Transition Metal Compound Has At Least One Atom Of P, S, N Or O Therein Patents (Class 526/172)
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Publication number: 20100311932Abstract: The present invention relates to a ligand and its use in a catalyst for the oligomerization of olefinic monomers, the ligand having the general formula (VI); (R9)(R10)P—N(R3)—P(R4)??(VI) wherein: the R9 and R10 groups are independently selected from optionally substituted alkyl or heteroalkyl groups; the R3 group is selected from hydrogen, a hydrocarbyl group, a substituted hydrocarbyl group, a heterohydrocarbyl group, a substituted heterohydrocarbyl group, a silyl group or derivative thereof; the R4 group is an optionally substituted alkylenedioxy, alkylenedimercapto or alkylenediamino structure which is bound to the phosphorus atom through the two oxygen, sulphur or nitrogen atoms of the alkylenedioxy, alkylenedimercapto or alkylenediamino structure or an optionally substituted arylenedioxy, arylenedimercapto or arylenediamino structure which is bound to the phosphorus atom through the two oxygen, sulphur or nitrogen atoms of the arylenedioxy, arylenedimercapto or arylenediamino structure.Type: ApplicationFiled: August 19, 2010Publication date: December 9, 2010Inventors: Eric Johannes Maria DE BOER, Harry Van Der Heijden, Quoc An On, Johan Paul Smit, Arie Van Zon
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Publication number: 20100311931Abstract: The present invention discloses metallic complexes based on carbonylamino fulvene ligands; their method of preparation and their use in the oligomerisation or polymerisation of ethylene and alpha-olefins.Type: ApplicationFiled: July 16, 2008Publication date: December 9, 2010Inventors: Clement Lansalot-Ma-Tras, Olivier Lavastre, Sabine Sirol
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Patent number: 7847039Abstract: Disclosed are a transition metal complex having a high catalytic activity for the preparation of an ethylene homopolymer or a copolymer of ethylene and ?-olefin and a catalyst composition comprising the same. More specifically, there are provided a transition metal complex having, around a group IV transition metal, a cyclopentadiene derivative and at least one aryl oxide ligand with a heterocyclic aryl derivative substituted at the ortho-position thereof, with no crosslinkage between the ligands, a catalyst composition comprising the transition metal complex and an organoaluminum compound or boron compound as cocatalyst, and a method for the preparation of high molecular weight ethylene homopolymers or copolymers of ethylene and ?-olefin using the same.Type: GrantFiled: January 6, 2009Date of Patent: December 7, 2010Assignee: SK Energy Co., Ltd.Inventors: Dong-Cheol Shin, Ho-Seong Lee, Myung-Ahn Ok, Jong-Sok Hahn
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Patent number: 7847041Abstract: Cobalt-catalyzed asymmetric cyclopropanation of electron-deficient olefins.Type: GrantFiled: September 5, 2008Date of Patent: December 7, 2010Assignee: University of South FloridaInventor: X. Peter Zhang
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Publication number: 20100292425Abstract: 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: May 14, 2009Publication date: November 18, 2010Applicant: Chevron Phillips Chemical Company LPInventors: Qing Yang, Rex E. Murray, Richard M. Buck
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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: 7833927Abstract: Catalyst structures comprising a single palladium metal center and a substituted tri-arylphosphine ligand. Also disclosed are methods of making and using the catalyst structures to facilitate polymerization reactions and Heck coupling reactions.Type: GrantFiled: July 17, 2006Date of Patent: November 16, 2010Assignee: Rohm and Haas CompanyInventors: Nathan Tait Allen, Brian Leslie Goodall, Lester Howard McIntosh, III
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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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Publication number: 20100286350Abstract: An isoprene or butadiene cis 1,4-selective polymerization catalyst system together with its polymerization method is provided. This catalyst system is composed of NCN-imine pincer type rare earth metal complex of formula [2,6-(CH?N—R1)2-4-R2-1-C6H2]LnX2(THF)n and alkylating reagent. In an hydrocarbon solvent or under bulk conditions, at a polymerization temperature in a range of ?20-120° C., the conjugated diene is polymerized by using the catalyst system, to produce polyisoprene and polybutadiene having controllable number-average molecular weight, molecular weight distribution of 3.0 or less than, and cis 1,4-content of 95% or more, even 99% or more. The crude rubber and vulcanized rubber of the polyisoprene have high strength, stretching crystallization capability and transparency.Type: ApplicationFiled: April 28, 2009Publication date: November 11, 2010Inventors: Dongmei Cui, Xinli Liu, Dongtao Liu, Wei Gao, Shihui Li, Lingfang Wang, Zhichao Zhang
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Patent number: 7829642Abstract: 3,4-isoprene-based polymer having high isotacticity can be produced by polymerizing an isoprene compound using a complex represented by the general formula (A) and a catalyst activator: wherein R1 and R2 independently represent an alkyl group, a cyclohexyl group, an aryl group or an aralkyl group; R3 represents an alkyl group, an alkenyl group, an alkynyl group, an aryl group, an aralkyl group, an aliphatic, aromatic or cyclic amino group, a phosphino group, a boryl group, an alkylthio or arylthio group, or an alkoxy or aryloxy group; M represents a rare earth element selected from Sc, Y, and La to Lu with promethium (Pm) excluded; Q1 and Q2 independently represent a monoanionic ligand; L represents a neutral Lewis base; and w represents an integer of 0 to 3.Type: GrantFiled: February 5, 2007Date of Patent: November 9, 2010Assignee: RikenInventors: Zhaomin Hou, Lixin Zhang
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Patent number: 7829641Abstract: A two-stage cascade polymerization process for the production of multimodal polyethylene film resins with improved bubble stability is provided. The process comprises polymerizing ethylene or a mixture of ethylene and a C4-8 ?-olefin in two reactors arranged in series using a mixed single-site catalyst comprised of a bridged and a non-bridged indenoindolyl transition metal complex to form a multimodal polyethylene resin comprised of a lower molecular weight, higher density component and a higher molecular weight, lower density component.Type: GrantFiled: July 16, 2008Date of Patent: November 9, 2010Assignee: Equistar Chemicals, LPInventors: Bradley P. Etherton, Stephen M. Imfeld, Philip J. Garrison
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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: 7820581Abstract: A method of making a catalyst for use in oligomerizing an olefin comprising a chromium-containing compound, a pyrrole-containing compound, a metal alkyl, a halide-containing compound, and optionally a solvent, the method comprising contacting a composition comprising the chromium-containing compound and a composition comprising the metal alkyl, wherein the composition comprising the chromium-containing compound is added to the composition comprising the metal alkyl.Type: GrantFiled: October 30, 2007Date of Patent: October 26, 2010Assignee: Chevron Phillips Chemical Company LPInventors: Ronald D. Knudsen, Bruce E. Kreischer, Ronald G. Abbott, Steven D. Bridges, Eduardo J. Baralt, Brooke L. Small
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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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Publication number: 20100267910Abstract: Catalyst system for olefin polymerization comprising (a) at least one phenanthroline-comprising iron complex, (b) an organic or inorganic support, (c) optionally one or more activators, (d) optionally one or more metal compounds of group 1, 2 or 13 of the Periodic Table and (e) optionally further catalysts suitable for olefin polymerization, and also their use in the polymerization of olefins.Type: ApplicationFiled: December 16, 2008Publication date: October 21, 2010Applicant: Basell Polyolefine GmbHInventors: Lars Kölling, Shahram Mihan
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Patent number: 7816478Abstract: A thick film and process to prepare polyethylene useful for the film are disclosed. Ethylene is polymerized in two reaction zones with a C6-C10 ?-olefin in the presence of a catalyst system comprising an activator, a supported bridged zirconium complex, and a supported non-bridged zirconium complex. The process yields medium density to linear low density polyethylene having a melt index from 0.20 to 1.0 dg/min. Thick films from the polyethylene have a superior combination of high impact strength and high modulus.Type: GrantFiled: September 3, 2008Date of Patent: October 19, 2010Assignee: Equistar Chemicals, LPInventors: Bradley P. Etherton, Stephen M. Imfeld, Mohan Sasthav
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Publication number: 20100261851Abstract: Disclosed herein are novel polymer-tethered ligands, metal complexes comprising these ligands, and the use of these complexes as chain transfer catalysts to control the molecular weight of oligomeric and polymeric materials produced in a radical polymerization process. The materials made by the processes disclosed herein have significantly reduced color, making them suitable for a wide range of color-critical end-uses, including automotive coatings.Type: ApplicationFiled: August 16, 2006Publication date: October 14, 2010Inventors: Henry Edward Bryndza, Michael Charles Grady, Sigridur Soley Kristjansdottir, Christina M. Older, Matthew Arthur Page, Joachim C. Ritter, Wilson Tam
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Patent number: 7812104Abstract: In a process for producing a propylene-based olefin homopolymer or copolymer, a monomer composition comprising propylene is contacted with a polymerization catalyst system under homogeneous polymerization conditions (such as solution, supersolution or supercritical conditions), wherein the polymerization catalyst system includes an activator and a bridged bis-indenyl transition metal (group 4) compound substituted with a carbazole (unsubstituted or substituted) at the 4 position.Type: GrantFiled: January 18, 2008Date of Patent: October 12, 2010Assignee: ExxonMobil Chemical Patents Inc.Inventors: Jo Ann M. Canich, Peijun Jiang, Gary L. Casty, Gabor Kiss, Alexander Z. Voskoboynikov
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Publication number: 20100251606Abstract: This disclosure concerns the synthesis and use of novel polymers based on ethylene and vinyl esters, modified by conjugation to improve their solubility in liquid hydrocarbons, as double-purpose additives to improve the filterability and flow of liquid hydrocarbons at low temperatures, in particular for middle distillates derived from the distillation of petroleum and crude oil.Type: ApplicationFiled: July 25, 2008Publication date: October 7, 2010Applicant: TOTAL RAFFINAGE MARKETINGInventors: Frédéric Tort, Géraldine Papin, Valérie Heroguez
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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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Publication number: 20100240849Abstract: Disclosed is a method of producing a cyclic olefin polymer having a polar functional group, an olefin polymer produced by using the method, an optical anisotropic film including the olefin polymer, and a catalyst composition for producing the cyclic olefin polymer. In the olefin polymerization method and the catalyst composition for polymerization, since deactivation of the catalyst due to polar functional groups of monomers is capable of being suppressed, it is possible to produce polyolefins having a high molecular weight at high polymerization yield during polyolefin polymerization. Furthermore, the cyclic olefin having the polar functional groups has excellent polymerization reactivity and the activity of the catalyst composition including the same is maintained under a variable polymerization condition. Accordingly, the present invention is very useful for a mass-production process.Type: ApplicationFiled: June 15, 2007Publication date: September 23, 2010Applicant: LG CHEM, LTD.Inventors: Dai-Seung Choi, Young-Whan Park, Sung-Ho Chun, Sung Cheol Yoon, Young-Chul Won
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Publication number: 20100234547Abstract: Olefin polymerization catalyst systems including a high molecular weight catalyst compound and a low molecular weight catalyst compound, and methods of making same are provided. High molecular weight catalysts include metallocene catalysts and low molecular weight catalysts include non-metallocene compounds including biphenyl phenol compounds. Generally catalyst systems may include less than about 5.0 mol % of the high molecular weight catalyst compound relative to said low molecular weight catalyst. Methods for olefin polymerization including the aforementioned catalyst systems, and polyolefins and products made therefrom.Type: ApplicationFiled: November 12, 2008Publication date: September 16, 2010Applicant: Univation Technologies, LLCInventors: Rainer Kolb, Dongming Li, Cesar A. Garcia-Franco
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Patent number: 7795167Abstract: Cyclopentadienyl complexes of group 6 having at least one cyclopentadienyl system which is substituted by at least one silyl group which bears at least one halogen substituent and a catalyst system comprising at least one of the cyclopentadienyl complexes, and also a process for preparing them, the use of the catalyst system for the polymerization or copolymerization of olefins and a process for preparing polyolefins by polymerization or copolymerization of olefins in the presence of the catalyst system.Type: GrantFiled: August 16, 2005Date of Patent: September 14, 2010Assignee: Basell Polyolefine GmbHInventors: Shahram Mihan, Markus Enders, Pablo Fernandez
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Publication number: 20100227991Abstract: The present invention provides an olefin polymerization catalyst, which is free of polyfunctional aromatic compounds and has a large particle diameter, and a solid titanium component (I) which forms the catalyst.Type: ApplicationFiled: October 31, 2008Publication date: September 9, 2010Inventors: Kazuhisa Matsunaga, Kazutaka Tsuru, Kazumitsu Kawakita, Takashi Jinnai, Tetsunori Shinozaki
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Publication number: 20100222531Abstract: 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: ApplicationFiled: May 13, 2010Publication date: September 2, 2010Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Lin Wang, Elisabeth M. Hauptman, Lynda Kaye Johnson, Elizabeth Forrester McCord, Stephan J. McLain, Ying Wang
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Patent number: 7786232Abstract: The present invention discloses single site catalyst systems having a scorpion-like three dimensional structure that are suitable for oligomerising or polymerising ethylene and alpha-olefins.Type: GrantFiled: July 6, 2006Date of Patent: August 31, 2010Assignee: Total Petrochemicals Research FeluyInventors: Caroline Hillairet, Guillaume Michaud, Sirol Sabine
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Patent number: 7776974Abstract: A slurry process for polymerizing ethylene is disclosed. The process comprises polymerizing ethylene in a first reactor in the presence of hydrogen and a catalyst comprising an activator and a supported dimethylsilyl-bridged indeno[1,2-b]indolyl zirconium complex to produce an ethylene homopolymer, removing some of the unreacted hydrogen, and reacting the homopolymer slurry in a second reactor with ethylene and a C3-C10 ?-olefin to produce polyethylene. The polyethylene has weight-average molecular weight greater than 150,000, broad molecular weight distribution, low long-chain branching, and it provides pipes or molded articles with good environmental stress crack resistance.Type: GrantFiled: April 30, 2008Date of Patent: August 17, 2010Assignee: Equistar Chemicals, LPInventors: Linda N. Winslow, Sebastian Joseph, Sandor Nagy, Natalia Nagy, Barbara M. Tsuie, Charles H. Gates
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Patent number: 7776980Abstract: Monocyclopentadienyl complexes in which the cyclopentadienyl system bears at least one bridged keto, thioketo, imino or phosphino group, a catalyst system comprising at least one of the monocyclopentadienyl complexes and a process for preparing polyolefins by polymerization or copolymerization of olefins in the presence of the catalyst system.Type: GrantFiled: March 18, 2006Date of Patent: August 17, 2010Assignee: Basell Polyolefine GmbHInventors: Shahram Mihan, Benno Bildstein, Georg Steiner
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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: 7767773Abstract: This invention relates to a transition metal catalyst compound represented by the structure: wherein: each X is, independently, a hydride, a halogen, a hydrocarbyl, a substituted hydrocarbyl, a halocarbyl, or a substituted halocarbyl; w is 2; each R1, R2, R3, and R4 is, independently, a hydrogen, a hydrocarbyl, a substituted hydrocarbyl, a halocarbyl, a substituted halocarbyl, a halogen, an alkoxide, a sulfide, an amide, a phosphide, a silyl or another anionic heteroatom-containing group, or independently, may join together to form a C4 to C62 cyclic or polycyclic ring structure; each R5, R6, and R7 is, independently, a hydrogen, a hydrocarbyl, a substituted hydrocarbyl, a halocarbyl, a substituted halocarbyl, a halogen, an alkoxide, a sulfide, an amide, a phosphide, a silyl or another anionic heteroatom-containing group, or independently, may join together to form a C4 to C62 cyclic or polycyclic ring structure; each R8 and R9, is, independently, a hydrogen, a hydrocarbyl, a substituted hydrocarbyl, a haType: GrantFiled: December 21, 2007Date of Patent: August 3, 2010Assignee: ExxonMobile Chemical Patents Inc.Inventors: Garth Ronald Giesbrecht, Gregory A. Solan, Christopher J. Davies
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Publication number: 20100190945Abstract: The present invention is based on a process for oligothiophene synthesis at elevated temperatures and low catalyst concentrations.Type: ApplicationFiled: August 1, 2008Publication date: July 29, 2010Applicant: BAYER TECHNOLOGY SERVICES GMBHInventors: Björn Henninger, Frank Rauscher, Leslaw Mleczko
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Patent number: 7763686Abstract: Polyalkenyl ether is produced by polymerizing alkenyl ether represented by the following general formula (I): CHR1?CH(OR2)??(I) wherein R1 represents a hydrogen atom or a methyl group, R2 represents a monovalent organic group, and R2 contains a silicon atom or at least one atom selected from the group consisting of elements from group 15 to group 17, in the presence of a halide of an element other than Al, or an organometallic compound of an element other than Al, and a nonionic oxygen-containing or nonionic nitrogen-containing organic compound.Type: GrantFiled: August 30, 2005Date of Patent: July 27, 2010Assignees: Canon Kabushiki Kaisha, Nippon Shokubai Co., Ltd.Inventors: Sadahito Aoshima, Ikuo Nakazawa, Koichi Sato, Masayuki Ikegami, Shokyoku Kanaoka, Tomohide Yoshida, Yasuhiro Matsuda, Arihiro Kanazawa
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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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Patent number: 7763691Abstract: Norbornene monomers with fluorene group and polymer material thereof are disclosed. The norbornene monomers with fluorene group are prepared by Diels-Alder reation. The Norbornene monomers containing fluorene groups are highly active for ring-opening-metathesis polymerization (ROMP), and the molecular weight and PDI value of the obtained polymers are controllable.Type: GrantFiled: October 5, 2007Date of Patent: July 27, 2010Assignee: National Taiwan University of Science & TechnologyInventor: Der-Jang Liaw
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Publication number: 20100184931Abstract: The field of the invention relates generally to a method for preparing very-high or ultra-high molecular weight polyethylene. More particularly, the present invention related to a method of preparing very-high or ultra-high molecular weight polyethylene using a supported catalyst comprising a support, an activator and a metal-ligand complex, as well as the catalyst itself. The present invention additionally relates to a method of using a supported catalyst comprising a support, an activator and co-supported metal-ligand complexes to obtain a bi-modal molecular weight distribution of polyethylene.Type: ApplicationFiled: December 22, 2009Publication date: July 22, 2010Applicant: SYMYX SOLUTIONS, INC.Inventors: Gary M. Diamond, Margarete K. Leclerc, Guang Zhu
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Patent number: 7759439Abstract: A method of controlling the molecular weight of poly(cyclic)olefin (norbornene-type) polymers and activating the polymerization thereof with a single material is provided. Such method include adding a chain transfer/activating agent to a mixture of monomer(s), catalyst, solvent and an optional cocatalyst and polymerizing the mixture to form a polymer. It is shown that the amount of chain transfer/activating agent in the mixture can serve to control the molecular weight of the resulting polymer, its percent conversion or both, and in some embodiments the optical density of the resulting polymer.Type: GrantFiled: March 27, 2008Date of Patent: July 20, 2010Assignee: Promerus LLCInventors: Larry F. Rhodes, Steven Smith, Pramod Kandanarachchi, Chun Chang, Patrick Bradley
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Patent number: 7754835Abstract: The present invention relates to the field of single site catalyst systems based on phosphino-iminophenol complexes that are suitable for oligomerising or polymerising ethylene and alpha-olefins.Type: GrantFiled: March 7, 2007Date of Patent: July 13, 2010Assignee: Total Petrochemicals Research FeluyInventors: Caroline Hillairet, Guillaume Michaud, Sabine Sirol
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Patent number: 7750102Abstract: The present invention relates to a polymeric compound comprising, as structural units, groups each represented by the following general formula (1); and an insulating film for a semiconductor integrated circuit which comprises the polymeric compound: —R1—C?C—C?C—, wherein R1 represents a group having a cage-shaped structure. The insulating film has a high heat resistance, a high mechanical strength and a low dielectric constant. In addition, the insulating film has a high stability of its dielectric constant with the elapse of time. Furthermore, the present invention can provide an interlayer insulating film for electronic devices having a high heat resistance, a high mechanical strength and a low dielectric constant which can be maintained over an extremely long period of time as well as an electronic device whose layer structure is provided with such an insulating film as a constituent thereof.Type: GrantFiled: February 6, 2008Date of Patent: July 6, 2010Assignee: FUJIFILM CorporationInventors: Yasufumi Watanabe, Katsuyuki Watanabe
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Patent number: 7750096Abstract: An aqueous polymer dispersion is prepared by reacting at least one olefin in the presence of at least one polymerization catalyst and one emulsifier in an aqueous medium by a process wherein the polymerization catalyst is prepared in an in situ reaction by reacting the ligand compound 2,6-dichloro-para-benzoquinone (Ia) and/or 2,3,6-trichloro-para-benzoquinone (Ib) with a phosphine compound or diphosphine compound and with a metal compound and the polymerization reaction is effected in an aqueous medium.Type: GrantFiled: July 8, 2004Date of Patent: July 6, 2010Assignee: BASF SEInventors: Mubarik Mahmood Chowdhry, Ulrich Nieken, Monica Haag
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Publication number: 20100165263Abstract: The present invention provides an optical film including a copolymer that includes (a) an alkene monomer, (b) an acrylate monomer, and (c) at least one of an unsaturated organic acid monomer and an unsaturated acid anhydride monomer having one or more double bonds, a protective film for a polarizer film, and a polarizer plate and an image display device using the same.Type: ApplicationFiled: May 23, 2008Publication date: July 1, 2010Inventors: Nam-Jeong Lee, Bae-Kun Shin, Ki-Su Ro, Byoung-Ho Jeon, Beom-Seok Kim, Dong-Man Cho, Sung-Hyun Nam, Eun-Mi Seo, Kyung-Seop Noh, Yoo-Young Jung, Won-Hee Kim
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Publication number: 20100160582Abstract: Cobaloxime derivatives and methods of producing cobaloxime derivatives are disclosed herein. Methods of producing decolorized homo- and co-polymers through polymerization of monomers in presence of the cobaloxime derivatives and decolorization of the produced polymer by exposing the polymer to a sorbent and, optionally, a solvent are also disclosed herein.Type: ApplicationFiled: March 2, 2010Publication date: June 24, 2010Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Gregory A. Nikiforov, Alexei A. Gridnev
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Patent number: 7741420Abstract: This invention relates to a process to polymerize olefins comprising contacting, under supercritical conditions, olefin monomers with a catalyst compound, an activator, optional comonomer, and optional hydrocarbon diluent or solvent.Type: GrantFiled: June 20, 2005Date of Patent: June 22, 2010Assignee: ExxonMobil Chemical Patents Inc.Inventor: Patrick Brant
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Patent number: 7741240Abstract: This invention relates to new transition metal catalyst compounds represented by the formula (I): where: M and M? are, independently, a group 8, 9, 10 or 11 transition metal, preferably Ni, Co, Pd, Cu or Fe; each R group is, independently, is, hydrogen, or a hydrocarbyl, substituted hydrocarbyl, halocarbyl, substituted halocarbyl, silylcarbyl, substituted silylcarbyl, germylcarbyl, or substituted germylcarbyl substituents, and optionally, adjacent R groups may join together to form a substituted or unsubstituted, saturated, partially unsaturated, or aromatic cyclic or polycyclic substituent; R? is hydrogen, or a hydrocarbyl, substituted hydrocarbyl, halocarbyl, substituted halocarbyl, silylcarbyl, substituted silylcarbyl, germylcarbyl, or substituted germylcarbyl substituents, and optionally, adjacent R groups may join together with R? to form a substituted or unsubstituted, saturated, partially unsaturated, or aromatic cyclic or polycyclic substituent; each X group is, independently, is, hydrogen, a halType: GrantFiled: May 23, 2005Date of Patent: June 22, 2010Assignee: ExxonMobil Chemical Patents Inc.Inventors: Gregory A. Solan, Jeremie D. A. Pellettier
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Publication number: 20100152398Abstract: The present invention relates to a catalyst composition for the oligomerization of ethylene comprising at least one transition metal bisphenolate compound and at least one cocatalyst. The transition metal bisphenolate is a zirconium bisphenolate. The invention also relates to a process for the oligomerization of ethylene in the presence of the catalyst composition according to the invention. The process results in a high yield of C4-C18 linear alpha-olefin and C6-C10 linear alpha-olefin.Type: ApplicationFiled: February 6, 2007Publication date: June 17, 2010Inventors: Vugar O. Aliyev, Atieh Abu-Raqabah, Fahad Al-Khodairi, Akif H. Azizov, Akber A. Khanmetov, Bilal V. Guliyev, Reyhan V. Aliyeva, Chingiz K. Rasulov, Minavar J. Ibrahimova
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Publication number: 20100152387Abstract: The present invention relates to a process for preparing functionalized isotactic polystyrene, functionalized isotactic polystyrene which can be prepared by the process of the invention, the use of the functionalized isotactic polystyrene of the invention as macromonomer, a process for preparing a macroinitiator, a macroinitiator which can be prepared by the abovementioned process, the use of the macroinitiator for controlled free-radical polymerization, the use of the functionalized isotactic polystyrene of the invention as macromonomer, preferably in copolymerization with olefins, ROMP with cycloolefins or for coupling with silicone segments, a process for epoxidizing the functionalized isotactic polystyrene of the invention, epoxidized isotactic polystyrene which can be prepared by the abovementioned process and a process for preparing soft thermoplastic elastomers (TPEs) by metathesis polymerization of the functionalized isotactic polystyrene of the invention with suitable polymers which have terminal douType: ApplicationFiled: May 7, 2008Publication date: June 17, 2010Applicant: BASF SEInventors: Helmut Steininger, Konrad Knoll, Rolf Mülhaupt, Barbara Gall, Frédéric Pelascini
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Patent number: 7737070Abstract: A process for the preparation of a metal-organic compound, comprising at least one imine ligand, characterized in that an imine ligand according to formula (1) or the HA adduct thereof, wherein HA represents an acid, of which H represents its proton and A its conjugate base, is contacted with a metal-organic reagent of formula (2) in the presence of at least 1, respectively at least 2 equivalents of a base, with Y?N—R as formula (1), wherein Y is selected from a substituted carbon, or nitrogen atom and R represents a substituent, and with Mv(L1)k(L2)l(L3)m(L4)nx as formula (2), wherein: M represents a group 4 or group 5 metal ion, V represents the valency of the metal ion, being 3, 4 or 5, L1, L2, L3, and L4 represent a ligand or a group 17 halogen atom on M and may be equal or different, X represents a group 17 halogen atom, k, l, m, n=0, 1, 2, 3, 4 with k+l+m+n+l=V.Type: GrantFiled: August 3, 2004Date of Patent: June 15, 2010Assignee: DSM IP Assets B.V.Inventors: Edwin Ijpeij, Henricus Arts, Gerardus van Doremaele, Felix Beijer, Francis Van Der Burgt, Martin Alexander Zuideveld
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Patent number: 7737233Abstract: Novel catalyst systems for metathesis reactions, in particular for the metathesis of nitrile rubber, which contain a specific salt additive in addition to the metathesis catalyst are provided.Type: GrantFiled: August 18, 2008Date of Patent: June 15, 2010Assignee: LANXESS Deutschland GmbHInventors: Werner Obrecht, Kirstin Langfeld, Martin Schneider, Oskar Nuyken
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Publication number: 20100137533Abstract: Embodiments of the present invention include a method of polymerizing olefins comprising contacting olefins with a catalyst composition made by the process of combining a hindered polyalicyclic alkyl catalyst precursor with a particulate inorganic oxide for a deposition time greater than 2 hours to form a catalyst composition. Embodiments of the present invention also include catalyst compositions comprising a hindered polyalicyclic alkyl catalyst precursor made by the process of combining the hindered polyalicyclic alkyl catalyst precursor with a particulate inorganic oxide for a deposition time greater than 2 hours to form the catalyst composition.Type: ApplicationFiled: January 20, 2010Publication date: June 3, 2010Applicant: Univation Technologies, LLCInventors: Maria A. Apecetche, John Moorhouse, Mark G. Goode, Ronald S. Eisinger, Kevin J. Cann
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Patent number: RE41785Abstract: The present invention relates to a Group 15 containing metal catalyst compound having a substituted hydrocarbon leaving group, a catalyst system and a supported catalyst system thereof and to a process for polymerizing olefin(s) utilizing them.Type: GrantFiled: February 12, 2004Date of Patent: September 28, 2010Assignee: Univation Technologies, LLCInventor: David H. McConville
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Patent number: RE41897Abstract: Catalyst compositions and methods, useful in polymerization processes, utilizing at least two metal compounds are disclosed. At least one of the metal compounds is a Group 15 containing metal compound and the other metal compound is preferably a bulky ligand metallocene-type catalyst. The invention also discloses a new polyolefin, generally polyethylene, particularly a multimodal polymer and more specifically, a bimodal polymer, and its use in various end-use applications such as film, molding and pipe.Type: GrantFiled: January 20, 2004Date of Patent: October 26, 2010Assignee: Univation Technologies, LLCInventors: Donald R. Loveday, David H. McConville, John F. Szul, Kersten Anne Terry, Simon Mawson, Tae Hoon Kwalk, Frederick J. Karol, David James Schreck