Patents Examined by Catherine S Branch
  • Patent number: 11407845
    Abstract: A method for controlling a residual monomer content of a polymer, wherein when a hot-air temperature and a hot-air velocity are maintained, the controlling method can predict the content of the residual monomer by controlling a hot-air mass ratio without influence of other external factors.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: August 9, 2022
    Assignee: LG Chem, Ltd.
    Inventors: Yong Joon Choi, Won Chan Park
  • Patent number: 11401359
    Abstract: The present invention relates to a cable jacket comprising a random heterophasic propylene copolymer, the random heterophasic polypropylene copolymer comprising a matrix (M) being a random propylene copolymer (R-PP) and dispersed therein an elastomeric propylene copolymer (E), wherein the random propylene copolymer (R-PP) comprises a first propylene copolymer fraction (R-PP1) having a comonomer content in the range of 0.8 to 6.0 mol % and a second propylene copolymer fraction (R-PP2) having a comonomer content in the range of 7.2 to 20.0 mol %, based on the overall amount of fractions (R-PP1) and (R-PP2), and wherein the random heterophasic propylene copolymer has MFR2 (230° C.) measured according to ISO 1133 in the range of 0.5 to 15 g/10 min, and Charpy impact strength measured according to ISO 179-1/1eA at ?20° C. in the range of 5 to 20 kJ/m2. The present invention further relates to a power cable comprising the cable jacket.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: August 2, 2022
    Assignee: BOREALIS AG
    Inventors: Åsa Wannerskog, Ola Fagrell
  • Patent number: 11384227
    Abstract: The present invention provides a resin composition for core-sheath type bi-component fiber that not only maintains excellent softness, but also improves tensile strength, when preparing non-woven fabric, particularly spunbond non-woven fabric.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: July 12, 2022
    Inventors: Seong Min Chae, Jihwa Ye, Kyung Seop Noh, Heekwang Park, Taejin Kim, Daeyeon Lee
  • Patent number: 11384179
    Abstract: A method of preparing a catalyst comprising a) contacting a non-aqueous solvent, a carboxylic acid, and a chromium-containing compound to form an acidic mixture; b) contacting a titanium-containing compound with the acidic mixture to form a titanium treatment solution; c) contacting a pre-formed silica-support comprising from about 0.1 wt. % to about 20 wt. % water with the titanium treatment solution to form a pre-catalyst; and d) thermally treating the pre-catalyst to form the catalyst. A method of preparing a catalyst comprising a) contacting a non-aqueous solvent and a carboxylic acid to form an acidic mixture; b) contacting a titanium-containing compound with the acidic mixture to form a titanium treatment solution; c) contacting a pre-formed chrominated silica-support comprising from about 0.1 wt. % to about 20 wt. % water with the titanium treatment solution to form a pre-catalyst; and d) thermally treating the pre-catalyst to form the catalyst.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: July 12, 2022
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Max P. McDaniel, Kathy S. Clear, Eric D. Schwerdtfeger, Jeremy M. Praetorius
  • Patent number: 11384175
    Abstract: Silica composites and supported chromium catalysts having a bulk density of 0.08 to 0.4 g/mL, a total pore volume of 0.4 to 2.5 mL/g, a BET surface area of 175 to 375 m2/g, and a peak pore diameter of 10 to 80 nm are disclosed herein. These silica composites and supported chromium catalysts can be formed by combining two silica components. The first silica component can be irregularly shaped, such as fumed silica, and the second silica component can be a colloidal silica or a silicon-containing compound, and the second silica component can act as a glue to bind the silica composite together.
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: July 12, 2022
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Max P. McDaniel, Kathy S. Clear, Carlton E. Ash, Stephen L. Kelly, Amanda B. Allemand
  • Patent number: 11384180
    Abstract: The present invention provides a homopolypropylene having high strength and a low content of low molecular weights together with excellent processability, and a preparation method thereof.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: July 12, 2022
    Inventors: Taejin Kim, Seong Min Chae, Kyung Seop Noh, Sang Jin Jeon, In Yong Jung
  • Patent number: 11370855
    Abstract: The present invention provides a method for preparing a butene oligomer including a step of oligomerizing a polymerization solution including a halogenated hydrocarbon solvent, a nonpolar hydrocarbon solvent and an isobutene monomer in the presence of an organometal catalyst.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: June 28, 2022
    Inventors: Jin Lee, Dong Hyun Jo, Won Hee Kim, Gyeong Shin Choi
  • 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: 11370860
    Abstract: This invention relates to a catalyst system including the reaction product of a support (such as a fluorided silica support that preferably has not been calcined at a temperature of 400° C. or more), an activator and at least two different transition metal catalyst compounds; methods of making such catalyst systems, polymerization processes using such catalyst systems and polymers made therefrom.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: June 28, 2022
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Rohan A. Hule, Antonios K. Doufas, Derek W. Thurman, Crisita Carmen H. Atienza, Matthew W. Holtcamp, David F. Sanders, Matthew S. Bedoya
  • Patent number: 11370854
    Abstract: A solid catalyst component for use in olefinic polymerization, includes titanium, magnesium, a halogen, and an internal electron donor compound; wherein: the internal electron donor compound is at least one compound represented by Formula (I)):
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: June 28, 2022
    Assignees: Braskem America, Inc., W.R. Grace & Co.-CONN.
    Inventors: Binh Thanh Nguyen, Jonas Alves Fernandes, Vladimir P. Marin, Mushtaq Ahmed Patel
  • Patent number: 11365270
    Abstract: The invention relates to polybutadiene, which contains the monomer units derived from 1,3-butadiene having a vinyl double bond in a proportion of 25 to 75 mole percent, having a trans-double bond in a proportion of 0 to 10 mole percent and a cis-double bond in a proportion of 25 to 75 mole percent, wherein the totality of the monomer units (A), (B) and (C) is supplemented to 100 mole percent, and which is characterized in that it has a number-average mole mass of 1,000 to 3,000 g/mole. The invention further relates to a method for producing polybutadienes, the use of the polybutadiene according to the invention and compositions containing polybutadiene according to the invention.
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: June 21, 2022
    Assignee: Evonik Operations GmbH
    Inventors: Kai-Steffen Krannig, Jürgen Herwig, Andreas Berlineanu, Miriam Ammer, Philip Kemper, Alexander Pschantka, Yvonne Groß-Onnebrink, Gudula Beuers, Margit Bukohl, Kirsten Luce, Siegfried Jittenmeier
  • Patent number: 11359049
    Abstract: The present invention provides novel methods and processes for polymerizing unsaturated substrates, such as alkyne bearing monomers, with arenes. The polymerizations are catalyzed by gold (Au) catalysts/complexes and/or other cocatalysts. The invention further provides novel structurally complex polymers prepared in high yield via an intermolecular polyhydroarylation mechanism. Such resulting products comprise oligomeric and polymeric materials with novel molecular architectures and microstructures, which subsequently impart unique properties. The invention includes both the synthesis methods and processes and the resulting compounds and compositions of matter.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: June 14, 2022
    Assignee: THE UNIVERSITY OF SOUTHERN MISSISSIPPI
    Inventors: Jason D. Azoulay, Joshua Tropp, Eric King
  • Patent number: 11359039
    Abstract: A method for forming polar-functionalized polyolefins may comprise contacting an unsubstituted ?-olefin monomer and an amino-olefin monomer of formula H2C?CH(CH2)n(CHR)mNR?2, wherein R is H or an unsubstituted linear or branched alkyl group having from 1 to 10 carbons, each R? is an independently selected unsubstituted linear or branched alkyl group having from 1 to 10 carbons, m is an integer from 1 to 11, and n is an integer from 1 to 11, in the presence of a rare earth catalyst and a cocatalyst under conditions to induce a heteropolymerization reaction between the unsubstituted oc-olefin and amino-olefin monomers to provide a polar-functionalized poly olefin.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: June 14, 2022
    Assignee: Northwestern University
    Inventors: Tobin J. Marks, Jiazhen Chen, Tracy L. Lohr
  • Patent number: 11359032
    Abstract: Disclosed are a Z-N catalyst for ?-olefin polymerization and an application thereof, specifically, an industrial production catalyst consisting of (A) a solid catalyst component, (B) a cocatalyst organoaluminum compound and (C) an external electron donor compound and used for ?-olefin polymerization or copolymerization processes. The catalyst component is prepared from a transition metal such as titanium and magnesium and a composite aromatic diacid diester/1,3-diether as an internal electron donor. One or more organoaluminum compounds or a mixture thereof serve as the cocatalyst. One or more structure control agent hydrocarbyl alkoxysilicons are compounded with one or more activity regulator organic acid esters as the external electron donor capable of automatically adjusting the polymerization rate. The Z-N catalyst is used for ?-olefin polymerization/copolymerization, and can automatically adjust the polymerization rate at a higher polymerization temperature so as to maintain stable operation of a reactor.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: June 14, 2022
    Inventors: Licai Wang, Zhanxian Gao, Qinghai Sun, Limei Yu, Huan Wang, Wei Li, Guotong Zheng, Qingxin Dong, Yongqiang Wang, Wenwei Wang, Zhe Yuan, Yang Li
  • Patent number: 11359034
    Abstract: The present invention relates to a novel process for preparing high-reactivity isobutene homo- or copolymers with a content of terminal vinylidene double bonds per polyisobutene chain end of at least 70 mol %. The present invention further relates to novel isobutene polymers.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: June 14, 2022
    Assignee: BASF SE
    Inventors: Rosa Corberan Roc, Klaus Muehlbach, Thomas Wettling, Sergei V. Kostjuk, Irina Vasilenko, Dmitryi Shiman
  • Patent number: 11352455
    Abstract: The present invention is directed to a method of making a functionalized elastomer, comprising the step of polymerizing a conjugated diene monomer in the presence of a lanthanide-based coordination polymerization catalyst activated with a functionalized aluminum reagent of formula 1 where R is a linear or branched alkane group containing 1 to 8 carbon atoms, and R1 is phenylene, or a linear or branched alkane diyl group containing 2 to 10 carbon atoms, or a combination of one or more phenylene groups and one or more linear or branched alkane diyl groups containing 1 to 10 carbon atoms; Q is of formula 2 where R5, R6 and R7 are independently a linear or branched alkyl group containing 1 to 3 carbon atoms or a group of formula 3 where R3 and R4 are independently phenyl or a linear or branched alkyl group containing 1 to 10 carbon atoms, or R3 and R4 taken together with the nitrogen atom represent a nitrogen containing heterocyclic group containing from 4 to 12 carbon atoms; or R5, R6 and R7 taken
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: June 7, 2022
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Seth Cody Ensign, Margaret Flook Vielhaber
  • Patent number: 11332425
    Abstract: The magnesium alkoxide particle contains the reaction product of the following components: 1) a magnesium powder; 2) a mixed alcohol; 3) a halogenating agent; and 4) a titanate compound. The magnesium alkoxide particle is used for preparing a catalyst for olefin polymerization.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: May 17, 2022
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION
    Inventors: Xiudong Xu, Zhong Tan, Qilong Zhou, Rui Zhang, Weiwei Song, Jinhua Yu, Fengkui Li, Shanshan Yin
  • Patent number: 11312795
    Abstract: A catalyst for olefin polymerization containing at least one metal complex comprising at least one —SF5 group attached to a ligand bound to the metal. The invention further relates to catalyst, a process for making polyolefins and dispersions of UHMWPE.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: April 26, 2022
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Nicolaas Hendrika Friederichs, Martin Alexander Zuideveld, Philip Kenyon, Stefan Mecking
  • Patent number: 11299505
    Abstract: Bis-imine titanium complex having general formula (I): wherein: R1 and R2, mutually identical or different, represent a hydrogen atom; or are selected from linear or branched, optionally halogenated, C1-C20 alkyl groups, preferably C1-C15, optionally substituted cycloalkyl groups; R3 and R4, mutually identical or different, represent a hydrogen atom; or are selected from linear or branched, optionally halogenated, C1-C20 alkyl groups, preferably C1-C15, optionally substituted cycloalkyl groups, optionally substituted aryl groups; X1, X2, X3 and X4, mutually identical or different, represent a halogen atom such as chlorine, bromine, iodine; or are selected from linear or branched C1-C20 alkyl groups, preferably C1-C15, —OCOR5 groups or —OR5 groups wherein R5 is selected from linear or branched C1-C20 alkyl groups, preferably C1-C15; or represent an acetylacetonate group (acac); provided that when R1 and R2 represent a methyl group and X1, X2, X3 and X4 represent a chlorine atom, R3 and R4 are different from 2,
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: April 12, 2022
    Assignee: Versalis S.P.A.
    Inventors: Guido Pampaloni, Giovanni Ricci, Anna Sommazzi, Massimo Guelfi, Giuseppe Leone, Francesco Masi
  • Patent number: 11283023
    Abstract: Disclosed is a polymer blend comprising an organic semiconductor (OSC) polymer blended with an isolating polymer and method for making the same. The OSC polymer includes a diketopyrrolopyrrole fused thiophene polymeric material, and the fused thiophene is beta-substituted. The isolating polymer includes a non-conjugated backbone, and the isolating polymer may be one of polyacrylonitrile, alkyl substituted polyacrylonitrile, polystyrene, polysulfonate, polycarbonate, an elastomer block copolymer, derivatives thereof, copolymers thereof and mixtures thereof. The method includes blending the OSC polymer with an isolating polymer in an organic solvent to create a polymer blend and depositing a thin film of the polymer blend over a substrate. Also disclosed is an organic semiconductor device that includes a thin semiconducting film comprising OSC polymer.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: March 22, 2022
    Assignee: Corning Incorporated
    Inventors: Mingqian He, Yang Li, James Robert Matthews, Karan Mehrotra, Weijun Niu, Arthur Lawrence Wallace