter Preishuber-Pflügl, Benno Bildstein, Alexander Krajete
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Patent number: 6846770Abstract: This invention relates to metallocene catalyst compositions which are highly active for the polymerization of olefins, particularly prochiral ?-olefins. The catalyst compositions contain at least one metallocene, and least one activator and a support that has been fluorided using a fluoride containing compound.Type: GrantFiled: February 11, 2002Date of Patent: January 25, 2005Assignee: ExxonMobil Chemical Patents Inc.Inventor: Anthony N. Speca
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Patent number: 6838533Abstract: This invention provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer. This invention also provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer, wherein said catalyst composition comprises contacting an organometal compound, an organoaluminum compound, and a solid, wherein said solid is selected from the group consisting of titanium tetrafluoride, zirconium tetrafluoride, and a treated solid oxide compound.Type: GrantFiled: May 23, 2003Date of Patent: January 4, 2005Assignee: Philips Petroleum CompanyInventors: Max P. McDaniel, Marvin M. Johnson, Bruce B. Randolph, Kathy S. Collins, Elizabeth A. Benham, Michael D. Jensen, Gil R. Hawley, Joel L. Martin
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Publication number: 20040266961Abstract: This invention relates to a transition metal catalyst compound represented by the formula: LMX2 or (LMX2)2 wherein each M is independently a Group 7 to 11 metal, preferably a Group 7, 8, 9, or 10 metal; each L is, independently, a tridentate or tetradentate neutrally charged ligand that is bonded to M by three or four nitrogen atoms, (where at least one of the nitrogen atoms is a central nitrogen atom and at least two of the nitrogen atoms are terminal nitrogen atoms), and at least two terminal nitrogen atoms are substituted with one C3-C50 hydrocarbyl and one hydrogen atom or two hydrocarbyls wherein at least one hydrocarbyl is a C3-C50 hydrocarbyl, and the central nitrogen atom is bonded to three different carbon atoms or two different carbon atoms and one hydrogen atom; X is independently a monoanionic ligand, or two X may join together to form a bidentate dianionic ligand.Type: ApplicationFiled: May 27, 2004Publication date: December 30, 2004Inventors: Gregory Adam Solan, Christopher James Davies
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Publication number: 20040259723Abstract: A spray-dried composition comprising the reaction product of a magnesium halide, a solvent, an electron donor compound, and a transition metal compound and an inert filler comprising substantially spherical particles having an average particle size ranging from about 1 &mgr;m to about 12 &mgr;m, and a polymerization process using the same.Type: ApplicationFiled: July 13, 2004Publication date: December 23, 2004Inventors: Burkhard Eric Wagner, Mark Wilton Smale, Robert James Jorgensen
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Patent number: 6833338Abstract: This invention provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer. This invention also provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer, wherein said catalyst composition comprises contacting an organometal compound, an organoaluminum compound, and a treated solid oxide compound.Type: GrantFiled: May 7, 2003Date of Patent: December 21, 2004Assignee: Phillips Petroleum CompanyInventors: Max P. McDaniel, Kathy S. Collins, Gil R. Hawley, Michael D. Jensen, Christopher E. Wittner, Elizabeth A. Benham, Anthony P. Eaton, Joel L. Martin, David C. Rohlfing, Youlu Yu
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Patent number: 6831141Abstract: A process of using a catalyst composition to polymerize at least one monomer to produce a polymer. The process comprises contacting the catalyst composition and at least one monomer in a polymerization zone under polymerization conditions to produce the polymer. The catalyst composition is produced by a process comprising contacting at least one organometal compound, at least one treated solid oxide compound, and at least one organoaluminum compound.Type: GrantFiled: July 19, 2001Date of Patent: December 14, 2004Assignee: Phillips Petroleum CompanyInventors: Max P. McDaniel, Elizabeth A. Benham, Shirley J. Martin, Kathy S. Collins, James L. Smith, Gil R. Hawley, Christopher E. Wittner, Michael D. Jensen
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Publication number: 20040249093Abstract: The present invention provides a method of forming a polyolefin resin having a relatively high densities and a long chain branch index (“LCB”) greater than about 1. The method of the invention comprises forming a reaction mixture by combining molecular hydrogen, a first olefin, an optional second olefin, a diluent, and a vanadium-containing catalyst system at a sufficient temperature to allow formation of the polyolefin resin and initiating polymerization of the reaction mixture.Type: ApplicationFiled: June 9, 2003Publication date: December 9, 2004Inventors: Michael W. Lynch, Manivakkam J. Shankernarayanan
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Patent number: 6828398Abstract: A complex suitable for use as a catalyst in the polymerisation of olefins is disclosed, having the Formula (I) wherein M is a transition metal; X represents an atom or group covalently or ionically bonded to M; T is the oxidation state of M; b is the valency of the atom or group X; A1 to A3 are each independently N or P or CR, with the proviso that at least one but no more than two of them are independently CR; Y1 and Y2 are each independently CR′ or PR′R″; Z is oxygen or NR5, R5 and R7 and each R, each R′ and each R″ are independently selected from hydrogen, halogen, hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl, substituted heterohydrocarbyl or SiR303 where each R30 is independently selected from hydrogen, halogen, hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl and substituted heterohydrocarbyl; but excluding those complexes having the formulae (1) and (2) where in both cases R4 and R6 are Me, R5 and R7 are 2, 4, 6-trimethylphenyl, M is Fe, T is II, X is Cl aType: GrantFiled: November 15, 2002Date of Patent: December 7, 2004Assignee: BP Chemicals LimitedInventors: Vernon Charles Gibson, Olivier Hoarau, Brian Stephen Kimberley, Peter James Maddox
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Patent number: 6825293Abstract: Some properties such as dart impact strength, hexane extractables and resin stickiness of a polyethylene copolymer produced in a gas phase polymerization using a Ziegler-Natta catalyst are better controlled by regulating the ratio of aluminum from the co-catalyst to the polymer production rate. This enables one to improve properties such as dart impact strength and reduce hexane extractables by changing the amount of co-catalyst fed into the reactor.Type: GrantFiled: August 20, 2001Date of Patent: November 30, 2004Assignee: Nova Chemicals (International) S.A.Inventors: Shivendra Kumar Goyal, Timothy Walter Wiwchar, Victoria Ker, Mark Kelly
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Patent number: 6825287Abstract: The invention provides for polymerization catalyst compositions, and for methods for introducing the catalyst compositions into a polymerization reactor. More particularly, the method combines a catalyst component containing slurry and a catalyst component containing solution to form the completed catalyst composition for introduction into the polymerization reactor. The invention is also directed to methods of preparing the catalyst component slurry, the catalyst component solution and the catalyst compositions, to methods of controlling the properties of polymer products utilizing the catalyst compositions, and to polymers produced therefrom.Type: GrantFiled: February 5, 2004Date of Patent: November 30, 2004Assignee: Univation Technologies, LLCInventors: Simon Mawson, Sun-Chueh Kao, Tae Hoon Kwalk, Timothy Roger Lynn, David H. McConville, Matthew Gary McKee, John Francis Szul, Kersten Anne Terry, Timothy T. Wenzel, Mark Gregory Goode, John Henry Oskam, Robert J. Jorgensen, Robert Harold Vogel
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Patent number: 6818712Abstract: 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; ii) addition of the mixture from step (i) to a support material; iii) addition of a metallocene complex in a suitable solvent; iv) further addition of an organometallic compound in a suitable solvent; and v) removal of the solvent. The preferred supported catalysts comprise a constrained geometry metallocene complex for example (t-butylamido)(tetramethyl-→5-cyclopentadienyl) dimethyl silanetitanium-→4-1,3-pentadiene and are particularly suitable for the polymerisation of ethylene or the copolymerisation of ethylene and &agr;-olefins having from 3 to 10 carbons in the gas phase.Type: GrantFiled: January 16, 2003Date of Patent: November 16, 2004Assignee: BP Chemicals LimitedInventors: Christel Marie-Claude Mealares, Michael John Taylor
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Patent number: 6818713Abstract: A process for polymerizing ethylene is disclosed. The process uses a catalyst system which has a supported open architecture indenoindolyl complex. We surprisingly found that modifying the open architecture complex to incorporate a C6-C20 hydrocarbyl amido group enables the production of polyethylene having good flow while maintaining high catalyst activity.Type: GrantFiled: August 11, 2003Date of Patent: November 16, 2004Assignee: Equistar Chemicals, LPInventors: Shaotian Wang, Gregory G. Hlatky
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Patent number: 6812304Abstract: A process for preparing premixed supported boraaryl catalysts having improved shelf life is provided. The process comprises supporting an organometallic compound comprising a group 3-10 transition metal or lanthanide metal and at least one boraaryl ligand an inorganic support which has been chemically and thermally dehydroxylated to remove all hydroxyl from the surface of the support; contacting with an organoaluminum compound utilizing an incipient wetness procedure wherein 90 to 150 percent of the catalyst pore volume is filled with a hydrocarbon solution containing the organoaluminum and provide a molar ratio of aluminum to transition/lanthanide metal of 0.5:1 to 50:1; and recovering the premixed catalyst powder.Type: GrantFiled: February 21, 2001Date of Patent: November 2, 2004Assignee: Equistar Chemicals, LPInventors: Craig C. Meverden, Michael W. Lynch
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Patent number: 6812185Abstract: In a process for preparing a metal-containing supported catalyst or a metal-containing supported catalyst component by impregnation of a support material with an impregnation solution comprising the metal component, the impregnation solution flows through the support material.Type: GrantFiled: July 30, 2003Date of Patent: November 2, 2004Assignee: Basell Polyolefine GmbHInventors: David Fischer, Wolfgang Bidell, Ulrich Moll, Joachim Rösch, Franz Langhauser, Roland Hingmann, Heike Gregorius, Carsten Süling, Günther Schweier
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Patent number: 6812303Abstract: A novel olefin polymerization catalyst comprising: (A) a transition metal compound comprising a transition metal having &eegr;-bonded thereto a cyclic anionic ligand; (B) a mixture of (B-1) an activator compound capable of forming, together with component (A), a metal complex having a catalytic activity and (B-2) an organometal compound, the activator compound (B-1) comprising a cation and a noncoordinating, compatible anion; (C) a solid component; and optionally (D) an organoaluminum compound, wherein the catalyst is obtained by contacting components (A) to (C) and optionally component (D).Type: GrantFiled: May 10, 2000Date of Patent: November 2, 2004Assignee: Asahi Kasei Kabushiki KaishaInventors: Fumio Matsushita, Akio Fujiwara
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Publication number: 20040210014Abstract: The invention encompasses late transition metal catalyst systems immobilized on solid supports and their use in heterogenous polymerization processes, particularly in gas phase polymerization of olefin monomers. Preferred embodiments include a late transition metal catalyst system comprising a Group 9, 10, or 11 metal complex stabilized by a bidentate ligand structure immobilized on a solid porous metal or metalloid oxide particle support, particularly those comprising silica. The gas phase polymerization process for olefin monomers comprises contacting one or more olefins with these catalyst systems under gas phase polymerization conditions.Type: ApplicationFiled: May 4, 2004Publication date: October 21, 2004Inventors: George Alan Vaughan, Jo Ann Marie Canich, Phillip T. Matsunaga, David Edward Gindelberger, Kevin Richard Squire
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Patent number: 6806221Abstract: A method of making a spray-dried composition using a solution or mixture comprising the reaction product of a magnesium halide, a solvent, an electron donor compound, and a transition metal compound and an inert filler comprising substantially spherical particles having an average particle size ranging from 1 &mgr;m to about 12 &mgr;m.Type: GrantFiled: July 15, 2002Date of Patent: October 19, 2004Assignee: Dow Global Technologies Inc.Inventors: Burkhard Eric Wagner, Robert James Jorgensen, Mark Wilton Smale
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Publication number: 20040204310Abstract: 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 component, and a metallocene catalyst component. The support has an average particle size of 10-50 microns, a surface area of 200-800 m2/g and a pore volume of 0.9-2.1 milliliters per gram (ml/g). Alumoxane is incorporated onto the support to provide a weight ratio of alumoxane to silica of at least 0.8:1.Type: ApplicationFiled: April 11, 2003Publication date: October 14, 2004Inventors: William J. Gauthier, Margaret Kerr, Jun Tian, David J. Rauscher, Constance Hayworth Patrick, Shady Henry
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Patent number: 6800702Abstract: A process for the trimerisation of olefins is disclosed, comprising contacting a monomeric olefin or mixture of olefins under trimerisation conditions with a catalyst which comprises (a) a source of chromium, molybdenum or tungsten (b) a ligand containing at least one phosphorus, arsenic or antimony atom bound to at least one hydrocarbyl or heterohydrocarbyl group having a polar substituent, but excluding the case where all such polar substituents are phosphane, arsane or stibana groups; and optionally (c) an activator.Type: GrantFiled: January 10, 2003Date of Patent: October 5, 2004Assignee: BP Chemicals LimitedInventor: Duncan Frank Wass
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Publication number: 20040192541Abstract: The invention relates to a catalyst component and a catalyst system for the preparation of high molecular weight ethylene or alpha-olefin homopolymers, ethylene-alpha-olefin copolymers, terpolymers or tetrapolymers, in a polymerization process, which is expediently effected in solution, at elevated temperature, preferably at least 80 DEG C. The catalyst system comprises a group 4-6 metal, preferably group 4 metal, a cyclic ligand (such as a cyclopentadienyl-type ligand), which forms a delocalized pi-bond with the metal M, a monohapto bonded 1,3-diaza-2-imino heterocyclic ligand (such as an iminoimidazolidine-type ligand) and anionic ligands and a catalyst activator coupound.Type: ApplicationFiled: March 23, 2004Publication date: September 30, 2004Inventor: Winfried Peter Kretschmer
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Patent number: 6794468Abstract: A process for polymerizing olefins is disclosed. The process combines a bridged indenoindolyl organometallic complex and an activator with a support material in the presence of an aromatic solvent. The supported catalyst containing the aromatic solvent is used to polymerize an olefin in the presence of hydrogen. Polyolefins from the process have improved flow properties.Type: GrantFiled: May 12, 2003Date of Patent: September 21, 2004Assignee: Equistar Chemicals, LPInventor: Shaotian Wang
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Patent number: 6787616Abstract: A solid catalyst for olefin polymerization, which comprises a silica carrier (A) having a specific surface area of from 600 to 850 m2/g, a pore volume of from 0.1 to 0.8 ml/g and an average particle size of from 2 to 12 &mgr;m, and an organoaluminum-oxy compound (B) and a Group IVB transition metal compound (C) containing a ligand having a cyclopentadienyl skeleton, supported on the carrier (A).Type: GrantFiled: June 18, 2003Date of Patent: September 7, 2004Assignee: Maruzen Petrochemical Co., Ltd.Inventors: Toshifumi Takemori, Masashi Iida, Minoru Iijima, Yoshihisa Hayashida, Masao Kawahara
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Publication number: 20040167015Abstract: Broad molecular weight polyethylene and polyethylene having a bimodal molecular weight profile can be produced with chromium oxide based catalyst systems employing alkyl silanols. The systems may also comprise various organoaluminum compounds. Catalyst activity and molecular weight of the resulting polyethylene may also be tuned using the present invention.Type: ApplicationFiled: January 22, 2004Publication date: August 26, 2004Inventors: Kevin J. Cann, Minghui Zhang, John H. Moorhouse, Maria A. Apecetche
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Patent number: 6780946Abstract: Activator solid support for metallocenes as catalysts in the polymerization of olefins, characterized in that it consists of a group of support particles for a solid catalytic component, which are formed from at least one porous mineral oxide, the said particles having been modified in order to carry, on the surface, aluminum and/or magnesium Lewis-acid sites of formula: groups coming from a functionalization agent having reacted with —OH radicals carried by the base particles of the support, the functionalization reaction having been followed by a fluorination reaction. The catalytic system according to the invention comprises (a) a metallocene catalyst, which has, if required, been subjected to a prealkylation treatment; (b) a cocatalyst; and (c) an activator solid support for metallocene, as defined above, it being possible for the cocatalyst (b) to be absent if the metallocene catalyst (a) has been prealkylated.Type: GrantFiled: April 1, 2003Date of Patent: August 24, 2004Assignee: Elf Atochem S.A.Inventors: Thierry Saudemont, Roger Spitz, Jean-Pierre Broyer, Jean Malinge, Nathalie Verdel
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Publication number: 20040162402Abstract: The invention provides for polymerization catalyst compositions, and for methods for introducing the catalyst compositions into a polymerization reactor. More particularly, the method combines a catalyst component containing slurry and a catalyst component containing solution to form the completed catalyst composition for introduction into the polymerization reactor. The invention is also directed to methods of preparing the catalyst component slurry, the catalyst component solution and the catalyst compositions, to methods of controlling the properties of polymer products utilizing the catalyst compositions, and to polymers produced therefrom.Type: ApplicationFiled: February 5, 2004Publication date: August 19, 2004Inventors: Simon Mawson, Sun-Chueh Kao, Tae Hoon Kwalk, Timothy Roger Lynn, David H. McConville, Matthew Gary McKee, John Francis Szul, Kersten Anne Terry, Timothy T. Wenzel, Mark Gregory Goode, John Henry Oskam, Robert J. Jorgensen, Robert Harold Vogel
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Publication number: 20040157729Abstract: An olefin polymerization catalyst system, comprising a catalyst represented by the general formula CrR4, wherein each R is independently a hydrocarbyl or substituted hydrocarbyl, with the proviso that R may not be a cyclopentadienyl group, an activator represented by the general formula, MQ2, where M is a Group II metal, where each Q is independently an alkyl, or substituted alkyl; and a support. The support may be organic or inorganic. Ethylene and one or more olefins may be polymerized by the catalyst system.Type: ApplicationFiled: February 10, 2003Publication date: August 12, 2004Inventors: Zerong Lin, Robert T. Li, Anthony N. Speca, Stanley J. Katzen, David H. McConville
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Patent number: 6774079Abstract: Supported inonic metallocene catalyst prepared by a process comprising the following steps; (i) mixing together in a suitable solvent (a) an metallocene complex, (b) an ionic compound comprising a cation and an anion having up to 100 non-hydrogen atoms and containing at least one substituent comprising a moiety having an active hydrogen, and (c) optionally a support material, (ii) treating the mixture obtained in (i) with an organometallic compound, and (iii) addition of a support material if not added in step (i), and (iv) removing the solvent.Type: GrantFiled: August 4, 2000Date of Patent: August 10, 2004Assignee: BP Chemicals LimitedInventors: Michael John Taylor, Christel Marie-Claude Mealares, Ian McKenzie Munro
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Publication number: 20040147692Abstract: The invention discloses a solid catalytic component comprising a metallocene, at least one first ligand of which comprises a cyclopentadienyl group chemically bonded via a methyl group to a support composed of a porous inorganic compound. It also discloses a process for the preparation of such a solid catalytic component.Type: ApplicationFiled: October 27, 2003Publication date: July 29, 2004Inventors: Frederic Bortolussi, Christophe Boisson, Roger Spitz, Jean Malinge, Jean-Pierre Broyer
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Patent number: 6765074Abstract: An olefin polymerization process is disclosed. The process comprises polymerizing olefins in the presence of a supported indenoindolyl catalyst system and an organoboron or organoaluminum-treated solid. The supported indenoindolyl catalyst system comprises a support, an organometallic complex comprising a Group 3 to 10 transition or lanthanide metal, M, and at least one indenoindolyl ligand that is &pgr;-bonded to M, and an activator. Performing the process in the presence of the organoboron or organoaluminum-treated solid surprisingly leads to an increased activity compared to polymerization processes performed without the treated solid.Type: GrantFiled: September 27, 2002Date of Patent: July 20, 2004Assignee: Equistar Chemicals, LPInventor: William J. Sartain
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Patent number: 6762255Abstract: Prealkylation of a supported catalyst system comprising a transition metal or inner transition metal complex precatalyst and a bulky, non-coordinating anion on an inorganic support by treatment with a solution of metal alkyl in a ratio of metal of metal alkyl to transition metal or inner transition metal of precatalyst less than 20:1, and in an amount of solution insufficient to form a paste or dispersion provides supported catalysts of high olefin polymerization activity which promote production of polyolefins of low polydispersity and improved morphology.Type: GrantFiled: June 6, 2002Date of Patent: July 13, 2004Assignee: Equistar Chemicals L.P.Inventors: Craig C. Meverden, Michael W. Lynch
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Patent number: 6762258Abstract: Novel nitrogen containing transition metal complexes have general formula (I): wherein M is Fe[II], Fe[III], Ni[II], Co[I], Co[II], Co[III], V[III], Mn[I], Mn[II], Mn[III], Mn[IV], Ru[II], Ru[III] or Ru[IV]; Pd[II], V[III], V[IV] or V[V]. X represents an atom or group covalently or ionically bonded to the transition metal M; R is independently selected from hydrogen, halogen, hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl or substituted heterohydrocarbyl; Z is a bridging group comprising a donor atom of N, P or S or alternatively is a neutral group comprising a C1-C4 alkylene group, a silyl or germyl group, and n= an integer to satisfy the valency of M.Type: GrantFiled: August 9, 2001Date of Patent: July 13, 2004Assignee: BP Chemicals LimitedInventors: Manfred Bochmann, Mark John Sarsfield
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Publication number: 20040132933Abstract: A process for preparing a mixed catalyst compound used in the polymerization of polyolefins to produce bimodal polyethylenes is disclosed. In an embodiment, a process of preparing the mixed catalyst system includes: mixing a first catalyst and an activator in a first liquid medium to form a first mixture, combining a support with the first mixture to form a first support slurry, drying the first support slurry in an extent sufficient to provide a dried supported first catalyst, mixing the dried supported first catalyst in a second liquid medium to form a second support slurry, and combining one or more additional catalysts with the second support slurry to provide the mixed catalyst compound.Type: ApplicationFiled: September 16, 2003Publication date: July 8, 2004Inventors: Donna Jean Crowther, John Francis Szul
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Publication number: 20040132932Abstract: Polymerization processes for ethylene and at least one mono-1-olefin comonomer having from about three to eight carbon atoms per molecule in the presence of a twice-aged catalyst system comprising chromium supported on a silica-titania support and a trialkylboron compound is provided. Novel ethylene copolymers also are produced.Type: ApplicationFiled: October 10, 2003Publication date: July 8, 2004Inventors: Steven J. Secora, Gerhard K. Guenther, Elizabeth A. Benham, Max P. McDaniel, Joseph J. Bergmeister
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Publication number: 20040127349Abstract: The invention provides a catalyst component for ethylene polymerization, comprising an inorganic oxide support, and at least one alkyl metal compound, at least one halide, at least one dihydrocarbyl magnesium compound, at least one difuntional compound that reacts with the dihydrocarbyl magnesium compound and at least one titanium compound. The invention also relates to a process for preparing the catalyst component and use thereof. The catalyst comprising the catalyst component exhibits good hydrogen response and activity balance, and that the amount of static charges carried by the catalyst solid component powders is remarkably reduced will facilitate the industrial-scale operation of polymerization.Type: ApplicationFiled: October 15, 2003Publication date: July 1, 2004Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRYInventors: Kejing Gao, Dongbing Liu, Wei Chen, Guirong Fan, Xinping Lu, Jingyan An, Ying Guan, Jun Zhang, Qinfang Zhao
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Publication number: 20040122191Abstract: This invention relates to a process to produce propylene polymers comprising contacting a metallocene catalyst compound and an activator in a reaction medium comprising propylene, from 0 to 30 volume % of one or more solvents and from 0 to 30 mole % of one or more comonomers, under temperature and pressure conditions below the melting point of the propylene polymer and where:Type: ApplicationFiled: September 22, 2003Publication date: June 24, 2004Inventors: Palanisamy Arjunan, Simon X. Zhang, Charles Cozewith
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Patent number: 6750302Abstract: A polymerization catalyst is disclosed, wherein the catalyst comprises: (a) a metallocene of Ti, Zr or Hf, (b) an organoaluminum compound, and (c) a treated solid oxide support which comprises fluorine and chromium.Type: GrantFiled: December 16, 1999Date of Patent: June 15, 2004Assignee: Phillips Petroleum CompanyInventors: Max P. McDaniel, Kathy S. Collins, Elizabeth A. Benham, Anthony P. Eaton, Michael D. Jensen, Joel L. Martin, Gil R. Hawley, Eric T. Hsieh
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Patent number: 6743871Abstract: The invention concerns a method for producing ethylene homopolymers or copolymers comprising at least 90 mol % of units derived from ethylene which consists in: contacting in polymerising conditions, the monomers with a catalytic system including: (a) a catalytic solid comprising a metallocene of a transition metal of groups 4 to 6 of the periodic table containing at least a cyclopentadiene ligand capable of being substituted and a support, (b) at least an organoaluminium compound selected among compounds of general formula (1): AlTx(Y′)yX′z wherein: T is a hydrocarbon group containing 1 to 30 carbon atoms; Y′ is a group selected among —OR′, —SR′ and NR′R″ with R′ and R″ independently representing a hydrocarbon group containing 1 to 30 carbons atoms; X′ is a halogen atom: x verifies the relationship 0<x≦3; y verifies the relationship 0≦y<3; z verifies the relationship 0≦2<3, and x+y+z=3, and (c) at leastType: GrantFiled: May 5, 2003Date of Patent: June 1, 2004Assignee: Solvay Polyolefins Europe-Belgium(S.A.)Inventors: Giuliano Bertozzi, Fabian Siberdt
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Publication number: 20040102312Abstract: Processes of forming a supported activated catalyst composition and method of polymerization are disclosed, the process of forming the composition including combining a halogenated aromatic aluminum activator compound with a fluorinated support and a catalyst to form a supported activated catalyst composition. Also disclosed is a supported activated catalyst composition, comprising the reaction product of a fluorinated support, a perfluorophenyl aluminum activator and in one embodiment a metallocene catalyst. In one embodiment, the halogenated aromatic aluminum activator is represented by the formula RnAl(ArHal)3-n, wherein ArHal is a halogenated aryl group, R is a monoanionic ligand, and n is 1 or 2.Type: ApplicationFiled: August 21, 2003Publication date: May 27, 2004Inventors: Laughlin G. McCullough, Matthew W. Holtcamp
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Patent number: 6737379Abstract: Provided are an aluminium-oxy compound obtained through reaction of an organoaluminium compound with water, which is soluble in hydrocarbon solvents and in which the amount of the organoaluminium compound remaining is at most 10% by weight; a carrier comprising the aluminium-oxy compound and an inorganic compound; and a catalyst component for olefin polymerization comprising the carrier and a transition metal compound. The catalyst component for olefin polymer production comprises the aluminium-oxy compound and gives polyolefins with good polymer morphology.Type: GrantFiled: August 10, 2000Date of Patent: May 18, 2004Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Mitsugu Kanzawa, Shuji Machida
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Publication number: 20040092681Abstract: A method of controlling the molecular weight distribution of a polyalpha-olefin during polymerization, comprising changing the aluminoxane to chromium ratio of a polymerization catalyst comprising chromium and at least one aluminoxane to thereby adjust the molecular weight distribution.Type: ApplicationFiled: March 19, 2003Publication date: May 13, 2004Inventors: Anne Baudouin, Jean Thivolle-Cazat, Jean-Marie Basset
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Patent number: 6734266Abstract: A supported catalyst for olefin polymerization comprises a combination of a sulfated metal oxide support, an aluminoxane and an organometallic complex of a group 4 metal. The sulfated metal oxide may be quickly and conveniently prepared by, for example, contacting the precursor metal oxide with a sulfuric acid. The supported catalyst of this invention is highly active for olefin polymerization in comparison to conventional catalysts which are prepared with non-sulfated supports.Type: GrantFiled: February 13, 2002Date of Patent: May 11, 2004Assignee: Nova Chemicals (International) S.A.Inventors: Xiaoliang Gao, P. Scott Chisholm, Matthew Gerald Kowalchuk, Robert D. Donaldson