Plural Unsaturated 5-membered Carbocyclic Rings Bonded Directly To The Metal Patents (Class 556/53)
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Publication number: 20120252993Abstract: A complex containing a ligand of formula (I): useful in the formation of olefin polymerization catalysts and their use in olefin polymerization.Type: ApplicationFiled: June 11, 2012Publication date: October 4, 2012Applicant: BOREALIS TECHNOLOGY OYInventors: Alexander Zelmanovich VOSKOBOYNIKOV, Andrei Fyodorovich Asachenko, Dmitry Konanovich, Mikhail V. Nikulin, Alexey Tzarev, Janne Maaranen, Tiina Vanne, Jyrki Kauhanen, Erik Mansner, Esa Kokko, Laura Saarinen
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Patent number: 8247587Abstract: The present invention relates to monohydroindacenyl complexes as active catalytic components in the copolymerization of ethylene. The complexes are suitable for direct preparation of ethylene copolymers having a narrow molecular distribution as well as the desired levels of low density and preferably a predetermined value of glass transition temperature Tg. The produced copolymers showing improved elastomeric performance can be prepared in a single step during polymerization reaction, thus avoiding a blending step following the polymerization step.Type: GrantFiled: December 11, 2008Date of Patent: August 21, 2012Assignee: Basell Polyolefine GmbHInventors: Fabiana Fantinel, Shahram Mihan
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Patent number: 8236910Abstract: Cycloolefin copolymers which are distinguished by the presence of racemic diads of repeating polycyclic units and additionally by racemic triads of repeating polycyclic units are described. These copolymers can be prepared by copolymerization of polycyclic olefins with linear olefins in the presence of metallocene catalysts which have no Cs symmetry in relation to the centroid-M-centroid plane. The novel copolymers can be used for the production of shaped articles, in particular of films.Type: GrantFiled: March 19, 2008Date of Patent: August 7, 2012Assignee: Topas Advanced Polymers GmbHInventors: Dieter Ruchatz, Anne-Meike Schauwienold, Peter Jörg
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Publication number: 20120196449Abstract: A zirconium precursor selected from among compounds of Formulae (I), (II) and (III): wherein: M is Zr, Hf or Ti; R1 is hydrogen or C1-C5 alkyl; each of R2, R? and R? is independently selected from C1-C5 alkyl; and n has a value of 0, 1, 2, 3 or 4. Compounds of such formulae are useful in vapor deposition processes such as atomic layer deposition, to form corresponding metal-containing films, e.g., high k dielectric zirconium films in the fabrication of DRAM memory cells.Type: ApplicationFiled: January 27, 2012Publication date: August 2, 2012Applicant: ADVANCED TECHNOLOGY MATERIALS, INC.Inventors: Chongying Xu, Thomas M. Cameron, William Hunks
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Publication number: 20120178953Abstract: Solution-based precursors for use as starting materials in film deposition processes, such as atomic layer deposition, chemical vapor deposition and metalorganic chemical vapor deposition. The solution-based precursors allow for the use of otherwise solid precursors that would be unsuitable for vapor phase deposition processes because of their tendency to decompose and solidify during vaporization.Type: ApplicationFiled: July 1, 2010Publication date: July 12, 2012Inventors: Ce Ma, Kee-Chan Kim, Graham Anthony McFarlane
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Publication number: 20120172550Abstract: Homogeneous catalyst based on titanium compounds of the type (R1Cp)(R2Cp)Ti(PhOR3)2, where Cp is a cyclopentadienyl group, R1 and R2 are identical or different alkyl radicals (C3-C10), Ph is a phenyl group and OR3 is an alkoxyl group. Moreover, the invention relates to the use of said catalyst in a method for the hydrogenation of double bonds in unsaturated compounds, preferably polymers and/or copolymers of conjugated dienes, under mild reaction conditions.Type: ApplicationFiled: June 21, 2010Publication date: July 5, 2012Applicant: Dynasol Elastomeros, S.A.Inventors: Mª Dolores Parellada Ferrer, Manuel López Reyes, Luis Serrano Aviles
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Patent number: 8207281Abstract: The present invention relates to a process for preparing transition metal compounds, in particular ansa-bisindenyl-metallocenes having nitrogen, phosphor, sulfur or oxygen comprising substituents, the corresponding transition metal compounds themselves and their use in the preparation of catalyst systems and also the use of the catalyst systems in the polymerization and copolymerization of olefins.Type: GrantFiled: December 11, 2008Date of Patent: June 26, 2012Assignee: Basell Polyolefine GmbHInventor: Reynald Chevalier
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Publication number: 20120149854Abstract: The present invention provides polymerization catalyst compositions employing novel heterodinuclear metallocene compounds. Methods for making these new dinuclear metallocene compounds and for using such compounds in catalyst compositions for the polymerization of olefins are also provided.Type: ApplicationFiled: February 16, 2012Publication date: June 14, 2012Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LPInventors: REX E. MURRAY, KUMUDINI C. JAYARATNE, QING YANG, JOEL L. MARTIN, GARY L. GLASS
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Publication number: 20120142874Abstract: The present invention relates to non-symmetrical organometallic transition metal compounds of the compound of the formula (I) where R8 and R9 are identical or different and each an substituted or unsubstituted organic radical having from 1 to 40 carbon atoms, catalyst systems comprising at least one of the organometallic transition metal compounds of the present invention and a process for preparing polyolefins by polymerization or copolymerization of at least one olefin in the presence of one of the catalyst systems of the present invention.Type: ApplicationFiled: July 20, 2010Publication date: June 7, 2012Applicant: BASELL POLYOLEFINE GMBHInventors: Fabiana Fantinel, Ilya Nifant'ev, Shahram Mihan
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Patent number: 8173828Abstract: Halogen substituted metallocene compounds are described and comprise one or more monocyclic or polycyclic ligands that are pi-bonded to the metal atom and include at least one halogen substituent directly bonded to an sp2 carbon atom at a bondable ring position of the ligand, wherein the or at least one ligand has one or more ring heteroatoms in its cyclic structure. When combined with a suitable activator, these compounds show activity in the polymerization of olefins, such as ethylene and propylene.Type: GrantFiled: November 22, 2010Date of Patent: May 8, 2012Assignee: ExxonMobil Chemical Patents Inc.Inventors: Alexander Z. Voskoboynikov, Alexey N. Ryabov, Mikhail V. Nikulin, Alexander V. Lygin, Dmitry V. Uborsky, Catalina L. Coker, Jo Ann M. Canich
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Publication number: 20120095175Abstract: Catalyst compositions and processes for the polymerization of ethylenically unsaturated monomers to produce polymers, including copolymers or homopolymers. The polymerization catalyst characterized by the formula B(FluL)MQn in which Flu is a fluorenyl group substituted at least the 2,7- and 3,6-positions by hydrocarbyl groups. L is a substituted or unsubstituted cyclopentadienyl, indenyl or fluorenyl group or a heteroorgano group, XR, in which X is a heteroatom from Group 15 or 16 of the Periodic Table of Elements, R is an alkyl group, a cycloalkyl group or an aryl group and B is a structural bridge extending between the groups L and Flu, M is a Group 4 or Group 5 transition metal, such as titanium, zirconium or hafnium and Q is selected from the group consisting of chlorine, bromine, iodine, an alkyl group, an amino group, an aromatic group and mixtures thereof, with n being 1 or 2.Type: ApplicationFiled: December 7, 2011Publication date: April 19, 2012Applicant: FINA TECHNOLOGY, INC.Inventors: Vladimir Marin, Abbas Razavi
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Patent number: 8143430Abstract: The present invention provides polymerization catalyst compositions employing novel heterodinuclear metallocene compounds. Methods for making these new dinuclear metallocene compounds and for using such compounds in catalyst compositions for the polymerization of olefins are also provided.Type: GrantFiled: February 24, 2011Date of Patent: March 27, 2012Assignee: Chevron Phillips Chemical Company LPInventors: Rex E. Murray, Kumudini C. Jayaratne, Qing Yang, Joel L. Martin, Gary L. Glass
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Patent number: 8138286Abstract: Cycloolefin copolymers which are distinguished by the presence of racemic diads of repeating polycyclic units and additionally by racemic triads of repeating polycyclic units are described. These copolymers can be prepared by copolymerization of polycyclic olefins with linear olefins in the presence of metallocene catalysts which have no Cs symmetry in relation to the centroid-M-centroid plane. The novel copolymers can be used for the production of shaped articles, in particular of films.Type: GrantFiled: March 19, 2008Date of Patent: March 20, 2012Assignee: Topas Advanced Polymers GmbHInventors: Dieter Ruchatz, Anne-Meike Schauwienold, Peter Jörg
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Publication number: 20120049391Abstract: [Problem] To provide a preparation process by which an organic alkali metal compound is obtained in a high yield and a process for preparing an organic transition metal compound using the organic alkali metal compound. [Means to solve the problem] A process for preparing an organic alkali metal compound, which is characterized by adding a compound represented by the following formula (2) in the reaction of an active proton-containing compound represented by the following formula (1) with an alkali metal compound. RHp??(1) In the formula (1), R is a hydrocarbon group or an amino group and may contain a halogen atom, a silicon atom, an oxygen atom or a nitrogen atom, H is an active proton, and p is the number of hydrogen atoms abstracted in the reaction with the alkali metal compound.Type: ApplicationFiled: December 2, 2008Publication date: March 1, 2012Inventors: Atsushi Sakuma, Munehito Funaya
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Publication number: 20120010421Abstract: The present invention provides methods of making bridged cyclopentadienyl-indenyl metallocene compounds. Generally, these methods can be conducted without the use of a fine purification process such as distillation, chromatography, and crystallization.Type: ApplicationFiled: July 6, 2010Publication date: January 12, 2012Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LPInventors: Qing Yang, Mark L. Hlavinka
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Patent number: 8093418Abstract: Catalyst compositions and processes for the polymerization of ethylenically unsaturated monomers to produce polymers, including copolymers or homopolymers. Such monomers include ethylene, C3+ alpha olefins and substituted vinyl compounds, such as styrene and vinyl chloride. The polymerization catalyst characterized by the formula B(FluL)MQn in which Flu is a fluorenyl group substituted at at least the 2,7- and 3,6-positions by hydrocarbyl groups, preferably relatively bulky hydrocarbyl groups.Type: GrantFiled: October 5, 2007Date of Patent: January 10, 2012Assignee: Fina Technology, Inc.Inventors: Vladimir Marin, Abbas Razavi
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Publication number: 20110319578Abstract: A transition metal compound represented by the formula (1-1) or the formula (1-2) (M is a transition metal atom) and a process for producing a catalyst for olefin polymerization comprising a step of bringing the transition metal compound into contact with a co-catalytic component for activation.Type: ApplicationFiled: June 29, 2011Publication date: December 29, 2011Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Hidenori HANAOKA, Masato TAKANO, Naoko OCHI, Kazuo TAKAOKI, Kazuyuki ITO, Masayuki HASEGAWA
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Patent number: 8084559Abstract: A transition metal complex represented by formula [1], and its production process; a substituent-carrying fluorene compound represented by formula [2], and its production process; an olefin polymerization catalyst component comprising the complex; an olefin polymerization catalyst obtained by contacting the catalyst component with a defined aluminum compound and/or a defined boron compound; and a production process of an olefin polymer using the catalyst:Type: GrantFiled: January 24, 2006Date of Patent: December 27, 2011Assignee: Sumitomo Chemical Company, LimitedInventors: Taichi Senda, Hidenori Hanaoka, Shinya Nakahara, Kenji Sogoh
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Patent number: 8080681Abstract: The present invention provides polymerization catalyst compositions employing novel dinuclear metallocene compounds. Methods for making these new dinuclear metallocene compounds and for using such compounds in catalyst compositions for the polymerization and copolymerization of olefins are also provided.Type: GrantFiled: December 28, 2007Date of Patent: December 20, 2011Assignee: Chevron Phillips Chemical Company LPInventors: Rex E. Murray, Kumudini C. Jayaratne, Qing Yang, Joel L. Martin
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Patent number: 8071802Abstract: Process for preparing bridged, stereorigid, stereomerically pure dialkoxide metallocenes, diaryl oxide metallocenes and diphenoxide metallocenes of formula Q(Cp)(Cp?)M(OR3)2 in which Cp and Cp? are independently cyclopentadienyl, indenyl or fluorenyl; Q is a bridge between Cp and Cp?; M is a group 4 transition metal, especially Zr, Hf or Ti; R3 is C1-C10 alkyl, optionally substituted by aryl groups, or optionally substituted C6-C10 aryl, characterized in that, a bridged, stereorigid metallocene dihalide Q(Cp)(Cp?)M(X)2, in the form of a rac/meso mixture, is reacted with an alkylating reagent R4-M-(X)n wherein R4 is C1-C10 alkyl or C6-C10 aryl; M is an alkali metal or alkaline earth metal; X is halogen; n is the oxidation number of M reduced by 1; and the resulting reaction mixture or isolated dialkylmetallocene is reacted with an alcohol, an aryl alcohol or a phenol of the general formula HO—R3.Type: GrantFiled: February 27, 2008Date of Patent: December 6, 2011Assignee: Chemtura CorporationInventors: Ralf-Alexander Wendt, Hans-Joachim Unsleber, Nicole Liedtke
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Publication number: 20110288321Abstract: The present invention provides polymerization catalyst compositions employing novel dinuclear metallocene compounds. Methods for making these new dinuclear metallocene compounds and for using such compounds in catalyst compositions for the polymerization and copolymerization of olefins are also provided.Type: ApplicationFiled: August 1, 2011Publication date: November 24, 2011Applicant: Chevron Phillips Chemical Company LPInventors: Rex E. Murray, Kumudini C. Jayaratne, Qing Yang, Joel L. Martin
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Patent number: 8058461Abstract: This invention relates to transition metal compounds, catalyst systems comprising said compounds and polymerization processes using such catalyst systems, where the transition metal compound is represented by the formula: This invention also relates to process to produce such compounds.Type: GrantFiled: March 1, 2010Date of Patent: November 15, 2011Assignee: ExxonMobil Chemical Patents Inc.Inventors: Alexander Z. Voskoboynikov, Mikhail V. Nikulin, Aleksey A. Tsarev, Andrey F. Asachenko, Alexander V. Babkin, Garth R. Giesbrecht, Jo Ann M. Canich
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Publication number: 20110275848Abstract: The present techniques relates generally to polyolefin catalysts and, more specifically, to preparing a precursor compound for an unsymmetric metallocene catalyst, for using the precursor compound to prepare catalysts, and for employing the precursor compounds to prepare catalysts for polyolefin polymerizations.Type: ApplicationFiled: July 19, 2011Publication date: November 10, 2011Applicant: Chevron Phillips Chemical Company LPInventors: Qing Yang, Rex E. Murray, Richard M. Buck
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Patent number: 8026324Abstract: A transition metal complex of the following formula (1): in which A represents an atom of Group 16 of the periodic table; B1 represents an atom of Group 14 of the periodic table; M1 represents a transition metal atom of Group 4 of the periodic table; Cp1 represents a group having a cyclopentadiene anion backbone; R1, R2, R3, R4, R5 and R6 represent independently of one another a hydrogen atom, a halogen atom, a C1-20 alkyl group optionally substituted with a halogen atom; R7, R8, R9, R10, R11 and R12 represent independently of one another a hydrogen atom, a C1-20 alkyl group optionally substituted with a halogen atom; and a 1,3-diene comprising R7, R8, R9, R10, R11, R12 and 4 carbon atoms coordinates on M1, and the 1,3-diene may be of either a cis or trans form, or a mixed form thereof, although the coordination form is not limited, and the double bonds may be delocalized.Type: GrantFiled: March 18, 2008Date of Patent: September 27, 2011Assignee: Sumitomo Chemical Company, LimitedInventors: Hidenori Hanaoka, Masaaki Nabika
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Publication number: 20110172380Abstract: Provided are transition metal catalytic systems for preparing ethylene homopolymers or copolymers of ethylene with ?-olefins. More specifically, provided are Group 4 transition metal catalysts, which is characterized in that the Group 4 transition metal catalyst comprises around the Group 4 transition metal a cyclopentadiene derivative, and at least one naphthoxide ligand(s) having aryl substituent(s) that function(s) as an electron donor and serve(s) to stabilize the catalyst system by surrounding an oxygen atom that links the ligand to the transition metal at 2-position, and there is no cross-linkage between the ligands; catalytic systems comprising such transition metal catalyst and aluminoxane cocatalyst or boron compound cocatalyst; and processes for preparing ethylene homopolymers or copolymers of ethylene with ?-olefins by using the same.Type: ApplicationFiled: September 24, 2009Publication date: July 14, 2011Applicant: SK ENERGY CO., LTDInventors: Myungahn Ok, Dongcheol Shin, Jisu Jeong, Jongsok Hahn, Hoseong Lee, Daeho Shin
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Patent number: 7972987Abstract: The present invention relates to a novel cyclopentadienyl compound, a fourth group transition metal compound having the cyclopentadienyl compound, a method of preparing the fourth group transition metal compound, a method of preparing an olefin polymer by using the fourth group transition metal compound, and an olefin polymer prepared by using the method.Type: GrantFiled: February 13, 2008Date of Patent: July 5, 2011Assignee: LG Chem, Ltd.Inventors: Jung-A Lee, Bo-Ram Lee, Eun-Jung Lee, Seung-Whan Jung, Choong-Hoon Lee
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Publication number: 20110144290Abstract: The present invention provides polymerization catalyst compositions employing novel heterodinuclear metallocene compounds. Methods for making these new dinuclear metallocene compounds and for using such compounds in catalyst compositions for the polymerization of olefins are also provided.Type: ApplicationFiled: February 24, 2011Publication date: June 16, 2011Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LPInventors: Rex E. Murray, Kumudini C. Jayaratne, Qing Yang, Joel L. Martin, Gary L. Glass
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Publication number: 20110137060Abstract: The present invention refers to a process for overcoming the problem of formation of oligomeric-polymeric complexes during preparation of cyclopentadienyl metallocenes comprising ligands bridged by at least three carbon atoms. According to the invention a process is presented comprising the steps of deprotonating a biscyclopentadienyl ligand bridged by a chain having a backbone of at least three carbon atoms by a base and reacting the deprotonated ligand with at least one alkali or alkaline earth metal alkylating agent and a salt of a transition metal belonging to group 3, 4, 5, 6 or to the lanthanide or actinide groups of the Periodic Table of the Elements.Type: ApplicationFiled: August 19, 2009Publication date: June 9, 2011Applicant: Basell Polyolefin GmbHInventors: Reynald Chevalier, Ouardia Ghersella
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Patent number: 7951970Abstract: The present invention relates to a process for recycling cyclopentadienyl derivatives of the formulae (I) and (I?), a process for preparing metallocenes of the formula (III) from cyclopentadienyl derivatives of the formulae (I) and (I?) or from bridged biscyclopentadienyl derivatives of the formula (II), in which the cyclopentadienyl derivatives of the formulae (I), (I?) or (II) which are used have been at least partly recovered and purified by means of liquid-solid chromatography, and the use of liquid-solid chromatography for purifying substituted, recovered cyclopentadienyl derivatives of the formulae (I), (I?) or (II).Type: GrantFiled: December 19, 2006Date of Patent: May 31, 2011Assignee: Basell Polyolefine GmbHInventors: Patrik Müller, Robert L. Jones, Reynald Chevalier, Christian Sidot, Valerie Garcia
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Patent number: 7928173Abstract: Provided are transition metal catalytic systems for preparing ethylene homopolymers or copolymers of ethylene with ?-olefins. More specifically, provided are Group 4 transition metal catalysts, which is characterized in that the catalyst comprises around the Group 4 transition metal a cyclopentadiene derivative, and at least one aryloxide ligand(s) having a fluorenyl group or a derivative thereof (which is ready to be substituted at 9-position) that functions as an electron donor and serves to stabilize the catalytic system by surrounding an oxygen atom that links the ligand to the transition metal at ortho-position, and there is no cross-linkage between the ligands; catalytic systems comprising such transition metal catalyst and aluminoxane cocatalyst or boron compound cocatalyst; and processes for preparing ethylene homopolymers or copolymers of ethylene with ?-olefins by using the same.Type: GrantFiled: September 23, 2009Date of Patent: April 19, 2011Assignee: SK Energy Co., Ltd.Inventors: Myungahn Ok, Dongcheol Shin, Jisu Jeong, Hoseong Lee, Jongsok Hahn, Choonsik Shim
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Patent number: 7928256Abstract: Provided are a novel transition metal complex where a monocyclopentadienyl ligand to which an amido group is introduced is coordinated, a catalyst composition including the same, and an olefin polymer using the catalyst composition. The transition metal complex has a pentagon ring structure having an amido group connected by a phenylene bridge in which a stable bond is formed in the vicinity of a metal site, and thus, a sterically hindered monomer can easily approach the transition metal complex. By using a catalyst composition including the transition metal complex, a linear low density polyolefin copolymer having a high molecular weight and a very low density polyolefin copolymer having a density of 0.910 g/cc or less can be produced in a polymerization of monomers having large steric hindrance. Further, the reactivity for the olefin monomer having large steric hindrance is excellent.Type: GrantFiled: March 22, 2007Date of Patent: April 19, 2011Assignee: LG Chem, Ltd.Inventors: Choong Hoon Lee, Eun Jung Lee, Seungwhan Jung, Boram Lee, Jung A. Lee, Bun Yeoul Lee
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Patent number: 7919639Abstract: The present invention provides polymerization catalyst compositions employing novel heterodinuclear metallocene compounds. Methods for making these new dinuclear metallocene compounds and for using such compounds in catalyst compositions for the polymerization of olefins are also provided.Type: GrantFiled: June 23, 2009Date of Patent: April 5, 2011Assignee: Chevron Phillips Chemical Company LPInventors: Rex E. Murray, Kumudini C. Jayaratne, Qing Yang, Joel L. Martin, Gary L. Glass
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Patent number: 7906599Abstract: Disclosed is a novel transition metal compound which is used for forming a metallocene catalyst for olefin polymerization. Specifically disclosed is a novel transition metal compound represented by the general formula below which enables to form a metallocene catalyst that has a balanced reactivity with ethylene and a comonomer selected from ?-olefins having 3-20 carbon atoms and enables to produce an ?-olefin polymer having a high molecular weight. Also specifically disclosed are a catalyst for olefin polymerization containing such a transition metal compound, and a method for producing a propylene/ethylene-?-olefin block copolymer wherein such a catalyst is used.Type: GrantFiled: April 17, 2007Date of Patent: March 15, 2011Assignee: Japan Polypropylene CorporationInventors: Hisashi Ohtaki, Naoshi Iwama, Masami Kashimoto, Tomohiro Kato, Tsutomu Ushioda
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Patent number: 7888522Abstract: An oxygen-bridged bimetallic complex of the general formula (I) Cp2R1M1-O-M2R22Cp??(I), wherein Cp is independently a cyclopentadienyl, indenyl or fluorenyl ligand which can be substituted, or a ligand isolobal to cyclopentadienyl, R1, R2 independently are halide, linear or branched or cyclic alkyl, aryl, amido, phosphido, alkoxy or aryloxy groups, which can be substituted, M1 is Zr, Ti or Hf, and M2 is Ti, Zn, Zr or a rare earth metal. The complex can be useful as a polymerization catalyst.Type: GrantFiled: April 28, 2008Date of Patent: February 15, 2011Assignee: Georg-August-Universität Göttingen Stiftung Öffentlichen RechtsInventors: Herbert W. Roesky, Prabhuodeyara M. Gurubasavaraj
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Patent number: 7868197Abstract: Halogen substituted metallocene compounds are described and comprise one or more monocyclic or polycyclic ligands that are pi-bonded to the metal atom and include at least one halogen substituent directly bonded to an sp2 carbon atom at a bondable ring position of the ligand, wherein the or at least one ligand has one or more ring heteroatoms in its cyclic structure. When combined with a suitable activator, these compounds show activity in the polymerization of olefins, such as ethylene and propylene.Type: GrantFiled: December 14, 2005Date of Patent: January 11, 2011Assignee: ExxonMobil Chemical Patents Inc.Inventors: Alexander Z. Voskoboynikov, Alexey N. Ryabov, Mikhail V. Nikulin, Alexander V. Lygin, Dmitry V. Uborsky, Catalina L. Coker, Jo Ann M. Canich
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Publication number: 20110003953Abstract: The present invention discloses efficient methods for preparing substituted cyclopentadienyl-fluorenyl catalyst components having a mono-carbon bridge.Type: ApplicationFiled: June 13, 2006Publication date: January 6, 2011Applicant: FINA TECHNOLOGY, INC.Inventors: Evgueni Kirillov, John Gladysz, Abbas Razavi
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Publication number: 20100324321Abstract: The present invention relates to an amine bridged metallocene catalyst, a method for producing the same, and a method for producing an ethylene-alpha olefin copolymer, which comprises polymerizing ethylene and alpha olefin in the presence of an olefin polymerization catalyst composition including a metallocene catalyst. The amine bridged metallocene catalyst may be produced by reacting one or more of substituted or unsubstituted cyclopentadiene and substituted or unsubstituted fluorene with amine to bridge them with nitrogen, and reacting them with a transition metal to coordinate them.Type: ApplicationFiled: January 30, 2009Publication date: December 23, 2010Inventors: Min-Seok Cho, Nicola Maggiarosa, Ki-Soo Lee, Heon-Yong Kwon, Jong-Sang Park, Joon-Hee Cho, Yong-Ho Lee, Byung-Ryul Lee, Seon-Kyoung Kim, Dae-Sik Hong
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Publication number: 20100324236Abstract: The present invention provides polymerization catalyst compositions employing novel heterodinuclear metallocene compounds. Methods for making these new dinuclear metallocene compounds and for using such compounds in catalyst compositions for the polymerization of olefins are also provided.Type: ApplicationFiled: June 23, 2009Publication date: December 23, 2010Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LPInventors: REX E. MURRAY, KUMUDINI C. JAYARATNE, QING YANG, JOEL L. MARTIN, GARY L. GLASS
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Patent number: 7851644Abstract: A new class of heterocyclic metallocenes, a catalytic system containing them and a process for polymerizing addition polymerizable monomers using the catalytic system are disclosed; the heterocyclic metallocenes correspond to the formula (I): YjR?iZjjMeQkPl wherein Y is a coordinating group containing a six ? electron central radical directly coordinating Me, to which are associated one or more radicals containing at least one non-carbon atom selected from B, N, O, Al, Si, P, S, Ga, Ge, As, Se, In, Sn, Sb and Te; R? is a divalent bridge between the Y and Z groups; Z is a coordinating group, optionally being equal to Y; Me is a transition metal; Q is halogen or hydrocarbon substituents; P is a counterion; i is 0 or 1; j is 1-3; jj is 0-2; k is 1-3; and l is 0-2.Type: GrantFiled: June 28, 2007Date of Patent: December 14, 2010Assignee: Basell Polyolefine GmbHInventors: John A. Ewen, Michael J. Elder, Robert L. Jones, Jr., Yuri A. Dubitsky
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Publication number: 20100305286Abstract: A complex comprising a ligand of formula (I), wherein each R1, which may be the same or different, is hydrogen, an optionally substituted C1-20 hydrocarbyl group, N(R5)2, silyl, siloxy; an optionally substituted heteroaryl group, an optionally substituted heterocyclyl group or two R1 groups on adjacent carbon atoms taken together may form an optionally substituted 5- to 8-membered fused ring; each R2, which may be the same or different is hydrogen, is hydrogen, an optionally substituted C1-20 hydrocarbyl group, N(R5)2, silyl, siloxy; an optionally substituted heteroaryl group, or an optionally substituted heterocyclyl group; R3, which binds to the 6-membered ring of the indenyl group, is —(Si(R5)2)p—, where p is 1 or 2, —(C(R5)2)n- where n is an integer of 2 or more; each R4 which may be the same or different, is hydrogen, an optionally substituted C1-20 hydrocarbyl group, N(R5)2, silyl, siloxy, an optionally substituted heteroaryl group, an optionally substituted heterocyclyl group or two R4 groups on adjaceType: ApplicationFiled: August 27, 2008Publication date: December 2, 2010Applicant: BOREALIS TECHNOLOGY OYInventors: Alexander Zelmanovich Voskoboynikov, Andrei Fyodorovich Asachenko, Dmitry Konanovich, Mikhail V. Nikulin, Alexey Tzarev, Janne Maaranen, Tiina Vanne, Jyrki Kauhanen, Erik Mansner, Esa Kokko, Laura Saarinen
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Publication number: 20100292421Abstract: Metallocene compounds of the invention are useful as olefin polymerization catalysts or catalyst components. Olefin polymerization processes of the invention involve an olefin polymerization catalyst containing the metallocene compound. In detail, the olefin polymerization catalysts can catalyze with high polymerization activity the production of olefin polymers having high melt tension, excellent mechanical strength and good particle properties, and the olefin polymerization processes involve the catalysts. Ethylene polymers according to the invention are obtained by the polymerization processes and have higher processability and easy-opening properties and particularly excellent mechanical strength compared to conventional ethylene polymers. Thermoplastic resin compositions of the invention contain the ethylene polymers.Type: ApplicationFiled: November 19, 2008Publication date: November 18, 2010Inventor: Hideki BANDO
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Patent number: 7834205Abstract: A bridged metallocene compound of formula (I) wherein: M is a transition metal; X, is a hydrogen atom, a halogen atom, or a hydrocarbon group optionally containing heteroatoms; L is a divalent bridging group; R1 is a linear C1-C40 hydrocarbon radical optionally containing heteroatoms; T1 and T4 are a oxygen, sulfur atom or a C(R18)3 group; wherein R18, are hydrogen atoms or a C1-C40 hydrocarbon radical; T3 and T4 are C1-C40 hydrocarbon radicals; R4 is a hydrogen atom or a C1-C40 hydrocarbon radical; W is an aromatic 5 or 6 membered ring.Type: GrantFiled: April 6, 2007Date of Patent: November 16, 2010Assignee: Basell Polyolifine GmbHInventors: Luigi Resconi, Francesca Focante, Davide Balboni, Ilya E. Nifant'ev, Pavel V. Ivchenko, Vladimir Bagrov
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Patent number: 7833926Abstract: The present invention relates to an arylphenoxy catalyst system producing an ethylene homopolymer or copolymers of ethylene and ?-olefins, and a method of producing an ethylene homopolymer or copolymers of ethylene and ?-olefins having a high molecular weight under a high temperature solution polymerization condition using the same. The catalyst system includes a group IV arylphenoxy-based transition metal catalyst and an aluminoxane cocatalyst or a boron compound cocatalyst. In the transition metal catalyst, a cyclopentadiene derivative and arylphenoxide as fixed ligands are located around the group IV transition metal, arylphenoxide is substituted with at least one aryl derivative and is located at the ortho position thereof, and the ligands are not crosslinked to each other. The catalyst includes an environmentally-friendly raw material, synthesis of the catalyst is economical, and thermal stability of the catalyst is excellent.Type: GrantFiled: July 31, 2009Date of Patent: November 16, 2010Assignee: SK Energy Co., Ltd.Inventors: Tae Woo Woo, Myung Ahn Ok, Jong Sok Hahn, Mal-Ou Lee, Sang Ook Kang, Sung-bo Ko, Tae-Jin Kim, Sung-Kwan Kim
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Patent number: 7834204Abstract: Provided is a transition metal compound represented by the general formula [III]: wherein R23, R24, R25, R26, R27, and R28 are each independently selected from hydrogen, a hydrocarbon group, a silicon-containing group, a sulfur-containing group, an oxygen-containing group, a nitrogen-containing group, and a halogen-containing group, adjacent substituents of R23 to R28 are optionally bonded to each other to form a ring, M is a Group 4 transition metal, Y is carbon atom, Q is selected from halogen, a hydrocarbon group, an anionic ligand and a neutral ligand capable of coordinating with a lone electron pair, which is selected in the same combination or different combination, j is an integer of 1 to 4, and Z is a fluorenylidene group comprising a fluorene derivative formula [I] or formula [II]Type: GrantFiled: May 24, 2006Date of Patent: November 16, 2010Assignee: Mitsui Chemicals, Inc.Inventors: Munehito Funaya, Koji Endo, Naritoshi Hirota, Yuichi Yamamura, Koji Kawai
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Patent number: 7803887Abstract: A bridged metallocene compound of formula (I) wherein: M is a transition metal; X, is a hydrogen atom, a halogen atom, or a hydrocarbon group optionally containing hetematoms; L is a divalent bridging group; R1 is a linear C1C40 hydrocarbon radical optionally containing hetexoatonis; T1, T2, T3 and T4 are an oxygen or sulfur atom or a C(R18)2 group with the proviso that at least one group between T1 and T2 is an oxygen or a sulfur atom; wherein R18, are hydrogen atoms or a C1-C4O hydrocarbon radical; n is 1, 2 or 3; R4 is a hydrogen atom or a C1-C40 hydro carbon radical; W is an aromatic 5 or 6 membered ring.Type: GrantFiled: March 15, 2006Date of Patent: September 28, 2010Assignee: Basell Polyolefine GmbHInventors: Marco Sacco, Ilya Nifant'ev, Pavel Ivchenko, Vladimir Bagrov, Francesca Focante
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Patent number: 7763562Abstract: This invention relates to a transition metal compound represented by the formula: wherein M is a group 3, 4, 5 or 6 transition metal atom, or a lanthanide metal atom, or actinide metal atom; E is: 1) a substituted or unsubstituted indenyl ligand that is bonded to Y through the four, five, six or seven position of the indenyl ring, or 2) a substituted or unsubstituted heteroindenyl ligand that is bonded to Y through the four, five or six position of the heteroindenyl ring, provided that the bonding position is not the same as the position of the ring heteroatom, or 3) a substituted or unsubstituted fluorenyl ligand that is bonded to Y through the one, two, three, four, five, six, seven or eight position of the fluorenyl ring, or 4) a substituted or unsubstituted heterofluorenyl ligand that is bonded to Y through the one, two, three, four, five or six position of the heteroindenyl ring, provided that the bonding position is not the same as the position of the ring heteroatom; A is a substituted or unsubstiType: GrantFiled: December 14, 2005Date of Patent: July 27, 2010Assignee: ExxonMobil Chemical Patents Inc.Inventors: Alexander Z. Voskoboynikov, Vyatcheslav V. Izmer, Andrey F. Asachenko, Mikhail V. Nikulin, Alexey N. Ryabov, Artyom Y. Lebedev, Catalina L. Coker, Jo Ann M. Canich
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Publication number: 20100137624Abstract: Process for preparing bridged, stereorigid, stereomerically pure dialkoxide metallocenes, diaryl oxide metallocenes and preferably diphenoxide metallocenes of the general formula Q(Cp)(Cp?)M(OR3)2 in which Cp=a cyclopentadienyl, an indenyl or a fluorenyl radical; Cp?=one of the Cp groups; Q=a single- or multimembered bridge (R1—Z—R2)b between Cp and Cp?, in which R1 and R2 may be the same or different and are each a hydrogen atom, a C1-C10-alkyl group, a C6-C10-aryl group, and Z is carbon, silicon or germanium where b=1, 2 or 3; M=a transition metal of group 4, especially Zr and Hf and Ti; O=oxygen; R3=a C1-C10-alkyl group, a C6-C10-aryl group, where the alkyl group may be branched or unbranched and may be substituted by aryl groups, and the aryl group may contain further substituents, which is characterized in that, in the first stage, a bridged, stereorigid metallocene dihalide in the form of a rac/meso mixture, having the general formula Q(Cp)(Cp?)M(X)2 is reacted with an alkylating reagent of the generalType: ApplicationFiled: February 27, 2008Publication date: June 3, 2010Applicant: CHEMTURA ORGANOMETALLICS GMBHInventor: Wendt Ralf-Alexander
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Publication number: 20100113717Abstract: A process for producing a substituted metallocene compound comprises reacting a first compound with a transfer-agent, wherein the first compound comprises a complex of a transition metal atom selected from Group 3, 4, 5 or 6 of the Periodic Table of Elements, or a lanthanide metal atom, or actinide metal atom and at least one monocyclic or polycyclic ligand that is pi-bonded to M and is substituted with at least one halogen or sulfonate substituent and the transfer-agent comprises a hydrocarbyl, substituted hydrocarbyl, halocarbyl, substituted halocarbyl, silylcarbyl, or germylcarbyl radical capable of replacing said at least one halogen or sulfonate substituent of said first compound under reaction conditions.Type: ApplicationFiled: December 17, 2009Publication date: May 6, 2010Inventors: Alexander Z. Voskoboynikov, Alexey N. Ryabov, Catalina L. Coker, Jo Ann M. Canich
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Patent number: 7709670Abstract: A process for producing a substituted metallocene compound comprises reacting a first compound with a transfer-agent, wherein the first compound comprises a complex of a transition metal atom selected from Group 3, 4, 5 or 6 of the Periodic Table of Elements, or a lanthanide metal atom, or actinide metal atom and at least one monocyclic or polycyclic ligand that is pi-bonded to M and is substituted with at least one halogen or sulfonate substituent and the transfer-agent comprises a hydrocarbyl, substituted hydrocarbyl, halocarbyl, substituted halocarbyl, silylcarbyl, or germylcarbyl radical capable of replacing said at least one halogen or sulfonate substituent of said first compound under reaction conditions.Type: GrantFiled: December 14, 2005Date of Patent: May 4, 2010Assignee: ExxonMobil Chemical Patents Inc.Inventors: Alexander Z. Voskoboynikov, Alexey N. Ryabov, Catalina L. Coker, Jo Ann M. Canich
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Patent number: 7705157Abstract: Ligands, compositions, and metal-ligand complexes that incorporate phenol-heterocyclic compounds are disclosed that are useful in the catalysis of transformations such as the polymerization of monomers into polymers. The catalysts have high performance characteristics, including high comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, propylene or styrene. The catalysts particularly polymerize styrene to form polystyrene.Type: GrantFiled: December 16, 2005Date of Patent: April 27, 2010Assignee: Symyx Solutions, Inc.Inventors: Margarete K. Leclerc, Xiaohong Bei, James Longmire, Gary M. Diamond, James A. W. Shoemaker, Lily Ackerman, Pu Sun, Jessica Zhang