Transition Metal Bonded To Carbon Atom Patents (Class 526/160)
  • Patent number: 11859032
    Abstract: A process to produce a branched ethylene-?-olefin diene elastomer comprising combining a catalyst precursor and an activator with a feed comprising ethylene, C3 to C12 ?-olefins, and a dual-polymerizable diene to obtain a branched ethylene-?-olefin diene elastomer; where the catalyst precursor is selected from pyridyldiamide and quinolinyldiamido transition metal complexes. The branched ethylene-?-olefin diene elastomer may comprise within a range from 40 to 80 wt % of ethylene-derived units by weight of the branched ethylene-?-olefin diene elastomer, and 0.1 to 2 wt % of singly-polymerizable diene derived units, 0.1 to 2 wt % of singly-polymerizable diene derived units, and the remainder comprising C3 to C12 ?-olefin derived units, wherein the branched ethylene-?-olefin diene elastomer has a weight average molecular weight (Mw) within a range from 100 kg/mole to 300 kg/mole, an average branching index (g?avg) of 0.9 or more, and a branching index at very high Mw (g?1000) of less than 0.9.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: January 2, 2024
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Crisita Carmen H. Atienza, Rhutesh K. Shah, Ron Walker, John R. Hagadorn, Sudhin Datta
  • Patent number: 11685798
    Abstract: In various embodiments, a polyethylene formulation has a density of greater than 0.940 g/cm3 when measured according to ASTM D792, and a high load melt index (I21) of 1.0 g/10 min to 10.0 g/10 min when measured according to ASTM D1238 at 190° C. and a 21.6 kg load. Moreover, the polyethylene formulation has a peak molecular weight (Mp(GPC)) of less than 50,000 g/mol, a number average molecular weight (Mn(GPC)) of less than 30,000 g/mol, and a weight fraction (w1) of molecular weight (MW) less than 10,000 g/mol of less than or equal to 10.5 wt %, as determined by Gel Permeation Chromatography (GPC). Articles made from the polyethylene formulation, such as articles made by blow molding processes are also provided.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: June 27, 2023
    Assignee: Dow Global Technologies LLC
    Inventors: Peter S. Martin, Yijian Lin, Angela I. Padilla-Acevedo, Roger L. Kuhlman, Shadid Askar, Mridula Kapur, Todd A. Hogan, Joel D. Wieliczko, Chuan C. He
  • Patent number: 11618791
    Abstract: A method of producing a supported catalyst includes introducing a dissolved catalyst solution into a catalyst mix vessel, and after introducing the dissolved catalyst solution into the catalyst mix vessel, introducing a porous support material into the catalyst mix vessel. The catalyst mix vessel is then operated to contact the dissolved catalyst solution on the porous support material and thereby generate the supported catalyst, and the supported catalyst is discharged from the catalyst mix vessel.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: April 4, 2023
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Brian R. Berg, Handel D. Bennett, Chi-I Kuo, Robert L. Griffin, Chelsey M. Broussard, Bruce J. Savatsky
  • Patent number: 11384108
    Abstract: The present invention relates to a transition metal compound for an olefin polymerization catalyst, represented by chemical formula 1. The description of chemical formula 1 is as described in the specification.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: July 12, 2022
    Assignee: Hanwha Solutions Corporation
    Inventors: Lan Hua Piao, Hee Ju Yang, Na Young Park, Seong Yeon Park, Wook Jeong
  • Patent number: 11370850
    Abstract: Ethylenically unsaturated polymerization catalyst compositions including an active catalytic metal component and an ionic compound component and methods for making and using same.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: June 28, 2022
    Assignee: PRETIUM INNOVATION, LLC
    Inventors: Peter P. Hanik, Ronnie M. Hanes, Robin D. Rogers, Parasu Veera Uppara, Gabriela Gurau
  • Patent number: 11339235
    Abstract: The present invention relates to an olefin-based polymer, which has (1) a density (d) ranging from 0.850 g/cc to 0.865 g/cc, (2) a melt index (MI, 190° C., 2.16 kg load conditions) ranging from 0.1 g/10 min to 3.0 g/10 min, (3) a melt temperature (Tm) of 10° C. to 100° C., and (4) a hardness (H, Shore A), the density (d) and the melt temperature (Tm) satisfying Equation 1, and Equation 2 or 3. The olefin-based polymer according to the present invention has low hardness and improved foaming properties, and exhibits improved impact strength at compounding.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: May 24, 2022
    Inventors: In Sung Park, Eun Jung Lee, Hyun Jin Ju, Sang Eun Park, Kyung Bok Bae, Choong Hoon Lee
  • Patent number: 11326120
    Abstract: The present invention relates to a lubricating oil composition containing a base oil (A) containing an olefin-based polymer (A1) having an area ratio of a peak derived from a hydride (A11) of a decene trimer of 80% or more relative to 100% of a total area of peaks derived from the olefin-based polymer (A1) detected in a chromatogram and having predetermined kinematic viscosity, flash point, and pour point, a viscosity index improver (B) containing a comb-shaped polymer (B1), and an organic molybdenum-based compound (C), in which the content of the comb-shaped polymer (B1) is regulated within a specified range and having a HTHS viscosity at each of 150° C. and 50° C. of the lubricating oil composition and a NOACK value in predetermined ranges, respectively.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: May 10, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventor: Hiroshi Oki
  • Patent number: 11254848
    Abstract: The present disclosure provides compositions, films and articles containing a random propylene/ethylene copolymer and a substituted phenylene aromatic diester. Polymerization with an improved catalyst system increases the amount of ethylene incorporated into the random propylene/ethylene copolymer backbone which results in improved thermal properties, improved optical properties, and improved heat seal properties.
    Type: Grant
    Filed: July 27, 2012
    Date of Patent: February 22, 2022
    Assignee: W.R. GRACE & CO.-CONN.
    Inventors: Li-Min Tau, Chai-Jing Chou, John Kaarto, Peter S. Martin, William G. Sheard
  • Patent number: 11248069
    Abstract: A 4-methyl-1-pentene polymer having: a unit derived from 4-methyl-1-pentene of 90 to 100% by mol; a unit selected from ethylene and an ?-olefin, other than 4-methyl-1-pentene, having 3 to 20 carbon atoms of 0 to 10% by mol; and the polymer satisfying the following requirements: (a) a meso diad fraction measured by 13C-NMR within the range of 98 to 100%; (b) a ratio of Z-average molecular weight Mz to weight-average molecular weight Mw measured by GPC within the range of 2.5 to 20; (c) a ratio of weight-average molecular weight Mw to number-average molecular weight Mn measured by GPC within the range of 3.6 to 30; (d) a melt flow rate measured under conditions of 260° C. and a 5 kg load (ASTM D1238) within the range of 0.1 to 500 g/10 min; and (e) an amount of a decane-soluble portion at 23° C. is 5.0% by mass or less.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: February 15, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Masakazu Tanaka, Masahiko Okamoto, Makoto Nakano, Sadahiko Matsuura
  • Patent number: 11180583
    Abstract: The present invention relates to a polyalphaolefin having a uniform structure and a method of preparing the same, and more particularly to a method of preparing polyalphaolefin having a uniform comb-like structure by minimizing the formation of short chain branches, which deteriorate the properties of lubricant base oil, using a homogeneous single-active-site metallocene catalyst, an organometallic compound cocatalyst and an organoboron compound promoter.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: November 23, 2021
    Assignee: DL Chemical CO., LTD.
    Inventors: Hee Sun Bae, Jae Hoon Uhm, Tae Hee Lee, Jeong Oh Woo
  • Patent number: 11155659
    Abstract: The invention relates to a metallocene complex according to formula A, wherein R1-R10 are independently selected from H, C1-C10 alkyl, C7-C20 Aralkyl groups, and C1-C10 alkoxy groups; wherein R11 is selected from methyl, ethyl, propyl, isopropyl, butyl, phenyl; wherein R1 and R2, R3 and R4, R4 and R5, R5 and R6, R7 and R8, R8 and R9, and/or R9 and R10 can be connected to form a ringstructure; wherein R0 is selected from a C1-C10 alkyl group or an aryl group wherein M is selected from Ti, Zr and Hf, X is an anionic ligand to M, z is the number of X groups and equals the valence of M minus 2. The invention further relates to a catalyst for preparing polyolefins, a process for polymerizing olefins and to polymers prepared by said catalyst system.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: October 26, 2021
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Nicolaas Hendrika Friederichs, Antonio Vittoria, Roberta Cipullo, Vincenzo Busico, Ilya Borisov, Alexander Voskoboynikov, Bogdan A. Guzeev, Dmitry Y. Mladentsev, Mikhail I. Sharikov, Dmitry Uborsky, Hendriksen Coen
  • Patent number: 11142599
    Abstract: The disclosure provides an ethylene copolymer having a density of from 0.912 g/cm3 to 0.925 g/cm3, a melt flow ratio (I21/I2) of from 20 to 30, and a normal comonomer distribution profile in a GPC-FTIR analysis, wherein the normal comonomer distribution profile has a slope of from ?3.5 to ?7.5, where the slope is defined as the number of short chain branches per 1000 carbons at a molecular weight of 300,000 minus the number of short chain branches per 1000 carbons at a molecular weight of 30,000. The ethylene copolymers have improved bulk density and when made into film, provide good physical properties.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: October 12, 2021
    Assignee: NOVA Chemicals (International) S.A.
    Inventors: Patrick Lam, Victoria Ker, Mark Kelly
  • Patent number: 11130827
    Abstract: This invention relates to a polyethylene composition, and films therefrom, comprising at least 65 wt % ethylene derived units and from 0.1 to 35 wt % of C3-C12 olefin comonomer derived units, where the polyethylene composition has: a) an RCI,m of less than 85 kg/mol; b) a Tw1?Tw2 value of from ?15 to ?40° C.; and c) an Mw1/Mw2 value of less than 1.5 where the film has a) a heat seal initiation temperature of X ° C. or less at 5 N of force, where X=0.0015×Y(psi)+62.6 (where Y is the average 1% Secant modulus ((MD+TD)/2)) of the film; b) a dart drop impact of 300 g/mil or more; c) an MD Elmendorf tear of 230 g or more; and d) average 1% Secant modulus ((MD+TD)/2) of 20,000 psi or more.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: September 28, 2021
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Dongming Li, Jian Yang, Kevin A. Stevens, Yan Jiang, Gregory J. Smith-Karahalis
  • Patent number: 11117354
    Abstract: To provide a multilayer film that enables easy opening of a packaging material manufactured by deep draw forming. A multilayer film for deep draw forming, including: a vinylidene chloride copolymer resin layer as a middle layer; a crosslinked olefin resin layer as a first surface layer; and an ethylene/vinyl acetate copolymer resin layer as a second surface layer; where the ethylene/vinyl acetate copolymer resin layer is further provided either at least between the vinylidene chloride copolymer resin layer as the middle layer and crosslinked olefin resin layer as the first surface layer, or between the vinylidene chloride copolymer resin layer as the middle layer and ethylene/vinyl acetate copolymer resin layer as the second surface layer.
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: September 14, 2021
    Assignee: KUREHA CORPORATION
    Inventors: Ichiro Kitada, Shota Nambu
  • Patent number: 11098191
    Abstract: The present invention relates to a polymer composition comprising at least 20.0 wt.-%, based on the total weight of the polymer composition, of at least one biodegradable polymer resin, from 0.1 to 20.0 wt.-%, based on the total weight of the polymer composition, of at least one polyolefin selected from polyethylene and/or polypropylene and from 5.9 to 60.0 wt.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: August 24, 2021
    Assignee: Omya International AG
    Inventors: Pierre Blanchard, Tazio Fornera
  • Patent number: 11059840
    Abstract: A method comprising synthesizing a cyclic organic compound via reaction of an unsubstituted or substituted cyclohexene with an unsubstituted or substituted acrylic acid in the presence of phosphoric and/or sulfonic acid reagent to make the cyclic organic compound. Also, a method of synthesizing a ligand for a transition metal, and a related substituted ligand-metal complex and catalyst, from the unsubstituted or substituted cyclohexene and unsubstituted or substituted acrylic acid. Also, the cyclic organic compound, ligand, and substituted ligand-metal complex and catalyst synthesized thereby. Also a method of polymerizing an olefin with the catalyst to give a polyolefin, and the polyolefin made thereby.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: July 13, 2021
    Assignee: Univation Technologies, LLC
    Inventors: Angela I. Padilla-Acevedo, Roger L. Kuhlman
  • Patent number: 11041033
    Abstract: A butene-1 polymer having: a) a Melt Flow Rate value of from 20 to less than 100 g/10 min., measured according to ISO 1133 at 190° C. with a load of 2.16 kg; b) an intrinsic viscosity (IV) measured in tetrahydronaphthalene (THN) at 135° C. equal to lower than 0.95 dl/g; c) a Mw/Mn value equal to or lower than 3.5 and a lower limit of 1.5; d) a Mz value of 180,000 g/mol or higher; and e) optionally, a comonomer content of up to 10% by weight.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: June 22, 2021
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Roberta Marchini, Stefano Spataro, Roberta Pica
  • Patent number: 11034138
    Abstract: The present invention provides coated films and packages formed from such films. In one aspect, a coated film comprises (a) a film comprising (i) a first layer as described herein; (ii) a second layer as described herein; and (iii) at least one inner layer between the first layer and the second layer as described herein; and (b) a coating on an outer surface of the second layer of the film comprising polyurethane.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: June 15, 2021
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Kevin K. Miyake, Jorge C. Gomes, Larry Jopko, Nicolas C. Mazzola, Juan Carlos Casarrubias, Claudia Hernandez, Mateus Cipro, Jie Wu
  • Patent number: 11015090
    Abstract: A butene-1 polymer composition having MFR values of from 400 to 2000 g/10 min, measured according to ISO 1133 at 190° C. with a load of 2.16 kg, made from or containing A) a butene-1 homopolymer or a copolymer of butene-1 with a comonomer selected from the group consisting of ethylene and higher alpha-olefins, having a copolymerized comonomer content of up to 5% by mole; B) a copolymer of butene-1 with a comonomer selected from the group consisting of ethylene and higher alpha-olefins, having a copolymerized comonomer content of from 6% to 25% by mole; wherein the composition having a total copolymerized comonomer content from 5% to 18% by mole, referred to the sum of A) and B), and a content of fraction soluble in xylene at 0° C. of 65% by weight or more, determined on the total weight of A) and B).
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: May 25, 2021
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Roberta Marchini, Stefano Spataro, Emanuele Burgin, Roberta Pica
  • Patent number: 11001657
    Abstract: The present disclosure provides novel unbridged group 4 indacenyl-containing metallocene compounds. The catalyst system may be used for olefin polymerization processes.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: May 11, 2021
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Jian Yang, Gregory J. Karahalis
  • Patent number: 10894850
    Abstract: A butene-1 polymer composition having MFR values of from 400 to 2000 g/10 min, measured according to ISO 1133 at 190° C. with a load of 2.16 kg, made from or containing A) a butene-1 homopolymer or a copolymer of butene-1 with a comonomer selected from the group consisting of ethylene and higher alpha-olefins, having a copolymerized comonomer content of up to 5% by mole; B) a copolymer of butene-1 with a comonomer selected from the group consisting of ethylene and higher alpha-olefins, having a copolymerized comonomer content of from 6% to 20% by mole; wherein the composition having a total copolymerized comonomer content from 4% to 15% by mole, referred to the sum of A) and B), and a content of fraction soluble in xylene at 0° C. of 60% by weight or less, determined on the total weight of A) and B).
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: January 19, 2021
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Roberta Marchini, Stefano Spataro, Emanuele Burgin, Roberta Pica
  • Patent number: 10811163
    Abstract: A cable includes at least one electrical conductor and at least one electrically insulating layer surrounding the electrical conductor, wherein the at least one electrically insulating layer includes: (a) a thermoplastic polymer material selected from: at least one copolymer (i) of propylene with at least one olefin comonomer selected from ethylene and an V-olefin other than propylene, the copolymer having a melting point greater than or equal to 130° C. and a melting enthalpy of from 20 J/g to 90 J/g; a blend of at least one copolymer (i) with at least one copolymer (ii) of ethylene with at least one V-olefin, the copolymer (ii) having a melting enthalpy of from 0 J/g to 70 J/g; a blend of at least one propylene homopolymer with at least one copolymer (i) or copolymer (ii); a blend of at least one propylene homopolymer with at least one copolymer (i) or copolymer (ii); (b) at least one nano-sized filler; wherein at least one of copolymer (i) and copolymer (ii) is a heterophasic copolymer.
    Type: Grant
    Filed: January 29, 2010
    Date of Patent: October 20, 2020
    Assignee: PRYSMIAN S.p.A.
    Inventors: Gabriele Perego, Sergio Belli
  • Patent number: 10767006
    Abstract: A method for hydrogenating tyrosine derived polyarylates includes dissolving a second polyarylate with DMF in a flask to produce a first solution. A catalyst is added to the first solution to produce a polymer solution. The polymer solution is filtered through a Celite bed to produce a filtrate. The filtrate is added to water and stirred to precipitate the polyarylate.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: September 8, 2020
    Assignee: MEDTRONIC, INC.
    Inventors: Satish Pulapura, Dan Thanh Le, Xiangji Chen, Suping Lyu, Fatima Buevich
  • Patent number: 10730972
    Abstract: Disclosed are saturated cyclic monopolymers derived from hexyne, octyne, nonyne, pentadecyne and saturated cyclic copolymers derived from acetylene and a second alkyne monomer that is hexyne, octyne, nonyne, or pentadecyne.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: August 4, 2020
    Assignee: University of Florida Research Foundation, Inc.
    Inventor: Adam S. Veige
  • Patent number: 10676552
    Abstract: The disclosure provides an ethylene copolymer having a density of from 0.912 g/cm3 to 0.925 g/cm3, a melt flow ratio (I21/I2) of from 20 to 30, and a normal comonomer distribution profile in a GPC-FTIR analysis, wherein the normal comonomer distribution profile has a slope of from ?3.5 to ?7.5, where the slope is defined as the number of short chain branches per 1000 carbons at a molecular weight of 300,000 minus the number of short chain branches per 1000 carbons at a molecular weight of 30,000. The ethylene copolymers have improved bulk density and when made into film, provide good physical properties.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: June 9, 2020
    Assignee: NOVA Chemicals (International) S.A.
    Inventors: Patrick Lam, Victoria Ker, Mark Kelly
  • Patent number: 10656308
    Abstract: An antistatic hard coat film including: a substrate film formed of a thermoplastic resin containing a cycloolefin polymer; and an antistatic hard coat layer provided on the substrate film, the antistatic hard coat layer containing electroconductive metal oxide fine particles, wherein the antistatic hard coat layer has a surface resistance value of 1.0×106 ?/sq. or more and 1.0×1010 ?/sq. or less, and the number of streaks each having a length of 20 cm or longer of the antistatic hard coat layer is 2 or less per area of 1,330 mm×500 mm of the antistatic hard coat layer, and the production method thereof, as well as a polarizing plate, a touch panel, and a liquid crystal display device including the antistatic hard coat film.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: May 19, 2020
    Assignee: ZEON CORPORATION
    Inventors: Mana Shimode, Hitoshi Ooishi, Manabu Tsuburaya
  • Patent number: 10472437
    Abstract: Disclosed is an article comprising polymers and copolymers selected from the group consisting of poly(vinylbiphenyl), poly(vinylcyclohexylstyrene), substituted versions thereof, and blends thereof, the polymer or copolymer having a weight average molecular weight (Mw) of at least 100 kg/mole and a glass transition temperature (Tg) of at least 100° C. The polymers are desirably processed in the melted state at a temperature of at least 150° C. to impart orientation and extensional strain hardening.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: November 12, 2019
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Carlos R. Lopez-Barron, Mark K. Davis, Alan A. Galuska, Yong Yang, Mosha H. Zhao
  • Patent number: 10351647
    Abstract: This invention relates to a process to polymerize olefins by contacting one or more olefins with a catalyst system comprising an organoaluminum treated layered silicate support, and a bridged metallocene compound and obtaining a polyolefin having a g?vis of 0.90 or more and an MIR of 30 or less.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: July 16, 2019
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Matthew W. Holtcamp, Gregory S. Day, Laughlin G. McCullough, David F. Sanders
  • Patent number: 10308776
    Abstract: The present invention is directed to polyethylene films having improved properties. Particularly, relatively thick films having improved tear properties and methods of improving tear, and multilayer films having improved dart impact strength and methods of improving the Dart impact strength.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: June 4, 2019
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: David Michael Fiscus, Danny Van Hoyweghen
  • Patent number: 10301340
    Abstract: Nickel nanoparticles can be synthesized using a variety of precursors (e.g., nickel amides [Ni(NR2)2], alkyls [NR2], and alkoxides [Ni(OR)2]).
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: May 28, 2019
    Assignee: National Technology & Engineering Solutions of Sandia, LLC
    Inventors: Timothy J. Boyle, LaRico Juan Treadwell
  • Patent number: 10233363
    Abstract: A hot melt adhesive composition includes (A) 10-95 wt % of a random or homogeneous propylene-based interpolymer having: (i) a comonomer content of at least one of C2 and C4-10 a-olefin of 7 wt % to 49 wt % based on the total weight of the propylene-based interpolymer, (ii) an MWD of 4 or less, (iii) a density of 0.
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: March 19, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Yi Jin, Kim L. Walton, Gary R. Marchand
  • Patent number: 10227543
    Abstract: A lubricant composition includes a lubricant base oil (A) having a kinematic viscosity at 100° C. of 1 to 10 mm2/s, and an ethylene/?-olefin copolymer (B) in which (B1) the peak top molecular weight is 3,000 to 10,000, (B2) the copolymer shows no melting peak, (B3) the value B is not less than 1.1 and (B4) the kinematic viscosity at 100° C. is 140 to 500 mm2/s. The lubricant composition has a kinematic viscosity at 100° C. of not more than 20 mm2/s, a peak top of molecular weight in the range of 3,000 to 10,000, and a weight fraction of components having a molecular weight not less than 20,000 of 1 to 10% relative to all components having a molecular weight not less than the molecular weight that gives the peak top.
    Type: Grant
    Filed: September 7, 2015
    Date of Patent: March 12, 2019
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Shota Abe, Ryousuke Kaneshige
  • Patent number: 10221264
    Abstract: This invention provides activator precursor compositions and activator compositions. The activator precursor compositions are formed from a support material, a linking compound, and polyfunctional compounds having at least two aromatic groups in which at least two of said aromatic groups each has at least one polar moiety thereon. The activator compositions are formed from a support material, a linking compound, an aluminoxane, and a polyfunctional compound having at least two aromatic groups in which at least two of said aromatic groups each has at least one polar moiety thereon. Also provided are catalyst compositions, processes for forming catalyst compositions, and polymerization processes utilizing the catalyst compositions of this invention.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: March 5, 2019
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: Steven P. Diefenbach, Min Li, Matthew Grant Thorn, Lubin Luo
  • Patent number: 10184045
    Abstract: The present invention is directed to an elastomer composition comprising an ethylene/?-olefin/diene modified interpolymer, a very low density polyethylene component, and a propylene polymer component, wherein the propylene polymer component comprises at least one branched polypropylene. The inventive compositions are particularly suitable for fabricating thermoformed non-carpet automotive flooring.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: January 22, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: James T. Seliskar, James D. Oelberg
  • Patent number: 10131772
    Abstract: Provided are a rubber composition for a base tread capable of improving fuel efficiency, handling stability, and durability (flex crack growth resistance) in a balanced manner, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for a base tread, including: a rubber component and a reinforcing agent, the rubber component including natural rubber, a butadiene rubber (1) containing 1,2-syndiotactic polybutadiene crystals, a butadiene rubber (2) synthesized in the presence of a rare earth catalyst, and a modified butadiene rubber (3) having a cis content of not more than 50% by mass.
    Type: Grant
    Filed: February 24, 2014
    Date of Patent: November 20, 2018
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Toshikazu Kondo
  • Patent number: 9982171
    Abstract: A hot melt adhesive composition containing a functionalized polymer, namely, a metallocene catalyzed polyolefin elastomer grafted with maleic anhydride, together with a non-functionalized secondary polymer, namely, a metallocene catalyzed random or block polyolefin elastomer having a melt index equal to or greater than 15, a first tackifying resin having a softening point of at least 95° C., and a wax. The composition may optionally include an aromatic reinforcing resin having a softening point equal to or higher than 115° C., and a plasticizer. These hot melts provide superior hot tack, excellent adhesion, flexibility, and heat resistance above 150° F. in applications such as rigid packaging, hot fill packaging, and bottle labeling.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: May 29, 2018
    Assignee: Bostik, Inc.
    Inventors: Monina D. Kanderski, Michael D. Vitrano
  • Patent number: 9828450
    Abstract: Provided is a propylene-based elastomer having high tacticity and excellent mechanical properties. The propylene-based elastomer includes 50% by weight or more of a propylene-based repeating unit, and satisfies a particular relationship between an ethylene content and tacticity.
    Type: Grant
    Filed: June 10, 2015
    Date of Patent: November 28, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Seul Ki Kim, Eun Jung Lee, In Sung Park, Choong Hoon Lee, Byoung Soo Kim
  • Patent number: 9803037
    Abstract: This invention relates to a compound represented by the formula: TyLAMXn-2 wherein: A is a substituted or unsubstituted tetrahydro-as-indacenyl group bonded to M; L is substituted or unsubstituted monocyclic or polycyclic arenyl ligand or monocyclic or polycyclic heteroarenyl ligand bonded to M; M is a group 3, 4, 5, or 6 transition metal (preferably group 4); T is a bridging group bonded to L and A; y is 0 or 1, indicating the absence or presence of T; X is a leaving group, typically a univalent anionic ligand, or two Xs are joined and bound to the metal atom to form a metallocycle ring, or two Xs are joined to form a chelating ligand, a diene ligand, or an alkylidene; n is the oxidation state of M and is 3, 4, 5, or 6.
    Type: Grant
    Filed: May 3, 2016
    Date of Patent: October 31, 2017
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Jo Ann M. Canich, Vyatcheslav V. Izmer, Dmitry S. Kononovich, Alexander Z. Voskoboynikov
  • Patent number: 9783625
    Abstract: The invention provides a specific metallocene compound and an olefin polymerization catalyst for use for a catalyst for producing an olefin polymer having a sufficiently high molecular weight while maintaining excellent copolymerizability at a polymerization temperature and under polymerization conditions industrially advantageous in polymerization of an olefin such as ethylene or the like, and provides a method for producing an olefin polymer using the catalyst.
    Type: Grant
    Filed: February 26, 2014
    Date of Patent: October 10, 2017
    Assignee: JAPAN POLYETHYLENE CORPORATION
    Inventors: Koji Itagaki, Tsutomu Sakuragi, Takayoshi Takahashi
  • Patent number: 9637566
    Abstract: The present invention relates to a method for preparing a supported metallocene catalyst, and a method for preparing polyolefin using the same, in which the supported metallocene catalyst prepared from the simple process according to the method for preparing the supported metallocene catalyst of the present invention can apply to the polymerization of the polyolefin that is polymerized at low pressure or high pressure; the molecular weight distribution of polyolefin prepared can be easily controlled; and there are effects such that its catalyst activity is significantly higher than that of the existed supported metallocene catalyst, and the molecular weight distribution can be easily controlled.
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: May 2, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Hyuck-Ju Kwon, San-Ak Hwang, Dong-Gil Lee, Churl-Young Park
  • Patent number: 9605100
    Abstract: Disclosed herein are polymerization processes for the production of olefin polymers. These polymerization processes can employ a catalyst system containing two or three metallocene components, resulting in ethylene-based copolymers that can have a medium density and improved stress crack resistance.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: March 28, 2017
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Mark L. Hlavinka, Errun Ding, Paul DesLauriers, Yongwoo Inn, Lili Cui, Qing Yang, Ashish M. Sukhadia, Guylaine St. Jean, Richard M. Buck
  • Patent number: 9604903
    Abstract: A process of metathesizing a feedstock in the presence of a metathesis catalyst and at least one catalyst enhancer. The catalyst enhancer can be selected from a sacrificial catalyst or a non-catalyst enhancer. The process exhibits improved reaction times and/or the metathesis catalyst can be used at very low concentrations.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: March 28, 2017
    Assignee: CRODA INTERNATIONAL PLC
    Inventors: Bastiaan Wels, Hans Ridderikhoff, Tanja Van Bergen-Brenkman, Dessy Liminto
  • Patent number: 9587056
    Abstract: The present invention relates to an ethylene-alpha olefin copolymer having excellent processability. The copolymer according to the present invention has a high molecular weight and a broad molecular weight distribution and exhibits an excellent processability and an improved mechanical physical property, and thus can be effectively used for the application in need thereof.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: March 7, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Yu Taek Sung, Ki Soo Lee, Heon Yong Kwon, Dae Sik Hong, Se Young Kim, Sung Min Lee, Dong Hoon Jeong, Eun Young Shin, Hyun Jee Kwon
  • Patent number: 9523017
    Abstract: The present invention provides a mono coating film type waterborne coating composition comprising halogen free polyolefin resin, acryl polyol, acryl emulsion, and a solvent. According to the present invention, adhesion to a polyolefin substrate is excellent, and physical/chemical properties may be maintained with a single coating film instead of the currently used dual coating films, by a halogen free waterborne composition with physical/chemical properties similar to or more excellent than the existing oil coating or halogen-containing coating composition. Since these effects may be sufficiently obtained with a single coating film, consumption of coating may be reduced about 30˜40% compared to the existing method, and particularly, cost reduction may be expected through decrease in equipment required for dual coating film, energy for drying coating film, attractive force of coating, productivity increase, and the like.
    Type: Grant
    Filed: December 23, 2011
    Date of Patent: December 20, 2016
    Assignee: AKZO NOBEL COATINGS INTERNATIONAL B.V.
    Inventors: Chai-Ki Lee, Young-Tae Park, Peng-Sam Park
  • Patent number: 9512283
    Abstract: This disclosure relates to rotomolded articles, having a wall structure, where the wall structure contains at least one layer containing an ethylene interpolymer product, or a blend containing an ethylene interpolymer product, where the ethylene interpolymer product has: a Dilution Index (Yd) greater than 0; total catalytic metal ?3.0 ppm; ?0.03 terminal vinyl unsaturations per 100 carbon atoms, and; optionally a Dimensionless Modulus (Xd) greater than 0. The ethylene interpolymer products have a melt index from about 0.4 to about 100 dg/minute, a density from about 0.950 to about 0.970 g/cm3, a polydispersity (Mw/Mn) from about 2 to about 25 and a CDBI50 from about 55% to about 97%. Further, the ethylene interpolymer products are a blend of at least two ethylene interpolymers; where one ethylene interpolymer is produced with a single-site catalyst formulation and at least one ethylene interpolymer is produced with a heterogeneous catalyst formulation.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: December 6, 2016
    Assignee: NOVA Chemicals (International S.A.
    Inventors: XiaoChuan Wang, Tieqi Li, Christopher John Brooke Dobbin, Fazle Sibtain, Kenneth Edward Taylor, Hamidreza Khakdaman
  • Patent number: 9502705
    Abstract: A microporous membrane includes a low melting polypropylene, the low melting polypropylene being a polypropylene homopolymer or copolymer having an MFR?2.0×102, a Tm of 85.0° C. to 130.0° C., and a Te-Tm?10° C.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: November 22, 2016
    Assignee: Toray Battery Separator Film Co., Ltd.
    Inventors: Patrick Brant, Takeshi Ishihara, Satoshi Miyaoka, Donna J. Crowther, Koichi Kono
  • Patent number: 9493593
    Abstract: The present invention relates to a long-chain branched elastic terpolymer capable of satisfying excellent processability and elasticity (flexibility) at the same time, which is obtained in the presence of a Group IV transition metal catalyst, and a preparation method thereof. The elastic terpolymer is a copolymer of ethylene, an alpha-olefin having 3 to 20 carbon atoms, and a diene, wherein i) its weight average molecular weight measured by GPC is 100,000 to 500,000, and ii) its LCB Index which is a ratio of 1st harmonics of storage modulus to 5th harmonics of storage modulus measured at 125° C. using a rubber process analyzer according to a LAOS (Large Angles of Oscillation and high Strains) method has a positive value.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: November 15, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Sun Keun Kim, Sung Ho Park, Sung Cheol Yoon, Jun Seok Ko, Soo Young Choi
  • Patent number: 9481747
    Abstract: The present invention relates to an olefin-based polymer including an elution temperature 1 (Te1) and an elution temperature 2 (Te2), which are elution temperatures of the olefin-based polymer in a temperature range from ?20° C. to 130° C. when measuring temperature rising elution fractionation (TREF) and having branch gradient number (BGN) from ?1.0 to ?0.001 when measuring chromatography Fourier transform infrared spectroscopy (GPC FT-IR).
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: November 1, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Sang Eun Park, Hae Woong Park, Young Woo Lee, Choong Hoon Lee, Don Ho Kum
  • Patent number: 9376512
    Abstract: This invention relates to processes to produce polyethylene involving contacting ethylene with a metallocene catalyst system; wherein the catalyst system comprises: a stoichiometric activator; and a metallocene compound. The metallocene catalyst system is also disclosed.
    Type: Grant
    Filed: September 23, 2013
    Date of Patent: June 28, 2016
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Donna J. Crowther, Patrick Brant, John R. Hagadorn, Jacqueline A. Lovell
  • Patent number: 9365788
    Abstract: This invention is directed to a two-step process for the preparation of improved poly alpha olefins wherein the first step involves oligomerizing low molecular weight linear alpha olefins in the presence of a single site catalyst and the second step involves oligomerization of at least a portion of the product from the first step in the presence of an oligomerization catalyst. The dimer product from the first oligomerization is characterized by a tri-substituted vinylene olefin content of at least 25 wt %.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: June 14, 2016
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Craig J. Emett, Mark P. Hagemeister, Bruce A. Harrington, Chon Y. Lin, Phillip T. Matsunaga, Charles J. Ruff, Kevin B. Stavens