Patents Examined by Nathan M. Nutter
  • Patent number: 10385199
    Abstract: Polyolefin compositions made from or containing: (A) about 5 to about 35% by weight of a propylene-based polymer containing about 90% by weight or more of propylene units and containing about 10% by weight or less of a fraction soluble in xylene at 25° C. (XSA); (B) about 25 to about 50% by weight, of a copolymer of ethylene and a C3-C8 alpha-olefin containing from about 0.1% to about 15% by weight of alpha-olefin units and containing about 75% by weight or less of a fraction soluble in xylene at 25° C. (XSB); and (C) about 30 to about 60% by weight, of a copolymer of ethylene and propylene containing from about 45% to about 75% by weight of ethylene units and containing from about 55% to about 95% by weight, of a fraction soluble in xylene at 25° C. (XSC).
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: August 20, 2019
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Claudio Cavalieri, Michele Grazzi, Roberto Pantaleoni
  • Patent number: 10385197
    Abstract: The present invention relates to a polymer blend and the film of the polymer blend or the film layers of the polymer blend as a surface layer or coating. More particularly, the invention relates to a polymer blend which may be extruded as such or extruded onto one or both sides of packaging film to give a sealing surface(s) which exhibits surprisingly heat sealability suitable for form-fill-and-seal-packaging. The present invention also relates the use of ethylene based plastomer to reduce sealability of films comprising polypropylene.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: August 20, 2019
    Assignee: BOREALIS AG
    Inventors: Johan Defoer, Willem De Wever, Sara Croonen
  • Patent number: 10385196
    Abstract: The patent application discloses a polypropylene-plastomer-blend comprising ethylene-based plastomer, which—after conversion into final articles and exposing to surface modification like corona treatment, shows improved dyne retention behavior and improved dyne retention ratio over time. Further disclosed are final articles and a process how to provide compositions and final articles having improved dyne retention behavior.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: August 20, 2019
    Assignee: BOREALIS AG
    Inventors: Johan Defoer, Willem De Wever, Sara Croonen
  • Patent number: 10385194
    Abstract: The present invention relates to a polymer composition, to the use of the polymer composition in film applications and to a film comprising the polymer composition of the invention.
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: August 20, 2019
    Assignee: BOREALIS AG
    Inventors: Jarmo Kela, Peter Niedersuss, Jari Aarila, Markku Vahteri, Floran Prades, John Jamieson, Willem De Wever
  • Patent number: 10377892
    Abstract: A thermoplastic resin composition includes: about 100 parts by weight of a base resin including about 14 wt % to about 25 wt % of (A) a (meth)acrylate-aromatic vinyl-vinyl cyanide copolymer and about 75 wt % to about 86 wt % of (B) a (meth)acrylate resin; and about 25 parts by weight to about 35 parts by weight of (C) an antistatic resin including at least one of a polyether-ester amide block copolymer, a poly(alkylene) glycol and a polyamide, relative to about 100 parts by weight of the base resin.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: August 13, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventor: Hyun Ji Oh
  • Patent number: 10377886
    Abstract: A polyethylene for a pipe and a joint of the present invention satisfies the following characteristics (1) to (5): Characteristic (1): a melt flow rate at a temperature of 190° C. and a load of 21.6 kg (HLMFR) is 5 to 20 g/10 minutes, Characteristic (2): a density (D) is 0.954 to 0.960 g/cm3, Characteristic (3): a ratio of weight-average molecular weight (Mw) and number-average molecular weight (Mn) (Mw/Mn) measured by gel permeation chromatography (GPC) is 15 to 27, Characteristic (4): a rupture time at 80° C. and 5 MPa by a full notch creep test (FNCT) is 150 hours or more, and Characteristic (5): a Charpy impact strength (CIS) measured at ?20° C. is 8.5 kJ/m2 or more.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: August 13, 2019
    Assignee: Japan Polyethylene Corporation
    Inventors: Tomomi Hiramoto, Tetsurou Fukuda
  • Patent number: 10370527
    Abstract: A polyethylene composition suitable for use in a living hinge component, the composition comprising a first ethylene-based polymer component, the first ethylene-based polymer component has a density of from 0.91.5 g/cc to less than 0.940 g/cc. and a melt index, I2.16, of less than 5 g/10 min. and a second ethylene-based polymer component, wherein the composition has an overall density of from 0.945 g/cc to 0.960 g/cc and an overall melt index, I2.16, of from 5 g/10 min to 20 g/10 min.
    Type: Grant
    Filed: November 5, 2015
    Date of Patent: August 6, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Stephanie M. Whited, Mridula Babli Kapur, Yijian Lin
  • Patent number: 10364301
    Abstract: The present invention provides: a modified isobutylene-isoprene rubber including a structural unit of Chemical Formula I, a production method for the same, and a cured material formed by thermally curing the same (in Chemical Formula I, X is an alkyl group including at least two carboxyl groups). The modified isobutylene-isoprene rubber exhibits excellent characteristics in terms of adhesive properties, flexibility, water vapor transmission resistance and transparency.
    Type: Grant
    Filed: January 15, 2016
    Date of Patent: July 30, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Kwang-Su Seo, Jang-Soon Kim
  • Patent number: 10364308
    Abstract: This invention relates to a thermoplastic polyolefin composition with (a) a polypropylene having a melting point of greater than 130° C. and a melt flow rate from 10 to 80 g/10 min; (b) an ethylene-propylene copolymer with 40 wt % to 80 wt % ethylene derived units and a Mooney Viscosity (1+4, 125° C.) of greater than 20 Mooney units, a Mw/Mn of from 1.8 to 4.0, and a weight average molecular weight of 50,000 to 300,000 g/mole; and (c) a propylene-based elastomer having 5 wt % to 25 wt % ethylene derived units and having a melting point of less than 110° C. and a Mw/Mn from 2.0 to 4.0; wherein the room temperature notch impact of the thermoplastic polyolefin composition is at least four times greater than the room temperature notch impact of a composition without the propylene-based elastomer.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: July 30, 2019
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Xin Chen, Sudhin Datta
  • Patent number: 10364377
    Abstract: The present invention is related to adhesive composition, having a polymer blend comprising a first propylene-based polymer, wherein the first propylene-based polymer is a homopolymer of propylene or a copolymer of propylene and ethylene or a C4 to C10 alpha-olefin, and a second propylene-based polymer, wherein the second propylene-based polymer is a homopolymer of propylene or a copolymer of propylene and ethylene or a C4 to C10 alpha-olefin; wherein the second propylene-based polymer is different than the first propylene-based polymer; wherein the polymer blend has a melt viscosity, measured at 190° C. and determined according to ASTM D-3236, of about 1,000 cP to about 5,000 cP; a propylene polymer; and wherein the adhesive composition is substantially free of a functionalized polyolefin, wherein the functionalized polyolefin is selected from at least one of a maleic anhydride-modified polypropylene and a maleic anhydride-modified polypropylene wax.
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: July 30, 2019
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Jan Kalfus, Jurgen J. Schroeyers, Jennifer J. Austin, James N. Coffey, Jean-Roch Schauder
  • Patent number: 10358546
    Abstract: Polymer composition comprising at least one polypropylene homopolymer and/or random copolymer, up to 15 wt % of at least one polyethylene, optionally at least one elastomer in an amount of 8 to 40 wt % and optionally fillers and/or additives in an amount of up to 45 wt % based on the total weight of the final polymer composition with the at least one polyethylene having a density of higher than 940 kg/m3, a content of hexane hot extractables of below 0.80 wt % preferably below 0.60 wt %, most preferably below 0.40 wt % and a copolymer/homopolymer (COHO) ratio measured by Temperature Rising Elution Fraction (TREF) up to 6%.
    Type: Grant
    Filed: July 27, 2016
    Date of Patent: July 23, 2019
    Assignee: Borealis AG
    Inventors: Jingbo Wang, Claudia Kniesel, Petar Doshev, Floran Prades
  • Patent number: 10350871
    Abstract: A method for providing a film laminate comprising a substrate and a polymer film, and suitable for forming a part of a laminated packaging material is provided. The method comprises forwarding a web of the substrate to pass through a lamination nip. The method further comprises casting the polymer film by applying a molten polymer material onto a cooling roller to at least partially solidify the molten polymer material to form the polymer film. Furthermore, the method comprises directly forwarding the polymer film to pass through the lamination nip, thereby laminating the polymer film onto the web of the substrate.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: July 16, 2019
    Assignee: TETRA LAVAL HOLDINGS & FINANCE S.A.
    Inventors: Fredrik Persson, Per Engvall
  • Patent number: 10351749
    Abstract: A composition composed of a crosslinked interpolymer elastomer and thermally conductive filler dispersed within an elastomeric matrix, thermally conductive articles made from the composition, and methods of producing the composition and articles.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: July 16, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Yunfeng Yang, Hongyu Chen, Tao Han
  • Patent number: 10344153
    Abstract: The invention relates to a polypropylene composition comprising a crystalline propylene random copolymer and an amorphous propylene copolymer having improved hot-tack force and adhesion properties, to a process for the manufacture thereof, to the use thereof in the manufacture of adhesives and hot tack films and to articles comprising the polypropylene composition, as well as to a process for producing such article.
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: July 9, 2019
    Assignee: Borealis AG
    Inventors: Jingbo Wang, Carl-Gustaf Ek, Anil Sönmez, Klaus Bernreitner, Markus Gahleitner
  • Patent number: 10336895
    Abstract: A rubber blend composition having improved freezing resistance, may include about 20 wt % to about 50 wt % of a fluorocarbon rubber having a radicalized end group on a fluoroalkylene backbone; and about 50 wt % to about 80 wt % of a synthetic rubber.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: July 2, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventor: Jong Min Park
  • Patent number: 10329413
    Abstract: A vinyl chloride resin composition includes 100 parts by weight of a vinyl chloride resin (A) and 0.1 to 20 parts by weight of a processing aid (B), wherein the processing aid (B) includes 50 to 95% by weight of a first polymer (b1) and 5 to 50% by weight of a second polymer (b2) and has a weight average molecular weight of 100,000 to 4,000,000. The first polymer (b1) has Tg of 5 to 110° C. and is polymerized with 12 to 28 w % of a vinyl cyanide compound, 32 to 88 w % of an aromatic vinyl compound, 0 to 40 w % of an alkyl acrylate, and 0 to 30 w % of other vinyl compound copolymerizable with the vinyl cyanide compound, the aromatic vinyl compound, and the alkyl acrylate, per 100 w % of the first polymer (b1).
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: June 25, 2019
    Assignee: KANEKA CORPORATION
    Inventor: Kenji Takamizu
  • Patent number: 10331054
    Abstract: The present invention provides an electrophotographic member which has a high ability to impart charge to toners while the charge imparting ability is unlikely to be reduced even under an environment at high temperature and high humidity. The electrophotographic member comprises a substrate, an elastic layer formed on the substrate, an intermediate layer covering the surface of the elastic layer, and a surface layer covering the surface of the intermediate layer, wherein the intermediate layer contains a binder resin and a polymer having a specific structure, the surface layer contains silicon oxide, and the surface layer has a thickness of 10 nm or more and 300 nm or less.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: June 25, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Shohei Urushihara, Masaki Yamada, Takashi Koyanagi, Hideya Arimura
  • Patent number: 10323106
    Abstract: This invention relates to a process for forming a long-chain branched polymer and a long-chain branched polymer resulting from the process. The process comprises reacting (a) a polyolefin base polymer with (b) a coupling agent comprising a polymeric coupling agent, optionally blended with a molecular coupling agent, the polymeric coupling agent being a modified polyolefin having a reactive coupling group at one or more terminal ends of the modified polyolefin chain, to couple the polyolefin base polymer (a) with the coupling agent (b) to form a long-chain branched polymer having a long-chain branching and/or higher surface energy relative to the polyolefin base polymer.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: June 18, 2019
    Assignee: BRASKEM AMERICA, INC.
    Inventor: Jonas Alves Fernandes
  • Patent number: 10316127
    Abstract: The present invention relates to a multistage polymer, its composition, its process of preparation, and its use as impact modifier in thermoplastic compositions. More particularly the present invention relates to a process for manufacturing a polymer composition comprising a multistage polymer and its use as impact modifier in thermoplastic compositions.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: June 11, 2019
    Assignee: Arkema France
    Inventors: Christophe Navarro, Aline O. Couffin, Rosangela Pirri, Frederic Malet
  • Patent number: 10308791
    Abstract: The present invention relates to a thermally curable composition comprising: (a1) a solid rubber in an amount of 2.5% by mass or more, (a2) an olefinic double bond-containing polymer which is liquid or pasty at 22° C. in an amount of less than 5% by mass, (a3) a hydrocarbon resin in an amount of, in total with said component (a2), 5% by mass or more and 20% by mass or less, and (a4) a liquid polydiene in an amount of 15% by mass or more based on the total mass of the composition as a component (a); and at least one selected from the group consisting of the following (b1) to (b3): (b1) sulfur and one or more accelerator(s), (b2) peroxidic vulcanization system or disulfidic vulcanization system, and (b3) quinones, quinone dioximes or dinitrosobenzene, as a vulcanization system (b).
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: June 4, 2019
    Assignee: Henkel AG & Co. KGaA
    Inventors: Makoto Ohkubo, Shingo Tsuno, Takao Tsukimori