Boron Compound Is Halogen-containing Patents (Class 526/133)
  • Patent number: 9422379
    Abstract: In general the present invention provides a process for forming conjugated diene polymer, the process comprising the step of polymerizing conjugated diene monomer in the presence of a catalytically effective amount of a catalyst composition formed by combining (a) a nickel-containing compound, (b) an alkylating agent, (c) a fluorine-containing compound, (d) a carboxylic acid, and (e) an alcohol.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: August 23, 2016
    Assignee: Bridgestone Corporation
    Inventors: Zengquan Qin, Jason T. Poulton, David M. Roggeman, Shigeaki Matsuo
  • Patent number: 9120741
    Abstract: Phosphoranimide-metal catalysts and their role in hydrogenation and hydrosilylation are disclosed. The catalysts comprise first row transition metals such as nickel, cobalt or iron. The catalysts have a metal to anionic phosphoranimide ratio of 1:1. This disclosure presents a process for catalytic hydrogenation and hydrosilylation of a range of unsaturated organic compounds under lower temperature and pressure conditions than conditions associated with industrial hydrogenation and hydrosilylation.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: September 1, 2015
    Assignee: Governors of the University of Alberta
    Inventors: Jeffrey Camacho Bunquin, Jeffrey Mark Stryker
  • Patent number: 9051229
    Abstract: Phosphoranimide-metal catalysts and their role in C—O bond hydrogenolysis and hydrodeoxygenation (HDO) are disclosed. The catalysts comprise of first row transition metals such as nickel, cobalt and iron. The catalysts have a metal to anionic phosphoranimide ratio of 1:1 and catalyze C—O bond hydrogenolyses of a range of oxygen-containing organic compounds under lower temperature and pressure conditions than those commonly used in industrial hydrodeoxygenation.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: June 9, 2015
    Assignee: Governors of the University of Alberta
    Inventors: Jeffrey Camacho Bunquin, Jeffrey Mark Stryker
  • Publication number: 20150141590
    Abstract: Processes to produce ethylene copolymers using pyridyldiamido transition metal complexes, a chain transfer agent, and an activator are disclosed.
    Type: Application
    Filed: October 16, 2014
    Publication date: May 21, 2015
    Inventors: John R. Hagadorn, Liehpao O. Farng, Patrick J. Palafox, Jian Yang, Ian C. Stewart
  • Publication number: 20150141596
    Abstract: Pyridyldiamido transition metal complexes are disclosed for use in alkene polymerization with chain transfer agent.
    Type: Application
    Filed: November 13, 2014
    Publication date: May 21, 2015
    Inventor: John R. Hagadorn
  • Publication number: 20150141597
    Abstract: Disclosed herein are catalyst compositions containing boron bridged, bis-indenyl metallocene compounds with an alkenyl substituent. These catalyst compositions can be used for the polymerization of olefins. For example, ethylene copolymers produced using these catalyst compositions can be characterized by a density less than 0.92 g/cm3 and a melt index greater than 25 g/10 min.
    Type: Application
    Filed: November 12, 2014
    Publication date: May 21, 2015
    Inventor: Jeffrey F. Greco
  • Patent number: 8999875
    Abstract: The invention refers to a process for preparing a supported catalyst system for the polymerization of olefins comprising at least one active catalyst component on a support, the process comprising A) impregnating a dry porous support component with a mixture comprising at least one precatalyst, at least one cocatalyst, and a first solvent, such that the total volume of the mixture is from 0.8 to 2.0 times the total pore volume of the support component, and B) thereafter, adding a second solvent in an amount of more than 1.5 times the total pore volume of the support component. The invention refers further to a catalyst system made by this process and the use of this catalyst system for polymerization or copolymerization of olefins.
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: April 7, 2015
    Assignee: Basell Polyolefine GmbH
    Inventors: Fabiana Fantinel, Shahram Mihan, Rainer Karer, Volker Fraaije
  • Publication number: 20150094435
    Abstract: The present specification describes a transition metal compound having a novel structure, a catalytic composition including the same, and a method for preparing a polymer using the same.
    Type: Application
    Filed: December 5, 2014
    Publication date: April 2, 2015
    Inventors: Yoonhee CHO, Youngshil Do, Yun Jin Lee, A Rim Kim, Choong Hoon Lee, Seung Hwan Jung
  • Publication number: 20150094434
    Abstract: To provide a process for producing an olefin polymer, which makes it possible to use, as a solvent for use in the catalyst preparation and the like, an aliphatic hydrocarbon solvent instead of an aromatic hydrocarbon solvent causing large environmental burden, and which has good olefin polymerization activity. A process for producing an olefin polymer, characterized by having a step comprising feeding an olefin polymerization catalyst solution, which is obtained by mixing a metallocene compound, a compound that reacts with the metallocene compound to form an ion pair and at least one compound selected from an organoaluminum compound and an organoaluminum oxy compound with a saturated hydrocarbon solvent, to a polymerization reactor and solution-polymerizing an olefin in the polymerization reactor.
    Type: Application
    Filed: April 23, 2013
    Publication date: April 2, 2015
    Inventors: Yasushi Tohi, Yasuhiro Hasada, Hiroshi Noguchi
  • Patent number: 8993702
    Abstract: This invention relates to a transition metal catalyst compound represented by the structure: wherein M is hafnium or zirconium; each X is, independently, selected from the group consisting of hydrocarbyl radicals having from 1 to 20 carbon atoms, hydrides, amides, alkoxides, sulfides, phosphides, halogens, dienes, amines, phosphines, ethers, or a combination thereof; each R1 and R3 are, independently, a C1 to C8 alkyl group; and each R2, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, and R14 are, independently, hydrogen, or a substituted or unsubstituted hydrocarbyl group having from 1 to 8 carbon atoms, provided however that at least three of the R10-R14 groups are not hydrogen, compositions thereof and methods of use thereof to prepare polymers.
    Type: Grant
    Filed: October 19, 2012
    Date of Patent: March 31, 2015
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Donna J. Crowther, Renuka N. Ganesh, Andrew G. Narvaez, Jr., Patrick Brant
  • Publication number: 20150087794
    Abstract: A polymerization process comprising (A) polymerizing ethylene in the presence of a catalyst to form a semi-crystalline ethylene-based polymer in at least one reactor; the catalyst comprising an organometallic catalyst thereby forming an ethylene-based polymer composition in the at least one reactor, wherein the catalyst is a metal complex of a polyvalent aryloxyether corresponding to the formula: wherein step (A) is conducted in the presence of from 5 to 20 mmol/m3 triethylaluminum; and wherein step (A) is conducted in the presence of one or both of the following conditions: (i) from greater than 0:1 to 65:1 molar ratio of triethylaluminum to the catalyst; and (ii) from 0.1:0 to 5:1 molar ratio of triethylaluminum to modified methylalumoxane is provided.
    Type: Application
    Filed: March 14, 2013
    Publication date: March 26, 2015
    Inventors: Ludovicus JC Sluijts, Armanda Van Putten, Ian M. Munro
  • Patent number: 8987393
    Abstract: The invention relates to a new catalyst component for the polymerization of olefins comprising a compound of formula CyLMZp, wherein M is a Group 4-6 metal, Z is an anionic ligand, p is the number of anionic ligands, Cy is a mono- or poly-substituted cyclopentadienyl-type ligand and L is a guanidinate ligand of the formula wherein: each A is independently selected from nitrogen or phosphorus and R, R1, R2 and R3 are independently selected from the group consisting of hydrogen, hydrocarbyl, silyl and germyl residues, substituted or not with one or more halogen, amido, phosphido, alkoxy, or aryloxy radicals. The invention also relates to a catalyst system for the polymerization of olefins and a process for the polymerization of at least one olefin having 2 to 20 carbon atoms.
    Type: Grant
    Filed: November 5, 2010
    Date of Patent: March 24, 2015
    Assignee: LANXESS Elastomers B.V.
    Inventors: Gerardus Henricus Josephus Van Doremaele, Martin Alexander Zuideveld, Victor Fidel Quiroga Norambuena, Alexandra LeBlanc
  • Patent number: 8975202
    Abstract: The invention provides a polymerization catalyst produced by bringing components (A) to (D) into contact with one another in a hydrocarbon solvent at 30 to 60° C., wherein the component (A) is a transition metal compound, the component (B) is a solid boron compound capable of forming an ion pair with component (A), the component (C) is an organoaluminum compound, and the component (D) is one or more unsaturated hydrocarbon compounds selected from among an ?-olefin, an internal olefin, and a polyene; and the amounts of component (B) and component (C) are 1.2 to 4.0 mol and 5.0 to 50.0 mol, respectively, on the basis of 1 mol of component (A), which catalyst exhibits high activity and can be readily supplied to a polymerization reaction system. The invention also provides a method of storing the polymerization catalyst at 0 to 35° C.
    Type: Grant
    Filed: June 10, 2010
    Date of Patent: March 10, 2015
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Masami Kanamaru, Takenori Fujimura, Minoru Yabukami
  • Patent number: 8969496
    Abstract: The present invention provides a method for controlling the chain structure of a copolymer. The disclosed method is capable of controlling the arrangement of monomeric units in a copolymer, and of selectively forming a random copolymer, tapered copolymer, multiblock copolymer and block copolymer. In the method for controlling the chain structure of a copolymer of a conjugated diene compound and a non-conjugated olefin, the introduction of the conjugated diene compound is controlled in the presence of the non-conjugated olefin so as to control the chain structure of the copolymer.
    Type: Grant
    Filed: July 22, 2011
    Date of Patent: March 3, 2015
    Assignee: Bridgestone Corporation
    Inventor: Shojiro Kaita
  • Patent number: 8957167
    Abstract: A polymerization process includes contacting the following in a gas-phase reactor system under polymerization conditions for making a polymer product: a metallocene-based catalyst system including a supported constrained geometry catalyst, at least one monomer, and an additive selected from a group consisting of an aluminum distearate, an ethoxylated amine, and a mixture thereof. The additive may be selected from a group consisting of an aluminum distearate, an ethoxylated amine, polyethylenimines, and other additives suitable for use in the production of polymers for food contact applications and end products, including a mixture of a polysulfone copolymer, a polymeric polyamine, and oil-soluble sulfonic acid, in a carrier fluid, and mixtures thereof.
    Type: Grant
    Filed: July 27, 2010
    Date of Patent: February 17, 2015
    Assignee: Univation Technologies, LLC
    Inventors: F. David Hussein, Kevin J. Cann, F. Gregory Stakem, Ann M. Schoeb-Wolters, Wesley R. Mariott, James M. Farley, Michael D. Awe
  • Patent number: 8957170
    Abstract: The invention relates to a catalyst system for the polymerization of olefins comprising a metal complex of formula CyLMD and an activating cocatalyst, wherein M is titanium, Cy is a cyclopentadienyl-type ligand, D is a diene, L is an amidinate-containing ligand of formula (1), wherein the amidinate-containing ligand is covalently bonded to the titanium via the imine nitrogen atom, Sub1 is a substituent, which comprises a group 14 atom through which Sub1 is bonded to the imine carbon atom, Sub2 is a substituent, which comprises a nitrogen atom, through which Sub2 is bonded to the imine carbon atom, and Cy is a mono- or polysubstituted cyclopentadienyl-type ligand, wherein the one or more substituents of Cy are selected from the group consisting of halogen, hydrocarbyl, silyl and germyl residues, optionally substituted with one or more halogen, amido, phosphido, alkoxy, or aryloxy residues.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: February 17, 2015
    Assignee: LANXESS Deutschland GmbH
    Inventors: Gerardus Henricus Josephus Van Doremaele, Martin Alexander Zuideveld, Philip Mountford, Alex Heath, Richard T. W Scott
  • Patent number: 8921499
    Abstract: The present invention relates to a method of preparing an ethylene-?-olefin-diene copolymer and an ethylene-?-olefin-diene copolymer prepared thereby, by using a transition metal compound based on a cyclopenta[b]fluorenyl group as a catalyst.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: December 30, 2014
    Assignees: SK Innovation Co., Ltd., SK Global Chemical Co., Ltd.
    Inventors: Dong Cheol Shin, Ho Seong Lee, Seong Kyun Kim, Sang Ick Lee, Sun Young Kim, Jong Sok Hahn, Chan Woong Jeon, Jeong Hwan Kim
  • Patent number: 8912352
    Abstract: The present invention relates to a novel ligand derived from a tetrahydroquinoline derivative, and a transition metal compound prepared using the ligand, where an amido ligand is linked to an ortho-phenylene ligand to form a condensed ring and a 5-membered cyclic pi-ligand linked to the ortho-phenylene ligand is fused with a heterocyclic thiophene ligand. Compared with the catalysts not fused with a heterocyclic thiophene ligand, the transition metal compound of the present invention as activated with a co-catalyst has higher catalytic activity in olefin polymerization and provides a polymer with higher molecular weight.
    Type: Grant
    Filed: April 12, 2011
    Date of Patent: December 16, 2014
    Assignee: Lotte Chemical Corporation
    Inventors: Bun-Yeoul Lee, Ji-Hae Park, Seung-Hyun Do
  • Patent number: 8901267
    Abstract: The present invention relates to an olefin-based polymer which exhibits superior processability and superior adhesive properties and therefore is desirably applicable to a hot-melt adhesive (HMA) or the like, and a preparation method thereof. The olefin-based polymer has a molecular weight distribution (Mw/Mn, PDI) of 2˜3, and a density of 0.85 to 0.88 g/cm3, and satisfies the relation of Tc?Tm>0, wherein Tc (° C.) is a crystallization temperature and Tm (° C.) is a melting point.
    Type: Grant
    Filed: July 1, 2011
    Date of Patent: December 2, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Don-Ho Kum, Eun-Jung Lee, Jong-Joo Ha, Choong-Hoon Lee
  • Patent number: 8865846
    Abstract: Disclosed herein are polymerization processes for the production of olefin polymers. These polymerization processes can use a dual catalyst system containing a zirconium or hafnium based metallocene compound and a titanium based half-metallocene compound containing an indenyl group.
    Type: Grant
    Filed: September 25, 2012
    Date of Patent: October 21, 2014
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Errun Ding, Qing Yang, Youlu Yu, Lloyd W. Guatney, Jim B. Askew
  • Patent number: 8859696
    Abstract: A process for producing an oligomeric product by oligomerization of at least one olefinic compound, the process including a) providing an activated oligomerization catalyst, by combining, in any order, i) a source of chromium, ii) a ligating compound, iii) a catalyst activator or combination of catalyst activators, b) providing a zinc compound, and c) contacting the at least one olefinic compound with a composition containing the activated oligomerization catalyst and the zinc compound, the zinc compound being present in a sufficient quantity such that the ratio of the molar amount of zinc in the zinc compound to the molar amount of chromium in the source of chromium is between 1 and 10,000. The invention also provides a process of activating an oligomerization catalyst to be used to produce an oligomeric product from at least one olefinic compound.
    Type: Grant
    Filed: October 13, 2010
    Date of Patent: October 14, 2014
    Assignee: Sasol Technology (PTY) Limited
    Inventors: Martin John Hanton, David Matthew Smith, William Fullard Gabrielli, Mark William Kelly
  • Patent number: 8853339
    Abstract: This invention relates to a method for producing a copolymer of a conjugated diene compound and an unconjugated olefin other than the conjugated diene compound having a high cis-1,4 bond content of a conjugated diene compound portion, and more particularly to a method for producing a copolymer characterized by comprising a step of polymerizing a conjugated diene compound and an unconjugated olefin other than the conjugated diene compound in the presence of a polymerization catalyst composition including at least one complex selected from a metallocene complex represented by the following general formula (I): (wherein M is a lanthanoid element, scandium or yttrium, and CpR is independently a non-substituted or substituted indenyl, and Ra-Rf are independently an alkyl group having a carbon number of 1-3 or a hydrogen atom, and L is a neutral Lewis base, and w is an integer of 0-3) and so on.
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: October 7, 2014
    Assignee: Bridgestone Corporation
    Inventors: Shojiro Kaita, Olivier Tardif, Yasuo Horikawa
  • Publication number: 20140288250
    Abstract: A process for preparing a copolymer of an acyclic conjugated diene and a cyclic conjugated diene using a polymerization catalyst system comprising a transition metal compound or a lanthanide metal compound, an alkylating agent, and an inorganic halide alcoholate, and rubber compositions and tires comprising the same.
    Type: Application
    Filed: March 24, 2014
    Publication date: September 25, 2014
    Inventors: Zengquan Qin, Eiju Suzuki
  • Patent number: 8841394
    Abstract: This invention relates to a vinyl terminated higher olefin copolymer having an Mn of 300 g/mol or more (measured by 1H NMR) comprising: (i) from about 20 to about 99.9 mol % of at least one C5 to C40 higher olefin monomer; and (ii) from about 0.1 to about 80 mol % of propylene; wherein the higher olefin copolymer has at least 40% allyl chain ends. The copolymer may also have an isobutyl chain end to allyl chain end ratio of less than 0.7:1 and/or an allyl chain end to vinylidene chain end ratio of greater than 2:1.
    Type: Grant
    Filed: January 30, 2013
    Date of Patent: September 23, 2014
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Donna J. Crowther, Matthew W. Holtcamp, John R. Hagadorn, Charles J. Ruff, George Rodriguez, Patrick Brant
  • Patent number: 8835587
    Abstract: Provided are catalyst systems, processes for polymerizing one or more olefins, polymers resulting therefrom, and articles prepared from such polymers. The processes comprise contacting under polymerization conditions one or more olefin monomers, preferably propylene, with a catalyst system comprising a transition metal compound and an activator of the formula (1) or (2) as described herein. The polymer compositions described herein exhibit advantageously narrow composition distributions and high melting points in comparison to conventional polymers having the same comonomer content. The polymers described herein exhibit improved properties, e.g., pellet stability, impact properties, heat seal properties, and structural integrity in film and fabricated parts applications.
    Type: Grant
    Filed: October 9, 2013
    Date of Patent: September 16, 2014
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Donna J. Crowthers, Peijun Jiang, Rainer Kolb
  • Publication number: 20140249283
    Abstract: The invention relates to a catalyst system for the polymerization of olefms comprising a metal complex of formula and an activating cocatalyst, wherein M is titanium, Cy is a cyclopentadienyl-type ligand, D is a diene, L is a guanidinate-containing ligand of the formula wherein each A is independently selected from nitrogen or phosphorous and R, R 1,R2 and R3 are independently selected from the group consisting of hydrogen, hydrocarbyl, silyl and germyl residues, substituted or not with one or more halogen, amido, phosphido, alkoxy, or aryloxy radicals, and the activating cocatalyst is a boron compound represented by the general formula BR4R5R6, wherein B is a boron atom in the trivalent valence state and R4, R5 and R6 are individually selected from the group consisting of halogen atom, hydrocarbyl, halogenated hydrocarbyl, substituted silyl, alkoxy or di-substituted amino residue.
    Type: Application
    Filed: March 29, 2012
    Publication date: September 4, 2014
    Applicant: LANXESS ELASTOMERS B.V.
    Inventors: Van Gerardus Henricus Josephus Doremaele, Martin Alexander Zuideveld, Victor Fidel Quiroga Norambuena, Philip Mountford, Richard Scott
  • Patent number: 8816027
    Abstract: This invention relates to a homogenous process for making a vinyl terminated propylene polymer, wherein the process comprises: contacting, propylene, under polymerization conditions, with a catalyst system comprising an activator and at least one metallocene compound, where the metallocene compound is represented by the formula: where: M is hafnium or zirconium; each X is a group bound to M as described herein; each R1 and R2 is, independently, a C1 to C10 alkyl group; each R3 is, independently, hydrogen; each R4, R5, and R6, is, independently, hydrogen or a substituted or unsubstituted hydrocarbyl group, a heteroatom or heteroatom containing group; T is a bridging group as described herein; and further provided that any of adjacent R4, R5, and R6 groups may form a fused ring or multicenter fused ring system where the rings may be aromatic, partially saturated or saturated, wherein the activator comprises a non-coordinating anion.
    Type: Grant
    Filed: May 2, 2013
    Date of Patent: August 26, 2014
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Donna J. Crowther, Patrick Brant, Carlos U. De Garcia, Jacqueline A. Lovell
  • Patent number: 8742043
    Abstract: Disclosed herein is a group IV transition metal catalyst for producing an ethylene homopolymer or an ethylene-olefin copolymers, having high catalytic activity, which includes a cyclopentadiene derivative and one or more anionic ligands having an aryl group substituted with an aryl derivative at an ortho-position thereof around a transition metal, the ligands not being crosslinked to each other, a catalyst system including the group IV transition metal catalyst and an aluminoxane cocatalyst or a boron compound cocatalyst, and a method of producing ethylene homopolymers or ethylene-olefin copolymers using the catalyst system.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: June 3, 2014
    Assignee: SK Innovation Co., Ltd.
    Inventors: Myung Ahn Ok, Dae Ho Shin, Jong Sok Hahn, Ho Seong Lee, Sang Ook Kang, Sung Kwan Kim
  • Patent number: 8735312
    Abstract: The present invention relates to a catalyst composition and a process for preparing an olefin polymer using the same. More specifically, the present invention relates to a novel catalyst composition comprising at least two types of catalysts and a process for preparing an olefin polymer having excellent heat resistance using the same. The present invention can provide an olefin polymer having excellent activity and high heat resistance, and also can control the values of density, heat resistance and melt index (MI) of the olefin polymer.
    Type: Grant
    Filed: April 25, 2011
    Date of Patent: May 27, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Kyung-Seop Noh, Hoon Chae, Cheon-Il Park, Won-Hee Kim, Sang-Jin Jeon, Eun-Jung Lee, Choong-Hoon Lee, Jong-Joo Ha
  • Patent number: 8716418
    Abstract: A process for producing a syndiotactic ?-olefin polymer having high racemic diad fraction and high molecular weight with excellent polymerization activity through a method permitting high-temperature polymerization. The production process comprises polymerizing a monomer that comprises at least one C3-10 ?-olefin and a small amount of ethylene, in the presence of an olefin polymerization catalyst comprising a transition metal compound (A) represented by the general formula [1], at least one compound (B) selected from an organoaluminum oxy-compound (b-1), a compound (b-2) that reacts with the transition metal compound (A) to form an ion pair and an organoaluminum compound (b-3), which process for producing a syndiotactic ?-olefin polymer satisfies the relationship: 0.001?PE/PO?0.030, provided that the molar amounts of ethylene and an ?-olefin having 3 to 10 carbon atoms that are fed into a polymerization reactor under a polymerization temperature of not lower than 25° C. are PE and PO, respectively.
    Type: Grant
    Filed: December 16, 2010
    Date of Patent: May 6, 2014
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Masayoshi Yamamoto, Takashi Yukita, Masahiro Yamashita, Hiromu Kaneyoshi
  • Patent number: 8701728
    Abstract: A process for preparing a copolymer of an acyclic conjugated diene and a cyclic conjugated diene using a polymerization catalyst system comprising a transition metal compound or a lanthanide metal compound, an alkylating agent, and an inorganic halide alcoholate, and rubber compositions and tires comprising the same. The copolymer contains at least 90% acyclic conjugated diene monomer, has a number average molecular weight of between 40,000 and 300,000, and has a cis-bond content of at least 92%.
    Type: Grant
    Filed: October 13, 2010
    Date of Patent: April 22, 2014
    Assignee: Bridgestone Corporation
    Inventors: Zengquan Qin, Eiju Suzuki
  • Publication number: 20140073752
    Abstract: Disclosed is a method of producing a polyolefin composition comprising contacting a metal alkyl and a first olefin monomer, then adding a first co-catalyst, a second co-catalyst, a pre-catalyst, and a second olefin monomer. The method allows for the production of a series of copolymers with tunable incorporation ratios of the first olefin monomer. The method also allows for the production of polyolefins of low molecular weights and narrow molecular weight distributions.
    Type: Application
    Filed: June 10, 2011
    Publication date: March 13, 2014
    Applicant: University of Maryland, College Park
    Inventors: Lawrence R. Sita, Jia Wei, Wei Zhang
  • Patent number: 8658556
    Abstract: This invention relates to a method to polymerize olefins comprising contacting olefins with a catalyst system comprising a transition metal catalyst compound and: 1) at least two NCA activators represented by the formula: Zd+ (Ad-), where Z is a Bronsted acid or a reducible Lewis acid, Ad- is a boron containing NCA, d is 1, 2, or 3, and where Z is a Bronsted acid and Z is a reducible Lewis acid in the first and second NCA activators, respectively; or 2) at least two NCA activators, one as described in Formula I and one not as described in Formula I; or 3) two NCA activators as described in Formula I except that the N in the second NCA in the ArNHal is at a different position in the nitrogen containing aromatic ring than the N in the first NCA.
    Type: Grant
    Filed: May 23, 2012
    Date of Patent: February 25, 2014
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventor: Ian C. Stewart
  • Publication number: 20140039137
    Abstract: Disclosed herein are polyalphaolefins and Salan cataylsts, catalyst systems, and processes to produce the polyalphaolefins.
    Type: Application
    Filed: June 19, 2013
    Publication date: February 6, 2014
    Inventors: Garth R. Giesbrecht, Matthew W. Holtcamp, Moshe Kol, Konstantin Press
  • Publication number: 20130317186
    Abstract: The present invention relates to an ethylene-alpha olefin copolymer comprising long chain branches (LCB), while having a narrow molecular weight distribution. The ethylene-alpha olefin copolymer can be prepared by a continuous solution polymerization process using an activated catalyst composition containing a Group 4 transition metal compound having a monocyclopentadienyl ligand, to which a quinoline amino group is introduced.
    Type: Application
    Filed: July 30, 2013
    Publication date: November 28, 2013
    Applicant: LG CHEM, LTD.
    Inventors: Choong-Hoon Lee, Byung-Kwon Lim, Eun-Jung Lee, Jong-Joo Ha, Seung-Whan Jung, Jung-A Lee, Ki-Su Ro, Don-Ho Kum, Dong-Kyu Park
  • Patent number: 8580902
    Abstract: Provided are catalyst systems, processes for polymerizing one or more olefins, polymers resulting therefrom, and articles prepared from such polymers. The processes comprise contacting under polymerization conditions one or more olefin monomers, preferably propylene, with a catalyst system comprising a transition metal compound and an activator of the formula (1) or (2) as described herein. The polymer compositions described herein exhibit advantageously narrow composition distributions and high melting points in comparison to conventional polymers having the same comonomer content. The polymers described herein exhibit improved properties, e.g., pellet stability, impact properties, heat seal properties, and structural integrity in film and fabricated parts applications.
    Type: Grant
    Filed: August 14, 2009
    Date of Patent: November 12, 2013
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Donna J. Crowther, Peijun Jiang, Rainer Kolb
  • Publication number: 20130281643
    Abstract: The invention provides a polymerization process comprising polymerizing a reaction mixture comprising one or more monomer types, at least one catalyst, and at least one solvent, to form a polymer dispersion, and wherein the at least one catalyst is soluble in the at least one solvent, and wherein the polymer forms a dispersed phase in the solvent, and wherein the at least one solvent is a hydrocarbon. The invention provides a composition comprising an ethylene-based polymer comprising at least the following properties: a) a weight average molecular weight (Mw(abs)) greater than, or equal to, 60,000 g/mole; and b) a molecular weight distribution (Mw(abs)/Mn(abs)) greater than, or equal to, 2.3.
    Type: Application
    Filed: December 21, 2011
    Publication date: October 24, 2013
    Applicant: Dow Global Technologies LLC
    Inventors: Kishori Deshpande, Ravindra S. Dixit
  • Patent number: 8507627
    Abstract: This invention relates to an aromatic vinyl compound-conjugated diene compound copolymer capable of giving excellent wear resistance and resistance to wet skid to a tire, and more particularly to an aromatic vinyl compound-conjugated diene compound copolymer obtained by an addition polymerization of an aromatic vinyl compound and a conjugated diene compound in the presence of a polymerization catalyst composition comprising at least one specified metallocene complex selected from the group consisting of a metallocene complex represented by the following general formula (I): (wherein M is a lanthanoid element, scandium or yttrium, and CpR is independently a non-substituted or substituted indenyl, and Ra to Rf are independently an alkyl group having a carbon number of 1-3 or a hydrogen atom, and L is a neutral Lewis base, and w is an integer of 0-3) and so on, wherein a content of cis-1,4 bond in a conjugated diene compound portion is not less than 80%.
    Type: Grant
    Filed: June 4, 2009
    Date of Patent: August 13, 2013
    Assignees: Bridgestone Corporation, Riken
    Inventors: Ryuji Nakagawa, Junko Matsushita, Yoichi Ozawa, Shojiro Kaita, Olivier Tardif
  • Patent number: 8497331
    Abstract: The present invention relates to the field of single site catalyst systems based on pyrrol-iminophenol, pyrrol-iminoalcohol or pyrrol-iminoamine complexes and suitable for oligomerising or homo- or co-polymerising ethylene and alpha-olefins.
    Type: Grant
    Filed: November 9, 2007
    Date of Patent: July 30, 2013
    Assignee: Total Petrochemicals Research Feluy
    Inventors: Caroline Hillairet, Guillaume Michaud, Sabine Sirol
  • Patent number: 8455589
    Abstract: This invention relates to a propylene polymer comprising a component having a crystallinity of 10% or less and a component having a crystallinity of 20% or more, said propylene polymer having: a) a melting point of X° C. or more where X=?0.0038(Tp)2+0.36(Tp)+150, where Tp is the temperature of polymerization in ° C.; b) an Mw of 10,000 g/mol or more; c) a heat of fusion of from 1-70 J/g; d) Stereodefects per 10,000 monomer units of Y or less where Y=2.35(Tp)?100 (where Tp is the temperature of polymerization in ° C.) for the portion of the blend that is insoluble in hexane at 23° C.; e) a dot T-Peel on Kraft paper of 1 N or more; and f) a branching factor of 0.98 or less, where the branching factor is the ratio of g? measured at Mz to g? measured at Mw, and process to produce such polymers.
    Type: Grant
    Filed: February 15, 2012
    Date of Patent: June 4, 2013
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Jo Ann M. Canich, Peijun Jiang
  • Patent number: 8455597
    Abstract: This invention relates to a homogenous process for making a vinyl terminated propylene polymer, wherein the process comprises: contacting, propylene, under polymerization conditions, with a catalyst system comprising an activator and at least one metallocene compound, where the metallocene compound is represented by the formula: where: M is hafnium or zirconium; each X is, independently, selected from the group consisting of hydrocarbyl radicals having from 1 to 20 carbon atoms, hydrides, amides, alkoxides, sulfides, phosphides, halides, dienes, amines, phosphines, ethers, and a combination thereof, (two X's may form a part of a fused ring or a ring system); each R1 is, independently, a C1 to C10 alkyl group; each R2 is, independently, a C1 to C10 alkyl group; each R3 is, independently, hydrogen; each R4, R5, and R6, is, independently, hydrogen or a substituted or unsubstituted hydrocarbyl group, a heteroatom or heteroatom containing group; T is a bridging group; each R7 is, independently, hydrogen, halog
    Type: Grant
    Filed: March 25, 2011
    Date of Patent: June 4, 2013
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Donna J. Crowther, Patrick Brant, Carlos U. De Gracia, Jacqueline A. Lovell
  • Patent number: 8436113
    Abstract: There is provided a method for producing copolymer that is composed of ethylene and alpha-olefin by a solution polymerization, and more specifically, a method for producing copolymer that is composed of ethylene and aromatic monomer as main components by using a transition metal catalyst including a cyclopentadiene derivative, and one or more anionic ligand having aryloxy group in which an aryl derivative is substituted at an ortho-position
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: May 7, 2013
    Assignees: SK Innovations Co., Ltd., SK Global Chemical Co., Ltd.
    Inventors: Hwan Kyu Jung, Young Wook Kim, Byoung Tak Yim, Ho Seong Lee, Myung Ahn Ok, Jong Sok Hahn, Dong Cheol Shin
  • Patent number: 8436111
    Abstract: Embodiments relate to a novel catalyst composition comprising a transition metal-containing compound, a PNP compound, an alkylating agent and a fluorine containing compound. Other embodiments relate to a method of polymerizing a diene monomer in the presence of the novel composition to form a diene-containing polymer having greater than 90% cis content.
    Type: Grant
    Filed: October 1, 2009
    Date of Patent: May 7, 2013
    Assignee: Bridgestone Corporation
    Inventors: James H. Pawlow, Terrence E. Hogan
  • Patent number: 8431660
    Abstract: The present invention provides a non-metallocene transition metal compound that is easily produced, includes a tetrazol group having the high polymerization activity and high temperature stability in the polymerization of olefins, and a catalytic composition that includes the transition metal compound and a cocatalyst. In addition, the present invention provides a method for efficiently producing an olefin homopolymer or copolymer by using the catalytic composition.
    Type: Grant
    Filed: December 5, 2008
    Date of Patent: April 30, 2013
    Assignee: LG Chem, Ltd.
    Inventors: Heon-Yong Kwon, Nicola Maggiarosa, Ki-Soo Lee, Min-Seok Cho, Jong-Sang Park, Joon-Hee Cho, Yong-Ho Lee, Byung-Ryul Lee, Seon-Kyoung Kim, Dae-Sik Hong
  • Patent number: 8426536
    Abstract: 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: Grant
    Filed: February 16, 2012
    Date of Patent: April 23, 2013
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Rex E. Murray, Kumudini C. Jayaratne, Qing Yang, Joel L. Martin, Gary L. Glass
  • Patent number: 8383542
    Abstract: A composition comprising a polymerization modifier for the copolymerization of at least one olefin monomer and 1-octene and a polymerization process using the polymerization modifier.
    Type: Grant
    Filed: April 7, 2011
    Date of Patent: February 26, 2013
    Assignee: Dow Global Technologies, LLC
    Inventors: Daryoosh Beigzadeh, Richard E. Campbell, Jr., David D. Devore, Duane R. Romer, James C. Stevens, Francis J. Timmers, Hendrik E. Tuinstra, Paul C. Vosejpka
  • Patent number: 8383848
    Abstract: 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: Grant
    Filed: June 29, 2011
    Date of Patent: February 26, 2013
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hidenori Hanaoka, Masato Takano, Naoko Ochi, Kazuo Takaoki, Kazuyuki Ito, Masayuki Hasegawa
  • Patent number: 8372925
    Abstract: In general the present invention provides a process for forming conjugated diene polymer, the process comprising the step of polymerizing conjugated diene monomer in the presence of a catalytically effective amount of a catalyst composition formed by combining (a) a nickel-containing compound, (b) an alkylating agent, (c) a fluorine-containing compound, (d) a carboxylic acid, and (e) an alcohol.
    Type: Grant
    Filed: April 7, 2008
    Date of Patent: February 12, 2013
    Assignee: Bridgestone Corporation
    Inventors: Zengquan Qin, Jason T. Poulton, David M. Roggeman, Shigeaki Matsuo
  • Patent number: 8362220
    Abstract: The present invention provides compositions of matter useful as deposition agents for making structures, including thin film structures and hard coatings, on substrates and features of substrates. In an embodiment, for example, the present invention provides metal complexes having one or more diboranamide or diboranaphosphide ligands that are useful as chemical vapor deposition (CVD) and/or atomic layer deposition (ALD) precusors for making thin film structures and coatings. Metal complex CVD precursors are provided that possess volitilities sufficiently high so as to provide dense, smooth and homogenous thin films and coatings.
    Type: Grant
    Filed: April 9, 2008
    Date of Patent: January 29, 2013
    Assignee: The Board of Trustees of the University of Illinois
    Inventors: Gregory S. Girolami, Do Young Kim, John R. Abelson, Navneet Kumar, Yu Yang, Scott Daly
  • Patent number: 8344081
    Abstract: The present invention relates to a transition metal complex useful as a transition metal catalyst in the preparation of an ethylene homopolymer or a copolymer of ethylene and an ?-olefin, a catalyst composition comprising the same and a process of preparing an ethylene homopolymer or a copolymer of ethylene and an ?-olefin using the same. More particularly, it relates to a transition metal complex having a cyclopentadiene derivative and at least one phenyl oxide ligand substituted at the 2-position of phenyl with, for example, a silyl group having a C1-C30 hydrocarbon group or a C1-C20 hydrocarbon group, around a group IV transition metal, with no crosslinkage between the ligands, a catalyst composition comprising the transition metal complex and a cocatalyst selected from the group consisting of an aluminoxane and a boron compound, and a process for preparing an ethylene homopolymer or a copolymer of ethylene and an ?-olefin using the same.
    Type: Grant
    Filed: October 30, 2008
    Date of Patent: January 1, 2013
    Assignee: SK Innovation Co., Ltd.
    Inventors: Jong-Sok Hahn, Myung-Ahn Ok, Dong-Cheol Shin, Ho-Seong Lee, Sang-Ook Kang, Tae-Jin Kim