Patents Examined by Jeffrey S Lenihan
  • Patent number: 11898030
    Abstract: Elastomeric styrenic block copolymer (SBC) compositions comprise one or more SBCs and one or more polymers miscible with styrenic end blocks of the one or more SBCs, the block copolymer compositions being both both physically and chemically crosslinked, where the chemical crosslinking comprises covalent bonds between chains of SBC and the physical crosslinking comprises non-covalent interaction between styrenic end blocks of the one or more SBCs and the one or more polymers miscible with the styrenic end blocks. The block copolymer compositions are useful in forming immersion articles such as surgical gloves.
    Type: Grant
    Filed: May 28, 2018
    Date of Patent: February 13, 2024
    Assignee: TOP GLOVE GLOBAL SDN BHD
    Inventors: Sebastien Treilhes, Pierre Hoerner, Chin Guan Low
  • Patent number: 11871745
    Abstract: Bacteria repellant polymer composite having a reduced yellowness index prepared by melt processing a base polymer an epoxy resin and a bacteria repellant agent and methods of preparation thereof.
    Type: Grant
    Filed: March 8, 2021
    Date of Patent: January 16, 2024
    Assignee: Ka Shui Plastic Technology Co. Ltd.
    Inventors: You Wu, Hoi-Kuan Kong, Yan-Hua Zhao, Ho-Man Au, Wai-Chung Peter Wong, Cheuk-Nang Daniel Sung, Yuen-Fat Lee
  • Patent number: 11845825
    Abstract: A method for manufacturing a rubber-reinforced styrenic resin powder comprising 40% by mass or more of a rubbery polymer, satisfying the following conditions (1) to (4): (1) at least first and second coagulation baths are provided; (2) the first and second coagulation baths are connected; (3) an emulsified dispersion of fatty acid amide is supplied to the connecting part in an amount of 0.2 parts by mass to 2.0 parts by mass (solid content) with respect to 100 parts by mass (solid content) of a slurry; and (4) a temperature in the second coagulation bath is equal to or higher than a temperature in the first coagulation bath.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: December 19, 2023
    Assignee: NIPPON A&L INC.
    Inventor: Takashi Saito
  • Patent number: 11833233
    Abstract: Alkali-swellable rheology modifier comprising a core-shell polymer comprising a core polymer and a shell comprising at least one shell copolymer layer at least partially cross-linked and containing a mole percent of crosslinking agent greater than the mole percent of crosslinking agent in the core polymer, provided if the mole percent of crosslinking agent in the core polymer is zero, then either the core polymer is greater than 60 wt % of the core-shell polymer; the core polymer comprises at least one associative monomer; at least one shell copolymer layer copolymer comprises at least one associative monomer; and/or the at least one shell copolymer layer that is at least partially cross-linked comprises greater than 3 mole % crosslinking agent.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: December 5, 2023
    Assignee: NOURYON CHEMICALS INTERNATIONAL B.V.
    Inventors: Matthew Michael Vanderhoof, Klin Aloysius Rodrigues, Sajal Pantha, Andrew James Bailey
  • Patent number: 11827774
    Abstract: The invention provides a polymer composition comprising a low density polyethylene (LDPE); polypropylene (PP) and a compatibiliser. The invention also relates to cables comprising said polymer composition and the use of the polymer composition in the manufacture of an insulation layer of cable.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: November 28, 2023
    Assignee: BOREALIS AG
    Inventors: Per-Ola Hagstrand, Thomas Gkourmpis
  • Patent number: 11820849
    Abstract: The present invention relates to a method of preparing an ABS graft copolymer and a method of preparing a thermoplastic resin composition including the ABS graft copolymer. More specifically, the present invention relates to a method of preparing an ABS graft copolymer, in which a predetermined amount of a vinyl aromatic compound and a predetermined amount of a vinyl cyanide compound are grafted to a small-diameter rubber latex before enlarging particle size of the small-diameter rubber latex is performed, and then enlarging particle size of the small-diameter rubber latex is performed by adding a certain amount of a polymer coagulant, and to a method of preparing a thermoplastic resin composition including the ABS graft copolymer. According to the present invention, latex stability may be improved, and an ABS graft copolymer having excellent impact resistance may be prepared.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: November 21, 2023
    Assignee: LG Chem, Ltd.
    Inventors: Heejung Jeon, Geon Soo Kim, Changhoe Kim, Hyung Joon Kim, Minsu Chae
  • Patent number: 11814509
    Abstract: New polypropylene composition, which combines low sealing initiation temperature (SIT), high hot-tack and good optical properties, like low haze, the use of such polypropylene composition and articles made therefrom.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: November 14, 2023
    Assignee: BOREALIS AG
    Inventors: Markus Gahleitner, Jingbo Wang, Friedrich Berger, Jani Aho
  • Patent number: 11814479
    Abstract: A composition includes particular amounts a poly(phenylene ether), a first polyamide, hydrogenated block copolymer of an alkenyl aromatic and a conjugated diene, pentaerythritol tetrastearate, and bisphenoxyethanol fluorene. The composition can be particularly well-suited for use in a reinforced thermoplastic composition including a reinforcing carbon filler.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: November 14, 2023
    Assignee: SHPP Global Technologies B.V.
    Inventors: Yi Li, Kayoko Onda
  • Patent number: 11795257
    Abstract: The present invention relates to a precursor material for an insulation composition, comprising: a crosslinkable graft polymer comprising a polyolefin component and a polyene component; and an antioxidant. The present invention also relates to an insulation composition obtained from the precursor material.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: October 24, 2023
    Assignee: SI Group, Inc.
    Inventors: Denis Louis Emile Labbe, Christopher John Rider, Warren J. Ebenezer, Jonathan Hill
  • Patent number: 11787925
    Abstract: A composition comprising polypropylene having a high melt strength suitable for an injection stretch blow molding (ISBM) process is provided. Such a composition includes a polypropylene (PP) copolymer having a branched structure. The PP copolymer is a random copolymer derived from propylene and at least one comonomer selected from ethylene, any C4-C8 alpha-olefin, or any combinations thereof. The composition has a melt flow index in a range of from 8 g/10 minutes to 30 g/10 minutes. A resulting fabricated article, a method of making the composition, and a method of using the composition are also provided.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: October 17, 2023
    Assignee: BRASKEM AMERICA, INC.
    Inventors: Kevin Herrington, Kimberly Miller McLoughlin
  • Patent number: 11781003
    Abstract: A fluororesin including a vinylidene fluoride unit and a tetrafluoroethylene unit. The fluororesin has a gas chromatography-mass spectrometry total ion chromatogram including a peak which is assigned to a component having a molecular weight of 202 to 903 and which has a peak intensity of 1000 or lower. Also disclosed is a molded article formed from the fluororesin.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: October 10, 2023
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Yuuki Kuwajima, Hayato Tsuda, Kazuki Hosoda
  • Patent number: 11781001
    Abstract: A propylene polymer composition comprising a propylene polymer and an ethylene-?-olefin copolymer (provided that the ethylene-?-olefin copolymer is not the propylene polymer), the propylene polymer composition satisfying requirement (I): Requirement (I) an absolute value of a difference between a die swell ratio at a shear rate of 24 sec?1 and a die swell ratio at a shear rate of 6,080 sec?1 is 0.29 or less. One embodiment of the present invention is a propylene polymer composition which additionally satisfies the requirement (II). Requirement (II): The ethylene triad chains (EEE) in an ortho-dichlorobenzene-insoluble fraction are 2.0 mol % or more.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: October 10, 2023
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yu Higuchi, Masahiro Yanagisawa
  • Patent number: 11767419
    Abstract: A melt blended composition comprising, in weight percent (wt %) based upon the weight of the composition: (A) 55 to 94.99 wt % of a thermoplastic polymer, (B) 5 to 44.99 wt % of a moisture curable polymer, and (C) 0.01 to 5 wt % of a moisture condensation catalyst exhibits enhanced rheological and mechanical properties as compared to a composition alike in all aspects save for the presence of a moisture curable polymer.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: September 26, 2023
    Assignee: Dow Global Technologies, LLC
    Inventors: Saswati Pujari, Manish Talreja, Mohamed Esseghir
  • Patent number: 11767388
    Abstract: The compatibility between silica fillers and synthetic rubbers which are synthesized utilizing lanthanide-based catalyst systems, such as neodymium catalyst systems can be improved by terminating the polymerization with a vinyl silane terminating agent. In doing so the vinyl silane is allowed to react with the polymer chain ends of the neodymium rubber to functionalize the chain ends of the polymer chains with silicon containing groups. This results in the rubber having better characteristics for utilization in tire rubber formulations, such a tire tread formulations, that exhibit improved wear characteristics and lower rolling resistance. The process for the synthesis of such functionalized polydiene rubber comprises (1) polymerizing a diene monomer in the presence of a lanthanide-based catalyst system, and (2) terminating the polymerization with a vinyl silane terminator.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: September 26, 2023
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Seth Cody Ensign, Margaret Flook Vielhaber, Jena Lynn Johngrass, Liqing Ma
  • Patent number: 11760869
    Abstract: Disclosed is a linear low-density polyethylene grafted with maleic anhydride (MAH-g-LLDPE). The MAH-g-LLDPE has a unique combination of properties including a low density and a high melt index.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: September 19, 2023
    Assignee: Westlake Longview Corporation
    Inventors: John H. Brindle, Jr., Richard K. Stuart, Jr., James H. Scott, David B. Conner, Kevin J. Taylor, Scott T. Trochim
  • Patent number: 11760820
    Abstract: The invention pertains to novel fluorinated thermoplastic elastomers, including PCTFE-like plastomeric blocks, contributing substantially to the improvement of sealing performances upon increasing temperature of the fluorinated thermoplastic elastomers comprising the same.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: September 19, 2023
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Serena Carella, Giulio Brinati
  • Patent number: 11746195
    Abstract: The present disclosure provides a process including providing a polyolefin aqueous dispersion having (50) to (90) wt % solids content of dispersion, the polyolefin aqueous dispersion containing solid particles containing a polyolefin including an ethylene-based polymer having a melting temperature from greater than (115)° C. to (140)° C., polyolefin wax, acrylic dispersant; and an aqueous phase including excess acrylic dispersant; adding diluting water to form a diluted polyolefin aqueous dispersion having (5) to less than (50) wt % solids content; collecting the solid particles; washing the solid particles with a washing agent to remove the excess acrylic dispersant; and removing the washing agent to form a powder having a mean volume average particle size from (10) to (300) ?m, a sphericity from (0.92) to (1.0), a particle size distribution from (1) to less than (2), a particle density from (98)% to (100)%, and a flow rate in a large funnel from (1) to (5) seconds.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: September 5, 2023
    Inventors: Craig F. Gorin, Sanjib Biswas, Yi Fan, Thomas L. Tomczak, Daniel L. Dermody, Harpreet Singh
  • Patent number: 11746223
    Abstract: The invention relates to a process for producing a polypropylene composition by sequential polymerization the polypropylene composition having an improved balanced combination of high flowability, high stiffness and impact, and high level of optical properties.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: September 5, 2023
    Assignee: BOREALIS AG
    Inventors: Jingbo Wang, Markus Gahleitner, Elisabeth Potter, Jani Aho, Klaus Bernreitner, Luc Monnissen, Meta Cigon
  • Patent number: 11746220
    Abstract: Compositions may include a polymer melt blend composition prepared from two polyethylene copolymers having different densities, wherein the polymer melt blend composition possesses improved flowability and impact resistance for low thickness rotomolding applications. Low thickness articles may include a polymer melt blend composition prepared from two polyethylene copolymers having different densities, wherein the articles possess improved finishing properties. Rotomolding processes may include melt blending from two polyethylene copolymers having different densities, pulverizing the melt blend, and rotational molding the composition thereof.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: September 5, 2023
    Assignee: Braskem S.A.
    Inventor: Eliomar Ricardo Pimenta
  • Patent number: 11746248
    Abstract: In accordance with the invention, a textile cord coat composition for a tire comprises from 70 to 90 phr cis 1,4-polyisoprene rubber, from 10 to 30 phr styrene butadiene rubber, from 25 to 45 phr carbon black, the latter comprising between 1 and 6 phr high surface area carbon black having a BET surface area of more than 700 m2/g. Moreover, the invention is directed to a textile reinforced ply and a tire comprising such a textile cord coat composition.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: September 5, 2023
    Assignee: THE GOODYEAR TIRE & RUBBER COMPANY
    Inventors: Adrian Osvaldo Balaguer Pino, Julia Martine Francoise Claudine Tahon