Patents Examined by Catherine S Branch
  • Patent number: 10442883
    Abstract: The invention is related to a new soft heterophasic random propylene copolymer with improved optical properties, as well as the process by which the heterophasic random propylene copolymer is produced.
    Type: Grant
    Filed: July 4, 2016
    Date of Patent: October 15, 2019
    Assignee: Borealis AG
    Inventors: Jingbo Wang, Katja Klimke, Markus Gahleitner, Pauli Leskinen, Johanna Lilja
  • Patent number: 10435490
    Abstract: A Prepolymerized catalyst component for the polymerization of olefins comprising a solid catalyst component which comprises Mg, Ti, and chlorine atoms and an electron donor (ID) said prepolymerized catalyst component being characterized by the fact that: the electron donor (ID) is constituted by at least 80% mol of 1,3 diethers with respect to the total molar amount of electron donor compounds; the prepolymerized catalyst has a porosity due to pores with diameters up to 1 ?m of less than 0.2 cm3/g; it contains an amount of ethylene prepolymer of less than 45% with respect to the total weight of prepolymerized catalyst.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: October 8, 2019
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Giuseppina Maria Algozzini, Diego Brita, Massimo Cenci, Gianni Collina, Tiziano Dall'occo, Maria Di Diego, Benedetta Gaddi, Ofelia Fusco, Giampiero Morini, Lorella Pedriali
  • Patent number: 10414140
    Abstract: Provided herein are roofing membranes that comprise a blend composition of propylene-based elastomer, thermoplastic resin, flame retardant, and ultraviolet stabilizer. In some embodiments, the blend compositions further comprise polyalphaolefin.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: September 17, 2019
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Felix M. Zacarias, Liang Li, Narayanaswami Dharmarajan, Jan Kalfus
  • Patent number: 10411237
    Abstract: Provided is a microporous polyolefin membrane which has excellent oxidation resistance and electrolyte injection performance and further has excellent permeability and strength balance. The multilayer, microporous polyolefin membrane has a first microporous layer containing polypropylene. The electrolyte injection performance is 20 seconds or less, at least one surface layer is the first microporous layer, and the PP distribution in the first microporous layer is uniform in the in-plane direction.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: September 10, 2019
    Inventor: Takeshi Ishihara
  • Patent number: 10407523
    Abstract: The present disclosure concerns a bulk polymerization process for the preparation of high heat performance copolymer resins with a reduced amount of oligomer byproduct. The method can comprise isolating oligomer byproduct and introducing the oligomer byproduct into the reactant mixture for the bulk polymerization process.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: September 10, 2019
    Inventors: Dejin Li, George H. Flowers, Shripathy Vilasagar
  • Patent number: 10407519
    Abstract: Solid adducts comprising MgCl2 and an alcohol ROH in which R is a C1-C20 hydrocarbon group, in which the amount of alcohol ranges from higher than 42% to 60% by weight and the porosity determined with Hg method due to pores up to 1 ?m and expressed in cm3/g, is such that the value of its ratio with the amount of alcohol in percentage falls above the straight line defined by the equation y=?0.0158x+1.03 in which y is the porosity of the adduct and x is the alcohol percentage by weight.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: September 10, 2019
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Daniele Evangelisti, Benedetta Gaddi, Gianni Collina
  • Patent number: 10407518
    Abstract: The present invention describes a catalyst support, which is used as an inorganic carrier for a Ziegler-Nata catalyst (ZN), using a modified spray cooling method. Such a catalyst support is prepared from alcoholic solutions of (a) an inorganic compound, in which the inorganic compound is a magnesium compound and (b) an inorganic compound and one or more additives. The solutions are prepared at a temperature below 100° C., carried through a nozzle placed inside a reactor, and sprayed into droplets forming a solid precipitate, which is generally spherical, when in contact with an inert hydrocarbon solvent at low temperature. The obtained catalyst support is reacted with a titanium compound, preferably titanium tetrachloride, in order to produce an active catalyst for olefin polymerization.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: September 10, 2019
    Assignee: Braskem S.A.
    Inventors: Renata da Silva Cardoso, Jonas Alves Fernandes, Marcia Regina Washburger, Cesar Augusto Sales Barbosa
  • Patent number: 10399052
    Abstract: The use of induced condensing agent (ICA) in fluidized bed gas phase reactor systems enables higher production rates but can affect the resulting polyolefins melt index. The effect the increased ICA concentration may have on a melt index may be counteracted, if necessary, by altering the concentration of olefin monomer within the reactor system.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: September 3, 2019
    Assignee: Univation Technologies, LLC
    Inventors: Bruce J. Savatsky, Natarajan Muruganandam, Timothy R. Lynn, James M. Farley, Daniel P. Zilker, Jr., Fathi David Hussein
  • Patent number: 10400047
    Abstract: An olefin polymerization catalyst containing a complex of a ligand being a diimine compound represented by the formula (1) and at least one metal selected from the group consisting of Group 8 elements, Group 9 elements and Group 10 elements: wherein Ar1 and Ar2 are respectively a group represented by the formula (2): wherein R1 and R5 are respectively a hydrogen atom or a hydrocarbyl group having 1 to 5 carbon atoms, the total number of carbon atoms of R1 and R5 is 1 or more and 5 or less, and R2, R3 and R4 are respectively a hydrogen atom or an electron-donating group.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: September 3, 2019
    Inventors: Fuyuki Aida, Kazuo Tagawa
  • Patent number: 10392453
    Abstract: A method for producing an olefin polymerization catalyst includes bringing a solid catalyst component for olefin polymerization, a vinylsilane compound, an organosilicon compound, and an organoaluminum compound into contact with each other in an inert organic solvent under an inert gas atmosphere in the absence of a specific vinyl compound, wherein a washing treatment is not performed after the vinylsilane compound has been added to the reaction system, the solid catalyst component includes a magnesium compound, a titanium halide compound, and an electron donor compound that does not include a phthalic acid ester structure, and includes a diol skeleton, and the organosilicon compound does not include a vinyl group, and includes at least one group selected from an alkoxy group and an amino group.
    Type: Grant
    Filed: January 18, 2016
    Date of Patent: August 27, 2019
    Assignee: TOHO TITANIUM CO., LTD.
    Inventors: Hiroyuki Kono, Toshiya Uozumi, Shingo Yamada, Toshihiko Sugano
  • Patent number: 10392471
    Abstract: Various embodiments disclosed relate to polymers and methods of making the same. In various embodiments, the present invention provides a method of forming a polymer including subjecting a composition including a carboxylic acid having the structure (Rf—O)z1—Ra to conditions sufficient to form a polymer having the structure Reg—[O—Ra(O—Rb)z1-2—O—C(O)—R?(O—Rd)z2-1—C(O)]n—O—Ra(O—Rb)z1-2—O—Reg or a salt or ester thereof, wherein Ra, R? Rb, Rd, Rf, Reg, z1, z2, and n are as defined herein. In various embodiments, the polymer is a tackifier, a viscosifier, or a combination thereof.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: August 27, 2019
    Assignee: Iowa State University Research Foundation, Inc.
    Inventors: Jason Shih-Hao Chen, Michael Dennis Zenner
  • Patent number: 10392450
    Abstract: A process to form a block copolymer comprising two or more regions or segments of differentiated polymer composition or properties, including feeding a first mixture that includes a chain shuttling agent, a solvent, the one or more monomers, and optionally hydrogen into a first reactor or reactor zone, feeding a second mixture that includes at least one olefin polymerization catalyst and at least one cocatalyst into the first reactor or reactor zone, contacting the first mixture and the second mixture under polymerization conditions in the first reactor or reactor zone to form a reaction mixture that is characterized by the formation of polymer chains from the monomers, allowing polymerization to occur in the first reactor or reactor zone and/or a second reactor or reactor zone to form polymer chains that are differentiated from the polymer chains, such that the resultant polymer has two or more chemically or physically distinguishable blocks.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: August 27, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Thomas W. Karjala, Brandon Fails, Jacob Veldman, Curvel Hypolite, James B. Crim, Anthony J. Castelluccio, Ludovicus J C Sluijts, Pradeep Jain
  • Patent number: 10381567
    Abstract: The present teachings relate to new organic semiconducting compounds and their use as active materials in organic and hybrid optical, optoelectronic, and/or electronic devices such as photovoltaic cells, light emitting diodes, light emitting transistors, and field effect transistors. The present compounds can provide improved device performance, for example, as measured by power conversion efficiency, fill factor, open circuit voltage, field-effect mobility, on/off current ratios, and/or air stability when used in photovoltaic cells or transistors. The present compounds can have good solubility in common solvents enabling device fabrication via solution processes.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: August 13, 2019
    Assignee: Flexterra, Inc.
    Inventors: Antonio Facchetti, Mark Seger, Ali Mohebbi
  • Patent number: 10370383
    Abstract: A process for preparing isosorbide di(meth)acrylate by transesterifying alkyl (meth)acrylate with isosorbide, comprising the steps of: (i) reacting alkyl (meth)acrylate with isosorbide in the presence of a catalyst comprising titanium(IV) or zirconium(IV) and a stabilizer in the presence of an azeotroping agent which forms an azeotrope with the alcohol bound in the alkyl (meth)acrylate, (ii) continuously distilling off the azeotrope of azeotroping agent and alcohol, wherein steps (i) and (ii) are conducted simultaneously until the isosorbide has been essentially fully converted, (iii) adding water to the product mixture which comprises isosorbide (meth)acrylate and is obtained in steps (i) and (ii) and removing the hydrolyzate of the catalyst comprising titanium(IV) or zirconium(IV), (iv) distilling unconverted alkyl (meth)acrylate and azeotroping agent out of the product mixture, (v) distilling off water from the product mixture, wherein step (iv) can also be conducted before step (iii) and steps (iv) and
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: August 6, 2019
    Assignee: BASF SE
    Inventors: Andrea Misske, Friederike Fleischhaker, Christoph Fleckenstein, Martin Kaller, Ritesh Nair, Ulrik Stengel, Mathieu Blanchot
  • Patent number: 10364312
    Abstract: The present invention relates to the field of shape memory materials. Specifically, a shape memory polymer, a preparation method therefor, and use thereof are provided. The shape memory polymer is formed by polymerizing methyl ally polyethenoxy ether and 2-(dimethylamino)ethyl methacrylate. The synthesis steps of the shape memory polymer are simplified, the preparation method is simple, and the production cost is low. In addition, the shape memory polymer prepared in the present invention has excellent shape memory performance and high hydrophilicity and biocompatibility, and is suitable for preparing biomedical materials in the field of biomedical science.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: July 30, 2019
    Inventors: Shaojun Chen, Yangyang Chen, Funian Mo, Haitao Zhuo
  • Patent number: 10364370
    Abstract: Provided are a coating composition containing a silicon atom-containing resin and a defoaming agent, a coating film formed from the same, an in-water structure and a ship having the coating film. In the coating composition, the silicon atom-containing resin includes a constituent unit (A) derived from a monomer (a) having at least one kind of silicon atom-containing group selected from the group consisting of groups represented by the formula (I), the formula (II), the formula (III), and the formula (IV), the monomer (a) has a molecular weight of greater than or equal to 400 and less than or equal to 2500, and the content of the defoaming agent is greater than or equal to 0.7 parts by mass and less than or equal to 24 parts by mass with respect to 100 parts by mass of the silicon atom-containing resin.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: July 30, 2019
    Inventors: Yusuke Takao, Tomohiro Tsuji, Wataru Kitamura, Yasuhisa Nagase, Hirokazu Kaji
  • Patent number: 10358363
    Abstract: Novel fluorophores and their use as fluorescent tags for polymers used in wastewater treatment. The fluorophores are quaternary amine salts that can be used to synthesize fluorescent tagged polymers that are stable at varying pH, have significant water solubility, and may be fluorescent at wavelengths greater than 550 nm. The fluorophores readily undergo polymerization with vinylic monomers to form fluorescent tagged polymers with excellent incorporation of fluorophore into the polymer framework. The fluorescent tagged polymers are useful to monitor and optionally dose industrial wastewater.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: July 23, 2019
    Assignee: Ecolab USA Inc.
    Inventors: Tarun Kumar Bera, Deepak Jadhav, Kiran Phatangare, Trishul Artham, Jitendra Shah, Wesley Lamar Whipple, Winston Su, John David Morris, Paul Joseph Zinn
  • Patent number: 10358509
    Abstract: The present disclosure relates to a continuous process for the preparation of ethylene homopolymers or ethylene copolymers comprising polymerizing ethylene or copolymerizing ethylene and one or more other olefins in the presence of a chromium catalyst in a gas-phase polymerization reactor which is equipped with a cycle gas line for withdrawing reactor gas from the reactor, leading the reactor gas through a heat-exchanger for cooling and feeding the reactor gas back to the reactor, wherein the polymerization is carried out at a temperature from 30° C. to 130° C. and a pressure of from 0.1 to 10 MPa and an aliphatic carboxylic acid ester having from 8 to 24 carbon atoms is added.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: July 23, 2019
    Assignee: Basell Polyolefine GmbH
    Inventors: Volker Fraaije, Michael Lynch, Shahram Mihan, Gerhardus Meier, Ulf Schueller
  • Patent number: 10344103
    Abstract: The Zigler-Natta catalyst composition of the present disclosure provides uniform polyethylene having a molecular weight in the range from 1 million g/mol to 12 million g/mol. The Zigler-Natta catalyst composition of the present disclosure comprises external electron donor selected from the group consisting of substituted silanediyl diacetate, trialkyl borate and tetraalkoxysilane.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: July 9, 2019
    Assignee: Reliance Industries Limited
    Inventors: Virendrakumar Gupta, Hiren Manojkumar Bhajiwala, Sunil Dhamaniya, Amarjyoti Kalita, Ramesh Joshi
  • Patent number: 10344105
    Abstract: The present invention relates to a process for the (co)polymerization of olefins to make polyethylene (co)polymers having sporadic long chain branches in high molecular weight fractions and a high molecular weight tail along with reversed comonomer composition distribution for improving processability, melt strength and optical properties. Such polyethylene (co)polymers have been prepared with a process comprising the reaction of at least the following components: (a) an advanced Ziegler-Natta catalyst precursor comprising titanium; (b) an activator comprising organohalogenous aluminum compounds; (c) ethylene; and (d) one or more alpha-olefins.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: July 9, 2019
    Assignee: Formosa Plastics Corporation, USA
    Inventors: Zhiming Wang, Guangxue Xu, Chih-Jian Chen