Patents Examined by Nathan M. Nutter
  • Patent number: 10611905
    Abstract: An object is to provide a crosslinkable resin composition capable of forming a crosslinked product that has excellent hot water resistance and bending resistance. The present invention provides a resin composition containing an ethylene-vinyl alcohol copolymer (A), a flexible resin (B), and a crosslinking agent (C) having two or more polymerizable groups, with the crosslinking agent (C) in an amount of 0.5 to 10 parts by mass relative to a total 100 parts by mass of the ethylene-vinyl alcohol copolymer (A) and the flexible resin (B), the flexible resin (B) being a styrene thermoplastic elastomer or an ?-olefin polymer, and the resin composition having a mass ratio [(A)/(B)] between the ethylene-vinyl alcohol copolymer (A) and the flexible resin (B) of 90/10 to 65/35.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: April 7, 2020
    Assignee: KURARAY CO., LTD.
    Inventors: Kentaro Yoshida, Shinji Tai
  • Patent number: 10604647
    Abstract: A composition for making a cast, thermoformable sheet or slab, comprising: a syrup comprising: about 30-40% SSI—acrylic pre-polymerized syrup by weight at 20% solids; about 30-40% MMA—methyl methacrylate by weight; about 2-3% BA—Butyl acrylate by weight; about 1-15% by weight acrylic chips; and about 1-15% by weight rigid particles with a mean diameter of about 0.5-2000 ?m. The rigid particles may preferably comprise a polymeric material such as poly allyl diglycol carbonate particles. A method for producing a thermoformed article having a textured surface comprising mixing the syrup as above; swelling the acrylic chips; degassing the syrup; heating the syrup; casting the syrup into a sheet; and thermoforming the cast sheet against a mold.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: March 31, 2020
    Assignee: Aristech Surfaces LLC
    Inventors: Mark Gatman, Scott LaFollette, Neil Caldwell, Jeff Fields
  • Patent number: 10604643
    Abstract: The pipe articles with excellent stress crack resistance can be achieved by providing ethylene copolymer composition comprises ethylene and a C6-C10 ?-olefin comonomer; the ethylene copolymer having a total density of 0.945-0.980 g/cm3 and a MFR5 of 0.10-0.50 g/10 min; and the ethylene copolymer having a comonomer content of 1-5% wt. The ethylene copolymer has Mx/My in the range of not less than 14.0; gpcBR in the range of from 0.20 to 0.80; and strain hardening modulus <Gp> in the range of not less than 53.4.
    Type: Grant
    Filed: November 15, 2016
    Date of Patent: March 31, 2020
    Assignees: SCG Chemicals Co., Ltd., Mitsui Chemicals, Inc.
    Inventors: Natthaporn Suchao-in, Kenji Iwamasa, Eiji Shiba, Warachad Klomkamol, Patcharin Samphawamontri, Watcharee Cheevasrirungruang, Shinichi Kojoh, Yasunori Kaneko, Takashi Fukawa, Thipphaya Pathaweeisariyakul
  • Patent number: 10604603
    Abstract: The present invention provides a process for the preparation of a multimodal polyethylene comprising: (i) polymerizing ethylene and optionally an ?-olefin comonomer in a first polymerization stage to produce a first ethylene polymer; and (ii) polymerizing ethylene and optionally an ?-olefin comonomer, in the presence of said first ethylene polymer, in a second polymerization stage, wherein the first and second polymerization stages are carried out in the presence of an unsupported metallocene catalyst and each polymerization stage produces at least 5% wt of the multimodal polyethylene, and the multimodal polyethylene has a multimodal molecular weight distribution, a molecular weight of at least 50,000 g/mol and a bulk density of at least 250 g/dm3, and wherein a solution of the unsupported metallocene catalyst in a solvent is employed.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: March 31, 2020
    Assignee: NORNER VERDANDI AS
    Inventors: Tore Dreng, Morten Lundquist, Jarmo Lindroos
  • Patent number: 10604645
    Abstract: A process for the preparation of polyolefins carried out in the presence of an antistatic composition made from or containing: a) a compound of formula R—OH wherein R represents hydrogen or a linear or branched, saturated alkyl group having from 1 to 15 carbon atoms; and b) an oligomeric or polymeric organic compound having one or more terminal hydroxyl groups and a viscosity at 40° C. of at least about 20 mm2/sec (DIN 51562).
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: March 31, 2020
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Antonio Mazzucco, Gabriele Mei, Tiziana Caputo, Roberto Pantaleoni, Enrico Balestra, Maria Di Diego, Mara Destro, Riccardo Rinaldi
  • Patent number: 10604607
    Abstract: Fluoroelastomer compositions comprising fluoroelastomers having copolymerized units of a nitrile-containing cure site monomer are cured with certain hydrazone or oxime curatives.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: March 31, 2020
    Assignee: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Amiya Ratan Tripathy, Peter A. Morken, Christopher J. Bish
  • Patent number: 10597563
    Abstract: A laminate comprises a primary substrate and a secondary substrate mated with the primary substrate through contact with a hot melt adhesive. The hot melt adhesive comprises a polymer blend based on a low molecular weight semicrystalline propylene based polymer and a high molecular weight essentially amorphous propylene based polymer, both of which are prepared by using single-site catalysts. The composition further contains a compatible tackifier, a plasticizer, an antioxidant, and optionally a wax, a filler, a colorant, a UV absorber, another polymer, or combinations thereof. Particularly preferred applications include nonwoven disposable diaper and feminine sanitary napkin construction, diaper and adult incontinent brief elastic attachment, diaper and napkin core stabilization, diaper backsheet lamination, industrial filter material conversion, and surgical gown and surgical drape assemblies.
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: March 24, 2020
    Assignee: BOSTIK, INC.
    Inventors: Baoyu Wang, Kelley Gerschke, Terhi I. Hawkins, Charley Paul, Kimberly E. Secrist
  • Patent number: 10590270
    Abstract: A method for producing a polymer composition comprises the steps of providing a compatibilizing agent, providing a heterophasic polymer composition, providing a second polymer composition comprising recycled polymer; mixing the compatibilizing agent, the heterophasic polymer composition, and the second polymer composition, and generating free radicals in the heterophasic polymer composition and the second polymer composition. At least a portion of the compatibilizing agent is believed to react with the free radicals generated in the heterophasic polymer composition and the second polymer composition.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: March 17, 2020
    Assignee: Milliken & Company
    Inventors: Scott R. Trenor, Jason D. Sprinkle
  • Patent number: 10590290
    Abstract: This invention generally relates to a multi-stage polymer suitable for a grinding additive, a method for producing the multi-stage polymer, a composition and a paint composition comprising the multi-stage polymer and a use of the multi-stage polymer for a grinding additive of a paint composition.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: March 17, 2020
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Hu Li, Weijun Yang, Tao Wang, Xinhui Huang, Siyuan Jiang, Cheng Hui Chen
  • Patent number: 10590219
    Abstract: A retardation material-forming resin composition for providing an orientation material that has high photoreaction efficiency and with which a polymerizable crystal can be aligned in a highly sensitive manner. A retardation material-forming resin composition being thermally curable wherein including a resin (component (A)) having a photo-aligning group to which a thermally reactive moiety is bonded directly or connected via a linking group; an orientation material obtained by use of the composition, and a retardation material formed by use of a cured film obtained from the composition.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: March 17, 2020
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Shojiro Yukawa, Jun Ito, Kohei Goto, Yuta Kanno, Hiroyuki Omura, Tadashi Hatanaka
  • Patent number: 10577491
    Abstract: This disclosure relates to ethylene interpolymer compositions. Specifically, ethylene interpolymer products having: 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 disclosed ethylene interpolymer products have a melt index from about 0.3 to about 500 dg/minute, a density from about 0.869 to about 0.975 g/cm3, a polydispersity (Mw/Mn) from about 2 to about 25 and a CDBI50 from about 20% 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: June 18, 2018
    Date of Patent: March 3, 2020
    Assignee: NOVA Chemicals (International) S.A.
    Inventors: Maryam Fereydoon, Stephen Salomons, Shivendra Kumar Goyal, Kenneth Taylor, Tieqi Li
  • Patent number: 10577443
    Abstract: A thermoplastic elastomer composition contains components (A) to (D), wherein the content of the component (A), (B), (C) and (D) is, respectively, 26% by weight or more and 59% by weight or less, 2% by weight or more and 9% by weight or less, 16% by weight or more and 61% by weight or less and 11% by weight or more and 56% by weight or less, when the total amount of the components (A) to (D) is 100% by weight, and the ratio of the content of the component (C) to the content of the component (D) is over 1 and 5 or less.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: March 3, 2020
    Assignee: Sumitomo Chemical Company, Limited
    Inventor: Katsuya Kida
  • Patent number: 10570276
    Abstract: This disclosure relates to a novel type of high molecular weight polyethylene composition, and product made from said composition, with industrially useful properties, and the process of making said composition and product.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: February 25, 2020
    Assignee: DESGAGNÉ, BROWN ET ASSOCIÉS INC.
    Inventor: John P. Brown
  • Patent number: 10563055
    Abstract: This invention relates to carpet backing layer compositions including a blend of polyolefins (e.g., propylene-based elastomers) which have enhanced flexibility and good processability. Carpets including such backing layer compositions and methods of making such carpets are also provided.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: February 18, 2020
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Yanan Gong, Saifudin M. Abubakar, Lan Li
  • Patent number: 10562219
    Abstract: A method of forming a blown film comprising extruding a molten composition through a die opening to form a film; wherein the molten composition comprises at least one polyethylene and within the range from 0.10 wt % to 10 wt % of a cyclic-diene terpolymer by weight of the composition; causing the film to progress in a direction away from the die opening; cooling the film at a distance from the die opening, the distance adjusted to effect the properties of the film; and isolating a blown film therefrom.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: February 18, 2020
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Periagaram S. Ravishankar, Jianya Cheng, Adriana S. Silva, Wen Li, Abdelhadi Sahnoune, Arturo Leyva, Alexander I. Norman
  • Patent number: 10563027
    Abstract: A method of forming a finished film comprising extruding a molten polyethylene comprising a diene terpolymer modifier through a die opening to form a film, wherein the diene-terpolymer modifier is a terpolymer comprising ethylene-derived units, C3 to C10 ?-olefin derived units, and diene-derived units; causing the film to progress in a direction away from the die opening; cooling the film at a distance from the die opening, the distance adjusted to allow relaxation of the molten polyethylene prior to solidification and/or crystallization upon cooling; and isolating a finished film therefrom. Desirably, the polyethylene is a linear low density polyethylene, and the die and cooling is suitable for forming a blown film.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: February 18, 2020
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Jianya Cheng, Adriana S. Silva, Peijun Jiang, Wen Li, Alexander I. Norman
  • Patent number: 10563049
    Abstract: A nitrile rubber composition including a filler (B) in a content of 50 to 90 parts by weight and an adipic acid ester-based plasticizer and/or an ether ester-based plasticizer (C) in a content of 0 to 29.9 parts by weight in relation to 100 parts by weight of a nitrile group-containing highly saturated copolymer rubber (A) including an ?,?-ethylenically unsaturated nitrile monomer unit in an proportion of 14 wt % or more and less than 21 wt %, and having an iodine value of 120 or less.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: February 18, 2020
    Assignee: ZEON CORPORATION
    Inventor: Shinsuke Sugawara
  • Patent number: 10563053
    Abstract: Embodiments of polyethylene formulations comprise a partially cross-linked multimodal polyethylene composition having a the first molecular weight ethylene-based polymer component and a second molecular weight ethylene-based polymer component, wherein the partially cross-linked multimodal polyethylene composition comprises a density from 0.930 g/cc to 0.943 g/cc measured according to ASTM D792, a melt index (I2) from 0.01 g/10 min to 5 g/10 min, when measured according to ASTM D1238 at 190° C. and a 2.16 kg load, a molecular weight distribution (MWD) from 5 to 10, wherein MWD is defined as Mw/Mn with Mw being a weight average molecular weight and Mn being a number average molecular weight, and a complex viscosity ratio from 250 to 450, wherein the complex viscosity ratio is defined as the complex viscosity at a shear rate of 0.01 rad/s divided by the complex viscosity at a shear rate of at a shear rate of 100 rad/s.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: February 18, 2020
    Assignees: Dow Quimica De Colombia S.A., Dow Quimica Mexicana S.A. Dec.V.
    Inventors: Patricia Perdiz Fernandez, Miguel A. Molano Niampira
  • Patent number: 10557027
    Abstract: The present invention is directed to a heterophasic propylene copolymer (HECO), a polyolefin composition (PO) comprising the heterophasic propylene copolymer (HECO), an automotive article comprising the heterophasic propylene copolymer (HECO) and/or the polyolefin composition (PO) and a process for the preparation of the polyolefin composition (PO) as well as the use of the heterophasic propylene copolymer (HECO) for improving the mechanical properties of a polyolefin composition (PO).
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: February 11, 2020
    Assignee: Borealis AG
    Inventors: Georg Grestenberger, Martina Sandholzer
  • Patent number: 10557031
    Abstract: A composition includes an amorphous fluoropolymer having at least one of: a segment represented by formula I: —CF(Rf)—(CX2)n—(CX2CXR)m—O—R?fOk—(CXR?CX2)p—(CX2)q—CF(R?f)— (I); or a terminal segment represented by formula III: Rf—CF(I)—(CX2)n—(CX2CXR)m—O—R?fOk—(CXR?CX2)p—(CX2)q—CF(R?f)— (III), and fluoroplastic particles having a mean particle size of less than 500 nanometers. Each X is independently F, H, or Cl; Rf and R?f are each independently F or a monovalent perfluoroalkyl having 1 to 3 carbon atoms; R is F or a partially fluorinated or perfluorinated alkyl having 1 to 3 carbon atoms; R?f is a divalent fluoroalkylene having 1 to 8 carbon atoms or a divalent fluorinated alkylene ether having 1 to 20 carbon atoms and at least one ether linkage; k is 0 or 1; and n, m, p, and q are each independently an integer from 0 to 5, with the proviso that when k is 0, n+m is at least 1 and p+q is at least 1. A method of making the composition is also provided.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: February 11, 2020
    Assignee: 3M Innovative Properties Company
    Inventors: Tamon Aoki, Allen M. Sohlo, Yuta Suzuki, Kai H. Lochhaas, Florian D. Jochum, Klaus Hintzer, Tilman C. Zipplies