Transition Metal Is Group Viii Patents (Class 526/169.1)
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Patent number: 7825200Abstract: Described are novel monomers bearing functionalities capable of initiating control free radical reactions, and a novel process using these initiating monomers in the co-polymerization of an olefin for the formation of well-controlled polyethylene graft polymers where the graft component is derived from controlled free radical polymerization reactions. The initiating monomers are produced by combining an amount of 5-norbornen-2-ol with a hydride or amine for a predetermined amount of time to form a mixture; and adding an amount of an alkyl or acyl halide to said mixture. Polymerization of an olefin with an initiating monomer is conducted in the presence of a metal compound, where the metal compound is comprised of a Group VIII transition metal complex.Type: GrantFiled: January 18, 2007Date of Patent: November 2, 2010Assignee: The Regents of the University of CaliforniaInventors: Guillermo C. Bazan, Robert C. Coffin
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Patent number: 7820580Abstract: A nickel-carbene polymerization catalyst system for preparing high cis polydienes is provided. The catalyst system comprises (a) a nickel N-heterocyclic carbene complex, (b) an organoaluminum compound, (c) a fluorine-containing compound, and (d) optionally, an alcohol. Also provided is a process for producing a polydiene comprising reacting a conjugated diene in the presence of a polymerization catalyst comprising (a) a nickel N-heterocyclic carbene complex, (b) an organoaluminum compound, (c) a fluorine-containing compound, and (d) optionally, an alcohol.Type: GrantFiled: November 13, 2008Date of Patent: October 26, 2010Assignee: Bridgestone CorporationInventors: Zengquan Qin, Jason T. Poulton, Michael W. Hayes
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Patent number: 7767771Abstract: A process is disclosed for the preparation of zinc alkyl chain growth products via a catalysed chain growth reaction of an alpha-olefin on a zinc alkyl, wherein the chain growth catalyst system employs a group 3-10 transition metal, or a group 3 main group metal, or a lanthanide or actinide complex, and optionally a suitable activator. The products can be further converted into alpha-olefins by olefin displacement of the grown alkyls as alpha-olefins from the zinc alkyl chain growth product, or into primary alcohols, by oxidation of the resulting zinc alkyl chain growth product to form alkoxide compounds, followed by hydrolysis of the alkoxides.Type: GrantFiled: June 28, 2006Date of Patent: August 3, 2010Assignee: Ineos Europe LimitedInventors: George Johan Peter Britovsek, Steven Alan Cohen, Vernon Charles Gibson
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Patent number: 7687589Abstract: A method for the continuous production of polydienes, the method comprising the steps of (a) charging a mixture of one or more monomer, catalyst system, and less than 50% weight percent organic solvent based on the total weight of the monomer, catalyst and solvent, into first vessel, (b) polymerizing the monomer to a conversion of up to 20% by weight of the monomer to form a mixture of reactive polymer and monomer, (c) removing the mixture of reactive polymer and monomer from the vessel, and (d) terminating the reactive polymer prior to a total monomer conversion of 25% by weight.Type: GrantFiled: August 14, 2007Date of Patent: March 30, 2010Assignee: Bridgestone CorporationInventors: Timothy L. Tartamella, William M. Cole, Mark Smale
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Patent number: 7683147Abstract: Olefins are polymerized by novel transition metal complexes of selected iminocarboxylate and iminoamido ligands, sometimes in the presence of cocatalysts such as alkylaluminum compounds or neutral Lewis acids. Olefins which may be (co)polymerized include ethylene, ?-olefins, and olefins containing polar groups such as olefinic esters for example acrylate esters. Also described are certain “Zwitterionic” transition metal complexes as polymerization catalysts for making polar copolymers. The resulting polymers are useful as thermoplastics and elastomers.Type: GrantFiled: October 17, 2002Date of Patent: March 23, 2010Assignee: E. I. du Pont de Nemours and CompanyInventors: Lin Wang, Lynda K. Johnson, Alex S. Ionkin
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Patent number: 7666959Abstract: The present invention discloses a metallocene catalyst system for producing polyolefins comprising: A. a hafnocene-based catalyst component suitable for producing the high molecular weight fraction of the polyolefin; B. one or more metallocene or post-metallocene components different from the component A and suitable for producing the low molecular weight fraction of the polyolefin; C. an activating agent having a low or no coordinating capability.Type: GrantFiled: September 24, 2003Date of Patent: February 23, 2010Assignee: Total Petrochemicals Research FeluyInventor: Abbas Razavi
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Patent number: 7585805Abstract: A catalyst composition that is the combination of or the reaction product of ingredients comprising (a) a nickel-containing compound, (b) an alkylating agent, (c) a fluorine-containing compound, and (d) a chlorine-containing compound.Type: GrantFiled: November 22, 2005Date of Patent: September 8, 2009Inventor: Steven Luo
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Patent number: 7579416Abstract: The present invention relates to a catalyst system for olefin polymerization comprising an organic transition metal compound and, as cocatalyst, an ionic compound made up of anions of the formula (Ia), [Al(OR1)4]???(Ia) where the radicals R1 are identical or different and are each, independently of one another, a radical R2R3(CF3)2, R2 is a carbon or silicon atom and R3 is hydrogen, C1-C20-alkyl, C1-C20-fluoroalkyl, C6-C20-aryl, C6-C20-fluoroaryl, C7-C40-arylalkyl, C7-C40-fluoroarylalkyl, C7-C40-alkylaryl, C7-C40-fluoroalkylaryl or an SiR43 group, where R4 may be identical or different and is each C1-C20-alkyl, C1-C20-fluoroalkyl, C6-C20-aryl, C6-C20-fluoroaryl, C7-C40-arylalkyl, C7-C40-fluoroarylalkyl, C7-C40-alkylaryl or C7-C40-fluoroalkylaryl, and Lewis-acid cations or Brönsted acids as cations. In addition, the invention relates to the process for preparing such a catalyst system and to a process for the polymerization of olefins in which this catalyst system is used.Type: GrantFiled: December 22, 2004Date of Patent: August 25, 2009Assignee: Basell Polyolefine GmbHInventor: Shahram Mihan
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Patent number: 7550543Abstract: The invention relates to a method for producing carbon nanotubes in a dispersed state. The method comprises a stage whereby polymerization is carried out from at least one so-called monomer of interest, in the presence of a catalytic system. The catalytic system comprises a cocatalyst/catalyst catalytic couple that is supported by a catalyst carrier, which corresponds to said carbon nanotubes. The invention also relates to composite materials obtained by said method, and to a catalytic system for implementing said method. The invention further relates to the use of the inventive method and products in the field of polymers, especially that of nanotechnologies.Type: GrantFiled: August 5, 2004Date of Patent: June 23, 2009Assignee: S.A. NanocylInventors: Philippe Dubois, Michael Alexandre, Daniel Bonduel, Michael Mainil
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Patent number: 7534824Abstract: A polymer composition which comprises a polymer, a phosphorus compound (a), and a phenol compound (b). The phosphorus compound (a) is, e.g., at least one member selected from compounds represented by the following formula (1). The phenol compound (b) is, e.g., at least one member selected from compounds represented by the following general formula (4), wherein in the general formula (1), the R1 represents C1-20 alkyl, allyl, cycloalkyl, phenyl, or alkoxyalkyl and n is 1 or 2, provided that when two R1's are present, then the R1's may be the same or different, wherein in the general formula (4), the R4's each independently represents C1-20 alkyl, allyl, cycloalkyl, phenyl, alkoxy, or alkylthiomethyl.Type: GrantFiled: July 20, 2005Date of Patent: May 19, 2009Assignee: JSR CorporationInventor: Hisao Ono
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Patent number: 7439314Abstract: Transition metal complexes of selected monoanionic phosphine ligands, which also contain a selected Group 15 or 16 (IUPAC) element and which are coordinated to a Group 3 to 11 (IUPAC) transition metal or a lanthanide metal, are polymerization catalysts for the (co)polymerization of olefins such as ethylene and ?-olefins, and the copolymerization of such olefins with polar group-containing olefins. These and other nickel complexes of neutral and monoanionic bidentate ligands copolymerize ethylene and polar comonomers, especially acrylates, at relatively high ethylene pressures and surprisingly high temperatures, and give good incorporation of the polar comonomers and good polymer productivity. These copolymers are often unique structures, which are described.Type: GrantFiled: September 16, 2004Date of Patent: October 21, 2008Assignee: E. I. du Pont de Nemours and CompanyInventors: Linda Kaye Johnson, Stephan J. McClain
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Patent number: 7371803Abstract: 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: GrantFiled: November 21, 2006Date of Patent: May 13, 2008Assignee: ExxonMobil Chemical Patents Inc.Inventors: Gregory Adam Solan, Christopher James Davies
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Patent number: 7351776Abstract: A method for the continuous production of polydienes, the method comprising the steps of (a) charging a mixture of one or more monomer, catalyst system, and less than 50% weight percent organic solvent based on the total weight of the monomer, catalyst and solvent, into first vessel, (b) polymerizing the monomer to a conversion of up to 20% by weight of the monomer to form a mixture of reactive polymer and monomer, (c) removing the mixture of reactive polymer and monomer from the vessel, and (d) terminating the reactive polymer prior to a total monomer conversion of 25% by weight.Type: GrantFiled: February 22, 2005Date of Patent: April 1, 2008Assignee: Bridgestone CorporationInventors: Timothy L. Tartamella, William M. Cole, Mark Smale
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Patent number: 7300901Abstract: The present invention discloses a method for preparing hollow beads of polyethylene of controlled morphology and size.Type: GrantFiled: April 7, 2004Date of Patent: November 27, 2007Assignee: Total Petrochemicals Research FeluyInventors: Olivier Lavastre, Laurent Gallard
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Patent number: 7297806Abstract: Alpha-olefin are manufactured in high yield and with very high selectivity by contacting ethylene with an iron complex of a selected 2,6-pyridinedicarboxaldehyde bisimine or a selected 2,6-diacylpyridine bisimine, and in some cases a selected activator compound such as an alkyl aluminum compound. Novel bisimines and their iron complexes are also disclosed. The ?-olefin are useful as monomers and chemical intermediates.Type: GrantFiled: September 5, 2002Date of Patent: November 20, 2007Assignees: EI du Pont de Nemours and Company, University of North CarolinaInventors: Maurice S. Brookhart, III, Brooke L. Small
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Patent number: 7271231Abstract: Disclosed herein are processes for polymerizing ethylene, acyclic olefins, and/or selected cyclic olefins, and optionally selected olefinic esters or carboxylic acids, and other monomers. The polymerizations are catalyzed by selected transition metal compounds, and sometimes other co-catalysts. Since some of the polymerizations exhibit some characteristics of living polymerizations, block copolymers can be readily made. Many of the polymers produced are often novel, particularly in regard to their microstructure, which gives some of them unusual properties. Numerous novel catalysts are disclosed, as well as some novel processes for making them. The polymers made are useful as elastomers, molding resins, in adhesives, etc.Type: GrantFiled: October 20, 2003Date of Patent: September 18, 2007Assignee: E. I. du Pont de Nemours and CompanyInventors: Maurice S. Brookhart, Lynda Kaye Johnson, Christopher Moore Killian
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Patent number: 7259214Abstract: A catalyst is disclosed for the polymerization and co-polymerization of olefins with functionalized monomers. The catalyst is formed from a combination of two neutral metal complexes, L(iPr2)M(CH2Ph)(PMe3)[L=N-(2,6-diisopropylphenyl)-2-(2,6-diisopropylphenylimino)propanamide] and M(COD)2(COD=cyclooctadiene). The catalyst displays a unique mode of action and performs at ambient conditions producing high molecular weight polyolefins and co-polymers with functional groups. The polymerized olefins include ethylene, ?-olefins and functionalized olefins.Type: GrantFiled: February 28, 2003Date of Patent: August 21, 2007Assignee: The Regents of the University of CaliforniaInventors: Guillermo C. Bazan, Prasenjit Ghosh
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Patent number: 7247687Abstract: This invention relates to a transition metal compound represented by the formula LMX wherein M is a Group 3 to 11 metal L is a bulky bidentate or tridentate neutral ligand that is bonded to M by two or three heteroatoms and at least one heteroatom is nitrogen; X is a substituted or unsubstituted catecholate ligand provided that the substituted catecholate ligand does not contain a 1,2-diketone functionality.Type: GrantFiled: July 17, 2003Date of Patent: July 24, 2007Assignee: ExxonMobil Chemical Patents Inc.Inventors: Vladimir Kuzunich Cherkasov, Michael Paviovich Bubnov, Nikolay Olegovich Druzhkov, Valentina Nikolavena Glushakova, Irina Alexandrovna Teplova, Nina Aleksandrovna Skorodumova, Gleb Arsent′evich Abakumov, Cynthia A. Ballinger, Kevin R. Squire, Jo Ann Marie Canich, Enock Berluche, Lisa Saunders Baugh, Donald Norman Schulz, Baiyi Zhao
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Patent number: 7214748Abstract: The present invention relates to a process for the production of a catalyst by reacting metal compounds with azo ligands, the catalyst, the use of this catalyst as a polymerization catalyst, a process for olefin (co)polymerization with the aid of these catalysts, reaction products of these catalysts with co-catalysts, the olefin (co)polymer, the use of this olefin (co)polymer for the production of molded parts and also molded parts produced from the olefin (co)catalyst.Type: GrantFiled: March 4, 2004Date of Patent: May 8, 2007Assignee: Lanxess Deutschland GmbHInventor: Thomas Weiss
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Patent number: 7186785Abstract: This invention relates to A process for manufacturing a vinyl-rich polybutadiene rubber, comprising polymerizing butadiene in a solvent using a catalyst system comprising an iron-based catalyst as catalyst and a phosphite as ligand, said catalyst system comprising: (A) an organoiron compound; (B) an organoaluminum compound; and (C) a phosphite selected from a group consisting of dialkyl phosphite, trialkyl phosphite, diaryl phosphite, triaryl phosphite and mixtures thereof; wherein, the mole ratio of component B to component A is 5:100; and that of component C to component A is 0.5:10; and 80 wt % of macromolecules of the rubber have a vinyl group.Type: GrantFiled: July 27, 2004Date of Patent: March 6, 2007Assignee: Changchun Institute of Applied Chemistry Chinese Academy of ScienceInventors: Liansheng Jiang, Xuequan Zhang
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Patent number: 7084223Abstract: 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: GrantFiled: May 4, 2004Date of Patent: August 1, 2006Assignee: ExxonMobil Chemical Patents Inc.Inventors: George Alan Vaughan, Jo Ann Marie Canich, Phillip T. Matsunaga, David Edward Gindelberger, Kevin Richard Squire
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Patent number: 7041764Abstract: Ethylene and/or propylene, and ?-olefins may be copolymerized by contacting then with certain iron or cobalt complexes of selected 2,6-pyridinecarboxaldehydebis(imines) and 2,6-diacylpyridinebis(imines). The polymers produced, some of which are novel, are useful as molding resins.Type: GrantFiled: August 16, 2004Date of Patent: May 9, 2006Assignee: E. I. du Pont de Nemours and CompanyInventors: Alison Margaret Anne Bennett, Jerald Feldman, Elizabeth Forrester McCord
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Patent number: 7037990Abstract: A method is provided for the polymerization of olefins substituted with a functional group using a transition metal catalyst that, by virtue of one or more stabilizing groups incorporated within the catalyst structure, “fixes” the stereoconfiguration of each olefinic monomer relative to the transition metal complex during each successive reaction in the polymerization process. The invention substantially reduces the likelihood of olefin rearrangement at the active site of the catalyst during polymerization. In one particular embodiment, the functional group is a polar, electron-donating group and the stabilizing group is a Lewis acid substituent; examples of polymers that can be prepared with such a system include poly(vinyl acetate), poly(vinyl alcohol), and poly(vinyl ethers). Novel complexes and catalyst systems useful in the polymerization method are also provided.Type: GrantFiled: January 3, 2003Date of Patent: May 2, 2006Assignee: Nippon Synthetic Chemical CompanyInventors: Christopher D. Tagge, Robert B. Wilson, Jr., Hiroyuki Ono
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Patent number: 7034093Abstract: Late transition metal complexes of certain neutral iminophosphine ligands are useful as components of polymerization catalysts for olefins. Useful metals in the complexes include Ni, Pd, Fe and Co. Oligomers and/or polymers of olefins such as ethylene can be made.Type: GrantFiled: March 5, 2003Date of Patent: April 25, 2006Assignees: E. I. du Pont de Nemours and Company, University of North CarolinaInventors: Maurice S. Brookhart, Olafs Daugulis
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Patent number: 7026415Abstract: Catalyst systems and methods for olefin polymerization are disclosed. The polymerizations are performed in the presence of a clathrochelate which comprises a transition metal ion and an encapsulating macropolycyclic ligand. At least one of the capping atoms of the macropolycyclic ligand is a Group 3–10 transition metal or a Group 13 atom. When a capping atom is a Group 3–10 transition metal, the clathrochelate can be used with an activator to polymerize olefins. When a capping atom is a Group 13 atom, the clathrachelate can be used as an activator for an olefin polumerization. Clathrochelates allow polyolefin markers to fine tune catalyst reactivity and polyolefin properties.Type: GrantFiled: February 17, 2004Date of Patent: April 11, 2006Assignee: Equistar Chemicals, LPInventors: Sandor Nagy, Barbara M. Tsuie
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Patent number: 7022788Abstract: A process for the polymerization and copolymerization of olefins is disclosed, comprising contacting the monomeric olefin under polymerization conditions with a polymerization catalyst or catalyst system which comprises (a) a source of a Group VIII metal; (b) a bidentate phosphine ligand having the formula (R1)(R1)P—X—P(R1)(R1), where each R1 is independently selected from a phenyl group or a substitued phenyl group with the proviso that at least one of the R1 groups is a phenyl group having at least one ortho substituent, and X is a bridging group of the structure —[N]x—[P]y—[N]— where x and y are independently 0 or 1, or —C(R4)2— where R4 may be the same or different and is hydrogen or a monovavlent hydrocarbyl, substituted hydrocarbyl or hetero-hydrocarbyl group; and optionally (c) a promoter.Type: GrantFiled: February 5, 2002Date of Patent: April 4, 2006Assignee: BP Chemicals LimitedInventor: Duncan Frank Wass
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Patent number: 6998450Abstract: The present invention provides a method for preparing homo- and co-polymers by polymerizing cyclic olefin compounds using addition polymerization. The method can produce a cyclic olefin polymer having a high molecular weight with a high yield in the presence of, as an addition polymerization catalyst, a complex prepared by mixing a nickel salt compound and an organoaluminoxane compound with at least one fluorine-containing aromatic hydrocarbon compound represented by the following formula 1 or 2 as a catalyst activator: C6RmH6-mFormula 1 where R is CF3; and m is from 1 to 3, or C6FnH6-nFormula 2 where n is from 1 to 6.Type: GrantFiled: January 11, 2005Date of Patent: February 14, 2006Assignee: Korea Kumho Petrochemical Co., Ltd.Inventors: Young Chan Jang, Hyun Kyung Sung
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Patent number: 6982305Abstract: A process for polymerizing olefins is disclosed. The process polymerizes an olefin in the presence of a dehydrogenation catalyst and an olefin polymerization catalyst. The dehydrogenation catalyst enables in-situ generation of alkenes from oligomers or solvent. The alkenes are then incorporated into the polyolefin. The polyolefin should have increased long-chain branching and lower density without the use of expensive comonomers.Type: GrantFiled: January 26, 2004Date of Patent: January 3, 2006Assignee: Equistar Chemicals, LPInventor: Sandor Nagy
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Patent number: 6953829Abstract: A catalyst system comprising at least one metallocene, at least one cocatalyst, at least one support material and, if desired, further organometallic compounds is described. The catalyst system can advantageously be used for the polymerization of olefins and displays a high catalyst activity and gives a good polymer morphology without it being necessary to use aluminoxanes such as methylaluminoxane (MAO), which usually has to be used in high excess, as cocatalyst.Type: GrantFiled: December 13, 2000Date of Patent: October 11, 2005Assignee: Basell Polyolefine GmbHInventors: Roland Kratzer, Cornelia Fritze, Jörg Schottek
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Patent number: 6949613Abstract: The application discloses supported initiators for transition metal mediated living free radical and/or atom transfer polymerisation comprising an initiator moiety attached to a support via a selectively cleavable link, and their use to produce polymers.Type: GrantFiled: June 8, 2001Date of Patent: September 27, 2005Assignee: University of WarwickInventor: David Mark Haddleton
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Patent number: 6946532Abstract: 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 one or two nitrogen donor atom or atoms independently substituted by an aromatic or heteroaromatic ring(s), wherein the ortho positions of said ring(s) are substituted by aryl or heteroaryl groups. Also disclosed are processes for the polymerization of olefins using the catalyst compositions.Type: GrantFiled: November 18, 2004Date of Patent: September 20, 2005Assignee: Eastman Chemical CompanyInventors: Leslie Shane Moody, Peter Borden Mackenzie, Christopher Moore Killian, Gino Georges Lavoie, James Allen Ponasik, Jr., Thomas William Smith, Jason Clay Pearson, Anthony Gerard Martin Barrett
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Patent number: 6936672Abstract: A catalyst system and a process for the bulk addition polymerization or of polycyclic olefins, such as norbornene, methylnorbornene, ethylnorbornene, butylnorbornene or hexylnorbornene, 1,2,3,4,4a,5,8,8a-octahydro-1,4:5,8-dimethanonapthalene, 5,5?-(1,2-ethanediyl)bisbicyclo[2.2.1]hept-2-ene, and 1,4,4a,4b,5,8,8a,8b-octahydro-1,4:5,8-dimethanobiphenylene are disclosed. The catalyst includes an organonickel or organopalladium transition metal procatalyst and an activator compound. Polymerization can be carried out in a reaction injection molding process to yield thermoplastic and thermoset molded polymeric articles possessing high glass transition temperatures.Type: GrantFiled: August 2, 2001Date of Patent: August 30, 2005Assignee: Sumitomo Bakelite Co., Ltd.Inventors: Andrew Bell, Larry F. Rhodes, Brian L. Goodall, John C. Fondran, Lester H. Mclntosh, III, Dennis A. Barnes
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Patent number: 6933359Abstract: Ethylene, dienes and optionally ?-olefins are copolymerized by selected iron complexes of 2,6-pyridinecarbox-aldehydebis(imines) and 2,6-diacylpyridinebis(imines). The resulting copolymers contain residual olefinic unsaturation from the diene monomers, and some of these copolymers contain cyclic units in the main chain.Type: GrantFiled: January 5, 2004Date of Patent: August 23, 2005Assignee: E. I. du Pont de Nemours and CompanyInventors: Alison Margaret Anne Bennett, Elizabeth Forrester McCord
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Patent number: 6916893Abstract: Transition metal complexes having bulky ligand systems and the formula (I) where R2, R4 are C4-C16-heteroaryl or C6-C16-aryl bearing C4-C16-heteroaryl or C6-C16-aryl substituents in the two vicinal positions relative to the point of linkage to Na or Nb and M is a metal of group VIIIB of the Periodic Table of the Elements, are described.Type: GrantFiled: February 9, 2004Date of Patent: July 12, 2005Assignee: Ser. V. GmbHInventors: Bernhard Rieger, Markus Schmid, Robert Eberhardt, Michael Geprägs, Joachim Queisser
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Patent number: 6911505Abstract: Processes for the production of alpha-olefins, including dimerization and isomerization of olefins using a cobalt catalyst complex are provided herein. The olefins so produced are useful as monomers in further polymerization reactions and are useful as chemical intermediates.Type: GrantFiled: October 4, 2002Date of Patent: June 28, 2005Assignee: Chevron Phillips Chemical Company, LPInventor: Brooke L. Small
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Patent number: 6911507Abstract: A cyclic olefin having a specific polar group is polymerized by addition polymerization in a hydrocarbon solvent, using a polymerization catalyst component containing (i) a specific transition metal compound, (ii) a Lewis acid compound and (iii) an alkyl aluminoxane, or the cyclic olefin is polymerized by addition polymerization in the hydrocarbon solvent, using the polymerization catalyst component, by further adding at least one aromatic vinyl compound and at least one cyclic nonconjugated polyene compound, or either one of them as a molecular weight modifier, thereby obtaining a cyclic olefinic addition polymer.Type: GrantFiled: January 23, 2001Date of Patent: June 28, 2005Assignee: JSR CorporationInventors: Kenzo Ohkita, Noboru Oshima, Takashi Imamura, Takashi Tsubouchi
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Patent number: 6900153Abstract: A method for forming supported late transition metal olefin polymerization catalysts is described in which an already formed transition metal complex, usually containing a reactive functional group, is placed on a support containing a complementary reactive functional group. Also described are novel polymerization catalyst components containing late transition metal complexes of neutral tridentate ligands.Type: GrantFiled: March 27, 2002Date of Patent: May 31, 2005Assignees: E.I. Du Pont de Nemours and Company, University of North Carolina at Chapel HillInventor: Peter Preishuber-Pfluegl
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Patent number: 6897275Abstract: Transition metal complexes of selected monoanionic phosphine ligands, which also contain a selected Group 15 or 16 (IUPAC) element and which are coordinated to a Group 3 to 11 (IUPAC) transition metal or a lanthanide metal, are polymerization catalysts for the (co)polymerization of olefins such as ethylene and ?-olefins, and the copolymerization of such olefins with polar group-containing olefins. These and other nickel complexes of neutral and monoanionic bidentate ligands copolymerize ethylene and polar comonomers, especially acrylates, at relatively high ethylene pressures and surprisingly high temperatures, and give good incorporation of the polar comonomers and good polymer productivity. These copolymers are often unique structures, which are described.Type: GrantFiled: May 31, 2001Date of Patent: May 24, 2005Assignee: E. I. du Pont de Nemours and CompanyInventors: Lin Wang, Elisabeth Hauptman, Lynda Kaye Johnson, Elizabeth Forrester McCord, Ying Wang, Steven Dale Ittel
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Patent number: 6894134Abstract: Disclosed herein are processes for polymerizing ethylene, acyclic olefins, and/or selected cyclic olefins, and optionally selected olefinic esters or carboxylic acids, and other monomers. The polymerizations are catalyzed by selected transition metal compounds, and sometimes other co-catalysts. Since some of the polymerizations exhibit some characteristics of living polymerizations, block copolymers can be readily made. Many of the polymers produced are often novel, particularly in regard to their microstructure, which gives some of them unusual properties. Numerous novel catalysts are disclosed, as well as some novel processes for making them. The polymers made are useful as elastomers, molding resins, in adhesives, etc.Type: GrantFiled: June 22, 2001Date of Patent: May 17, 2005Assignees: E. I. duPont de Nemours and Company, University of North Carolina at Chapel HillInventors: Maurice S. Brookhart, Lynda Kaye Johnson, Christopher Moore Killian, Elizabeth Forrester McCord, Stephan James McLain, Samuel David Arthur
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Patent number: 6887958Abstract: Ethylene or propylene are copolymerized with one another or with other olefinically unsaturated compounds in the presence of a catalyst system comprising the following components: A) a complex of a transition metal with one or two substituted or unsubstituted 1,3,5-triazacyclohexane ligands or corresponding ligands in which one or more of the ring nitrogens are replaced by phosphorus or arsenic atoms, and B) if desired, one or more activator compounds.Type: GrantFiled: October 5, 2000Date of Patent: May 3, 2005Assignee: BASF AktiengesellschaftInventors: Shahram Mihan, Randolf Köhn, Guido Seifert
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Patent number: 6844404Abstract: The present invention includes novel ligands which may be utilized as part of a catalyst system. A catalyst system of the present invention is a transition metal-ligand complex. In particular, the catalyst system includes a transition metal component and a ligand component comprising a Nitrogen atom and/or functional groups comprising a Nitrogen atom, generally in the form of an imine functional group. In certain embodiments, the ligand component may further comprise a phosphorous atom. Preferred ligand components are bidentate (bind to the transition metal at two or more sites) and include a nitrogen-transition metal bond. The transition metal-ligand complex is generally cationic and associated with a weakly coordinating anion. A catalyst system of the present invention may further comprise a Lewis or Bronsted acid. The Lewis or Bronsted acid may be complexed with the ligand component of the transition metal-ligand complex.Type: GrantFiled: February 5, 2001Date of Patent: January 18, 2005Assignee: Eastman Chemical CompanyInventors: James Allen Ponasik, Jr., Jason Patrick McDevitt, Christopher Moore Killian, Peter Borden Mackenzie, Leslie Shane Moody
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Patent number: 6844402Abstract: A process for making olefin-acrylic copolymers is disclosed. The process comprises polymerizing an olefin and an acrylic monomer in the presence of an activator and a Group 8-10 late transition metal complex. The late transition metal catalyst contains an isoindoline ligand.Type: GrantFiled: December 11, 2003Date of Patent: January 18, 2005Assignee: Equistar Chemicals, LPInventors: Jia-Chu Liu, Mark P. Mack, Shao-Hua Guo
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Patent number: 6831143Abstract: Catalyst systems useful for the polymerisation of 1-olefins are disclosed, which contain nitrogen-containing transition metal compounds comprising the skeletal unit depicted in Formula (B), wherein M is Fe[II], Fe[III], Ru[II], Ru[III] or Ru[IV]; X represents an atom or group covalently or ionically bonded to the transition metal M; T is the oxidation state of the transition metal M and b is the valency of the atom or group X; R1, R2, R3, R4 and R6 are independently selected from hydrogen, halogen, hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl or substituted heterohydrocarbyl; R5 and R7 are independently selected from hydrogen, halogen, hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl or substituted heterohydrocarbyl.Type: GrantFiled: August 19, 2002Date of Patent: December 14, 2004Assignee: BP Chemicals LimitedInventors: George Johan Peter Britovsek, Birgit Angelika Dorer, Vernon Charles Gibson, Brian Stephen Kimberley, Gregory Adam Solan
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Patent number: 6812306Abstract: Metal compounds of the formula I, where M is selected from among Ni and Pd in the oxidation state +II can be used for the polymerization or copolymerization of olefins. Supported catalysts for the polymerization and copolymerization of olefins can be obtained by application of one or more of the above-described ionic metal compounds to a support.Type: GrantFiled: January 2, 2003Date of Patent: November 2, 2004Assignee: BASF AktiengesellschaftInventors: Marc Oliver Kristen, Peter Hofmann, Frank Eisenträger
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Patent number: 6812305Abstract: A catalyst system for the polymerization of olefins is prepared by initially charging one or more compounds of the formula I a or I b, subsequently adding a molecularly defined activator of the formulae II a to c [(L—H)]+[(M′)Q1Q2Q3Q4]− II a [(CAr3)]+[(M′)Q1Q2Q3Q4]− II b [(M′)Q1Q2Q3] II c and finally adding an alkylating agent selected from among LiR11, MgR11R12 and AlR12R13R14.Type: GrantFiled: September 30, 2002Date of Patent: November 2, 2004Assignee: BASF AktiengesellschaftInventors: Marc Oliver Kristen, Gerhard Hauck
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Patent number: 6803432Abstract: Ethylene and/or propylene, and &agr;-olefins may be copolymerized by contacting then with certain iron or cobalt complexes of selected 2,6-pyridinecarboxaldehydebis(imines) and 2,6-diacylpyridinebis(imines). The polymers produced, some of which are novel, are useful as molding resins.Type: GrantFiled: September 20, 2002Date of Patent: October 12, 2004Assignee: E. I. du Pont de Nemours and CompanyInventors: Alison Margaret Anne Bennett, Jerald Feldman
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Patent number: 6780947Abstract: Organometallic complex having the formula (IAP)M(X)n which can be used for die formation of catalytic systems wherein: M is a metal selected from transition metals and lanthanides, in oxidation state “s” positive and different from zero; each X is independently a group of an anionic nature bound to the metal as an anion in an ionic couple or with a convalent bond of the “&sgr;” type; “n” expresses the number of X groups sufficient for neutralizing the formal “+s” charge of the metal M, and (IAP) represents a neutral bond consisting of a mono-imine of 2,6-diacylpyridine. Said complex is prepared with relatively simple methods and can be used, combined with a suitable co-catalyst, such as for example, an aluminoxane, as a catalyst in normal (co)polymerization processes of &agr;-olefins, and especially ethylene.Type: GrantFiled: June 12, 2002Date of Patent: August 24, 2004Assignee: Enichem S.p.A.Inventors: Anna Sommazzi, Barbara Milani, Antonio Proto, Gianni Corso, Giovanni Mestroni, Francesco Masi
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Patent number: 6777510Abstract: Rational combinatorial computational methods use accurate quantum mechanical and molecular modeling techniques to identify optimum polymerization catalysts for polar olefins. Using mechanistic information to model the polymerization reaction, the methods systematically vary components of a catalyst template to calculate a potential energy surface for a number of catalyst candidates. The potential energy surfaces are compared to identify a catalyst for the catalytic polymerization reaction. Internal Lewis acid single site polar olefin polymerization catalyst compositions and compounds for polymerizing polar olefins are also described.Type: GrantFiled: September 12, 2001Date of Patent: August 17, 2004Assignee: California Institute of TechnologyInventors: Dean M. Philipp, Richard P. Muller, William A. Goddard, III
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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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Patent number: 6730757Abstract: The inventions disclosed herein are catalyst systems comprising a complex having one of the formulas LMX1X2 and LML′ and an activating cocatalyst, and use of the catalyst system in polymerizing olefinic monomers. In either of the foregoing formulas, L is a chelating ligand containing sulfur donors; M is a transition metal selected from either copper, silver, gold, manganese, iron, cobalt, palladium or nickel; X1 and X2 are independently selected from either halides, hydride, triflate, acetate, borate, alkyl, alkoxyl, cycloalkyl, cycloalkoxyl, aryl, thiolate, carbon monoxide, cyanate or olefins; and L′ is a bidentate ligand selected from either dithiolene, dithiolate, diphosphine, bisimine, bispyridine, phenanthroline, oxolate, catecholate, thiolatoamide, thiolatoimine or thiolatophosphine.Type: GrantFiled: March 8, 2002Date of Patent: May 4, 2004Assignee: ExxonMobil Research and Engineering CompanyInventors: Kun Wang, Abhimanyu Onkar Patil, Stephen Zushma, Ernestine Williams Hill, Edward Ira Stiefel