Patents Examined by Catherine S Branch
  • Patent number: 10647797
    Abstract: The disclosure provides a procatalyst for the polymerization of ethylene and optionally one or more alpha-olefins having the structure shown in formula (I) below: wherein at least two of Y1-Y3 and at least two of Y4-Y6 are fluorine atoms and when only two of Y1-Y3 and only two of Y4-Y6 are fluorine atoms, the non-fluorine Y1-Y6 are selected from the group consisting of H atom, alkyl groups, aryl groups, heteroaryl groups, and alkoxy groups. Also provided is a polymerization process using the procatalyst.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: May 12, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Philip P. Fontaine, Andrew Young, Susan Brown, Hien Do, Johnathan DeLorbe, Tulaza Vaidya, Chunming Zhang, Arvind Jaganathan
  • Patent number: 10647786
    Abstract: This invention relates to a supported catalyst system and process for use thereof. In particular, the catalyst system includes a pyridyldiamido transition metal complex, an activator and a support material. The catalyst system may be used for preparing ultrahigh molecular weight polyolefins.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: May 12, 2020
    Assignee: ExxonMobil Chemical Patents, Inc.
    Inventors: Xuan Ye, John R. Hagadorn, Matthew W. Holtcamp, Gregory S. Day, David F. Sanders
  • Patent number: 10640584
    Abstract: The present invention relates to a process for preparing a solid catalyst component suitable for producing polyethylene and its copolymers, said process comprising the steps of: (a) contacting a dehydrated support having hydroxyl groups with a magnesium compound having the general formula MgR1R2; (b) contacting the product obtained in step (a) with modifying compounds (A) and/or (B) and/or (C), wherein: (A) is at least one oxygen and/or nitrogen comprising organic compound; (B) is a compound having the general formula R11f(R12O)gSiXh, (C) is a compound having the general formula (R13O)4M, and (c) contacting the product obtained in step (b) with a titanium halide compound having the general formula TiX4, wherein Ti is a titanium atom and X is a halide atom, wherein an organometallic compound is added after step (a) and before step (b). The invention also relates to a solid catalyst component obtainable by said process.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: May 5, 2020
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Akhlaq Moman, Ian Blackmore
  • Patent number: 10633463
    Abstract: This invention relates to a non-phthalate catalyst system for olefin polymerization. The non-phthalate catalyst system comprises (a) a solid Ziegler-Natta catalyst composition comprising a transition metal, a Group 2 metal, and one or more halogens; and one or more internal electron donor compounds; and (b) one or more external electron donor compounds.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: April 28, 2020
    Assignee: BRASKEM AMERICA, INC.
    Inventors: Brandi Mitchell, Craig Meverden
  • Patent number: 10633464
    Abstract: This invention relates to a non-phthalate catalyst system for olefin polymerization. The non-phthalate catalyst system comprises (a) a solid Ziegler-Natta catalyst composition comprising a transition metal, a Group 2 metal, and one or more halogens; and one or more internal electron donor compounds; and (b) one or more external electron donor compounds.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: April 28, 2020
    Assignee: BRASKEM AMERICA, INC.
    Inventors: Brandi Mitchell, Craig Meverden
  • Patent number: 10633474
    Abstract: Vanadium pyridine-imine complex having general formula (I), wherein: —R1, R2, R3, R4, R5 and R6, equal to or different from each other, represent a hydrogen atom; or are selected from linear or branched C1-C20 alkyl groups, preferably C1-C15, optionally halogenated cycloalkyl groups optionally substituted, aryl groups optionally substituted; —X1, X2 and X3, equal to or different from each other, represent a halogen atom such as, for example, chlorine, bromine, iodine, preferably chlorine; or are selected from linear or branched C1-C20 alkyl groups, preferably C1-C15, —OCOR7 groups or —OR7 groups wherein R7 is selected from linear or branched C1-C20 alkyl groups, preferably C1-C15; —Y is selected from ethers such as, for example, diethylether, tetrahydrofuran (THF), dimethoxyethane, preferably is tetrahydrofuran (THF); —n is 0 or 1. Said vanadium pyridine-imine complex having general formula (I) can be advantageously used in a catalytic system for the (co) polymerization of conjugated dienes.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: April 28, 2020
    Assignee: versalis S.p.A.
    Inventors: Giovanni Ricci, Giuseppe Leone, Anna Sommazzi, Francesco Masi
  • Patent number: 10633470
    Abstract: A method for producing a conjugated diene polymer having a high content of cis-1,4-structures with a high activity, a conjugated diene polymer, and a modified conjugated diene polymer. The catalyst for conjugated diene polymerization in the method includes: a non-metallocene type gadolinium compound (A) represented by the general formula (1); an ionic compound (B) formed of a non-coordinating anion and a cation; and an organic metal compound (C) of an element selected from the group consisting of a group 2, a group 12, and a group 13 of the periodic table.
    Type: Grant
    Filed: May 6, 2019
    Date of Patent: April 28, 2020
    Assignee: Ube Industries, Ltd.
    Inventors: Koji Shiba, Masato Murakami, Michinori Suzuki, Naomi Okamoto, Mitsuharu Anbe, Masahiro Tanaka
  • Patent number: 10611857
    Abstract: Bis phenolate transition metal complexes are disclosed for use in alkene polymerization, with optional chain transfer agent, to produce polyolefins.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: April 7, 2020
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Crisita Carmen H. Atienza, David A. Cano, Catherine A. Faler
  • Patent number: 10611865
    Abstract: The present invention provides a solid organomagnesium precursor having formula {Mg(OR?)X}.a{MgX2}.b{Mg(OR?)2}.c{R?OH}, wherein R? is selected from a hydrocarbon group, X is selected from a halide group, and a:b:c is in range of 0.01-0.5:0.01-0.5:0.01-5 and process for preparing the same, said process comprising contacting a magnesium source with a solvating agent, an organohalide and an alcohol to obtain the solid organomagnesium precursor. The present invention also provides a process for preparing a catalyst system using the organomagnesium precursor and its use thereof for polymerization of olefins.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: April 7, 2020
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Sukhdeep Kaur, Gurmeet Singh, Bhasker Bantu, Naresh Kumar, Gurpreet Singh Kapur, Shashi Kant, Biswajit Basu, Ravinder Kumar Malhotra
  • Patent number: 10610487
    Abstract: Water-soluble polymeric salts of medicaments sparingly soluble in water consisting of a cationogenic medicament which, in uncharged form or as hydrochloride, has a solubility of less than 0.1% (m/m) in water, artificial intestinal juice or gastric juice, and an anionogenic water-soluble polymer having a solubility in water of at least 5% (m/m) in the pH range of 1 to 13 and which is obtained by free-radically initiated polymerization of a monomer mixture of i) 70 to 90% by weight N-vinylpyrrolidone and ii) 10 to 30% by weight acrylic acid, wherein the sum total of i) and ii) corresponds to 100% by weight.
    Type: Grant
    Filed: August 17, 2016
    Date of Patent: April 7, 2020
    Assignee: BASF SE
    Inventors: Heiko Alexander Schiffter, Maximilian Angel, Karl Kolter, Felicitas Guth
  • Patent number: 10590214
    Abstract: The various embodiments of the invention provide, a magnesium titanium polymerization procatalyst, methods for making and using the same.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: March 17, 2020
    Assignee: NOVA Chemicals (International) S.A.
    Inventors: Qinyan Wang, Helena Ouskine, Mohamed Aiffa, Amy Baltimore, Holly Severin, Perry Dewit, Steven Clemens, Lawrence Martin Josef Van Asseldonk, Isam Jaber
  • Patent number: 10589496
    Abstract: Disclosed herein is a multilayer film comprising two outer layers; where each outer layer comprises polyethylene; two tie layers; where each tie layer comprises a crystalline block composite; where each tie layer has a first face and a second face that are opposed to each other, and where the first face of each tie layer contacts at least one outer layer; and a core layer; where the core layer comprises a polypropylene; where the second face of each tie layer contacts the core layer. Disclosed herein is a method that includes coextruding the aforementioned multilayered film.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: March 17, 2020
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Yushan Hu, Rajen M. Patel, Gary R. Marchand, Sharon L. Baker, Christopher I. Gandy, Lori L. Kardos
  • Patent number: 10584192
    Abstract: The present disclosure provides a solid catalyst component obtainable by a process including: (a) a first step in which Ti(OEt)4, is reacted with a Mg based compound of formula MgCln(ORI)2-n, where n is from about 0.5 to about 1.5, RI is a C1-C10 alkyl groups, the Ti(OEt)4 and the Mg compound are used in amounts such that the Ti/Mg molar ratio is of about 0.2 to about 0.4, the reaction temperature is about 110 to about 130° C., and the reaction time is about 2 to about 5 hours; and (b) a subsequent step in which the product obtained in step (a) is reacted with a Ti compound of the formula Ti(ORI)4-yCly, where y is a number between 3 and 4.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: March 10, 2020
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Simona Guidotti, Tiziano Dall'Occo, Dario Liguori, Giampiero Morini
  • Patent number: 10584196
    Abstract: A process for producing copolymers of ethylene and at least one alpha-olefin having from 4 to 10 carbon atoms in the presence of a solid Ziegler-Natta catalyst comprising of magnesium, titanium, halogen and an internal organic compound, the copolymer having a density of from 906 to 937 kg/m3 and a melt flow rate MFR21 measured at 190° C. under 21.6 kg load of from 3 to 150 g/10 min. The process includes the steps of (A) homopolymerising ethylene or copolymerising ethylene and a first alpha-olefin having from 4 to 10 carbon atoms in a first polymerisation stage in the presence of the polymerisation catalyst, hydrogen and optionally the first alpha-olefin; (B) copolymerising ethylene and a second alpha-olefin having from 4 to 10 carbon atoms in a second polymerisation stage in the presence of the first homo- or copolymer of ethylene and the Ziegler-Natta catalyst; and (C) recovering the polymer mixture.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: March 10, 2020
    Assignee: BOREALIS AG
    Inventors: Alexandra Romina Albunia, Ravindra Tupe, Victor Sumerin, John Jamieson, Jani Aho, Markku Vahteri, Jarmo Kela, Renate Eckmayr
  • Patent number: 10577435
    Abstract: The invention relates to a gas phase polymerisation process for the production of ethylene polymers in the presence of a catalyst composition based on a chromium compound, a titanium compound and a silica support material. The silica support material has a surface area (SA) between 685 m2/g and 800 m2/g, a pore volume (PV) between 1.65 and 1.85 cm3/g and an average particle size in the range between 25 and 35 micrometres. The catalyst composition is injected by a dry catalyst feeder into the polymerization reactor.
    Type: Grant
    Filed: July 27, 2016
    Date of Patent: March 3, 2020
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Orass M. Hamed, Nayef M. Al-Enazi, Vugar O. Aliyev, Abderrahman Meddad
  • Patent number: 10577490
    Abstract: A polyethylene composition having the following features: 1) density from about 0.945 to about 0.955 g/cm3, determined according to ISO 1183 at 23° C.; 2) ratio MIF/MIP from about 23 to about 40; 3) MIF from about 8.5 to about 18 g/10 min.; 4) HMWcopo index from about 3.5 to about 20; and 5) long-chain branching index, LCBI, equal to or greater than about 0.45. The polyethylene composition can be used to produce pipes and films.
    Type: Grant
    Filed: June 6, 2016
    Date of Patent: March 3, 2020
    Assignee: Basell Polyolefine GmbH
    Inventors: Iakovos Vittorias, Bernd Lothar Marczinke, Gerhardus Meier, Ulf Schüller, Andreas Maus, Harilaos Mavridis, Diana Dötsch
  • Patent number: 10570222
    Abstract: A new phosphinimine polymerization catalyst exhibits restricted rotation about a carbon-phosphorous bond. The restricted rotation is demonstrated using variable temperature 1H NMR. Ethylene copolymers made using the catalysts have microstructures which are dependent on the temperature at which polymerization takes place.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: February 25, 2020
    Assignee: NOVA Chemicals (International) S.A.
    Inventor: Darryl J. Morrison
  • Patent number: 10562987
    Abstract: Catalyst systems with single site transition metal complexes (such as quinolinyldiamide transition metal complexes), an activator, and a metal hydrocarbenyl transfer agent (preferably an aluminum vinyl-transfer agent) are disclosed for use in alkene polymerization.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: February 18, 2020
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Jo Ann M. Canich, John R. Hagadorn
  • Patent number: 10562988
    Abstract: Disclosed is a method for producing a polyolefin including: (1) a step (1) of polymerizing one or more olefins in solution polymerization or slurry polymerization in the presence of a polymerization catalyst to produce a polymer solution, (2) a step (2) of taking out the polymer solution obtained in the step (1), and adding a catalyst deactivator in the polymer solution to deactivate the polymerization catalyst, and (3) a step (3) of removing volatile components in vacuum from the polymer solution where the polymerization catalyst has been deactivated, and including, between the step (2) and the step (3), a step of adding an additive to the polymer solution when the water concentration in the polymer solution is 5 ppm by mass or less.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: February 18, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tatsuyoshi Yokota, Shinji Miyamoto
  • Patent number: 10556976
    Abstract: The present invention provides a catalyst composition including a functionalizing agent of the following Formula 1 together with a rare earth metal compound, an alkylating agent, and a halogen compound, having good catalytic activity and polymerization reactivity and useful for the preparation of a conjugated diene-based polymer having high linearity and excellent processability, and a conjugated diene-based polymer prepared using the catalyst composition. (X1)a—N—(X2)3-a??[Formula 1] In Formula 1, a, X1, and X2 are the same as defined in the disclosure.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: February 11, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Suk Youn Kang, Hyo Jin Bae, Sung Ho Park, Jeong Heon Ahn, Ji Eun Kim, Kyoung Hwan Oh