Patents Assigned to Borealis AG
  • Patent number: 11827777
    Abstract: The present invention is directed to a polypropylene composition (P) comprising a first random propylene copolymer (A) and a second random propylene copolymer (B), said first random propylene copolymer (A) and said second random propylene copolymer (B) being copolymers of propylene and 1-hexene. Further, the present invention is directed to a blown film comprising said polypropylene composition (P).
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: November 28, 2023
    Assignee: Borealis AG
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Peter Niedersüss
  • 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: 11827758
    Abstract: The present invention is directed to an article comprising a fiber reinforced composition (C), said composition comprising a propylene polymer (PP), an elastomeric ethylene copolymer (E) and fibers (F).
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: November 28, 2023
    Assignee: Borealis AG
    Inventors: Michael Jerabek, Wolfgang Stockreiter, Thomas Lummerstorfer
  • Patent number: 11827733
    Abstract: The present invention relates to a process for producing solid Ziegler-Natta catalyst component in the form of solid particles having a median particle size (D50vol) of 5 to 500 ?m the process comprising steps I. providing a solution of a mixture of Group 2 metal compounds of i) a solution of a Group 2 metal dihalide and ii) at least one Group 2 metal alkoxide of the Periodic Table (IUPAC, Nomenclature of Inorganic Chemistry, 2005) II. contacting the solution of the mixture of Group 2 metal compounds of step I with a compound in a liquid form of a transition metal of Group 4 to 10, or of a lanthanide or actinide, preferably a transition metal of Group 4 to 6 of Periodic Table (IUPAC, Nomenclature of Inorganic Chemistry, 2005), and III.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: November 28, 2023
    Assignee: BOREALIS AG
    Inventors: Timo Leinonen, Peter Denifl, Alexander Reznichenko, Frank Schröder
  • 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: 11807655
    Abstract: Claimed are metallocene-complexes of formula (I) [formula (I?)] wherein M is Hf or Zr, L is a bridge comprising 1-2 C- or Si-atoms, The other variables are as defined in the claims.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: November 7, 2023
    Assignee: BOREALIS AG
    Inventors: Wilfried Toeltsch, Simon Schwarzenberger, Ismo Lehtiniemi, Luigi Resconi, Ville Virkkunen, Noureddine Ajellal, Vyatcheslav V. Izmer, Dmitry S. Kononovich, Alexander Z. Voskoboynikov
  • Publication number: 20230340240
    Abstract: The present invention relates to a polyethylene composition comprising a base resin which comprises a first ethylene homo- or copolymer fraction (A) having a melt flow rate MFR2 from 1 to 150 g/10 min, preferably from 5 to 100 g/10 min, and a second ethylene copolymer fraction (B) having a content of units derived from a comonomer from 0.30 to 1.00 mol %, preferably of from 0.40 to 0.85 mol % and more preferably of from 0.45 to 0.70 mol %, wherein fraction (A) has a lower molecular weight than fraction (B) and wherein fraction (B) is present in an amount of from 45 to 70 wt. %, preferably 47 to 67 wt. %, more preferably 49 to 65 wt. %, even more preferably 50 to 62 wt. % based on the total weight of the base resin; and wherein the polyethylene composition has a melt flow rate MFR5 from 0.10 to 0.35 g/10 min, preferably from 0.10 to 0.25 g/10 min and a strain hardening modulus from 50 to 150 MPa.
    Type: Application
    Filed: July 7, 2021
    Publication date: October 26, 2023
    Applicant: Borealis AG
    Inventors: Andrey Buryak, Victor Sumerin, Anna Maria Hartl
  • Patent number: 11783960
    Abstract: The invention relates to power cable polymer composition which comprises a thermoplastic polyethylene having a chlorine content which is less than X, wherein X is 10 ppm, a power cable, for example, a high voltage direct current (HV DC), a power cable polymer insulation, use of a polymer composition for producing a layer of a power cable, and a process for producing a power cable.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: October 10, 2023
    Assignee: BOREALIS AG
    Inventors: Villgot Englund, Per-Ola Hagstrand, Virginie Eriksson, Annika Smedberg
  • Patent number: 11760067
    Abstract: The present invention relates to a multilayer element (LE), the use of the multilayer element (LE) for producing an article, an article comprising multilayer element (LE), a layer element of at least two layers, the use of the polymer composition of the invention to produce a multilayer element, as well as to a process for producing the multilayer element (LE) and an article thereof.
    Type: Grant
    Filed: January 18, 2018
    Date of Patent: September 19, 2023
    Assignee: Borealis AG
    Inventors: Anh Tuan Tran, Jeroen Oderkerk, Francis Costa, Leonardus Welzen, Udo Wahner, Denis Yalalov, Qizheng Dou
  • Patent number: 11756700
    Abstract: A crosslinkable and crosslinked polymer composition containing a low density polyethylene (LDPE) homopolymer or low density polyethylene (LDPE) copolymer has excellent direct current (DC) electrical properties. The crosslinked polymer composition has an electrical conductivity of 150 fS/m or less, when measured at 70° C. and a 30 kV/mm mean electric field from a non-degassed, 1 mm thick plaque sample of the crosslinked polymer composition when measured according to a direct current (DC) conductivity method. A cable can be surrounded by at least one layer of the polymer composition.
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: September 12, 2023
    Assignee: Borealis AG
    Inventors: Ulf Nilsson, Annika Smedberg, Alfred Campus
  • Patent number: 11753486
    Abstract: The present invention relates to a process for producing of solid particulate olefin polymerisation catalyst or catalyst carrier comprising forming a solution of the catalyst or a catalyst carrier in a solvent, subjecting the solution into an atomization by spraying the solution via a capillary vibrating spray nozzle with a capillary orifice having a diameter of 5 to 100 ?m generating a laminar jet of liquid, which disintegrates into liquid droplets entering into the spray-dryer, transforming the droplets with aid of a gas to solid particulate catalyst or carrier in the spray-dryer and recovering the solid particulate olefin polymerisation catalyst or carrier having particle size distribution defined by a volumetric SPAN of 0.7 or less. The invention further relates to the catalyst produced by the methods, and use thereof in olefin polymerisation process.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: September 12, 2023
    Assignee: BOREALIS AG
    Inventors: Alexander Reznichenko, Jari-Jussi Ruskeeniemi, Joseph Thorman, Xiao Dong Chen, Victor Sumerin
  • Patent number: 11752743
    Abstract: Multilayer film comprising at least a skin layer, a core layer and an inner layer, whereby the inner layer comprises a single site catalyst derived (SSC) random propylene ethylene copolymer having—a melting temperature (Tm) from 120° C. to 144° C., —a content of units derived from ethylene in an amount of 1.5 to 6.0 wt.-%, —the melting temperature (Tm) fulfilling the following equation Tm<156° C.?[5.2×C2 content in wt.-%]° C. wherein C2 content stands for the content of units derived from ethylene; and —a xylene cold soluble content (ISO 16152, 1st ED, 2005 Jul. 1; 25° C.) of preferably below 30 wt.-% wherein the multilayer film is free of phthalic acid esters as well as decomposition products thereof.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: September 12, 2023
    Assignee: BOREALIS AG
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Manfred Gruenberger
  • Patent number: 11746224
    Abstract: The present invention is directed to a heterophasic polypropylene composition with improved sterilization resistance and optical properties for blow molding applications, in particular for use in the blow-fill-seal process for preparing bottles. The present invention is further directed to a process for producing such a polypropylene composition using a single-site catalyst and to a container produced from such a polypropylene composition by blow molding, like a bottle, in particular a blow-fill-seal bottle, with improved haze before and after sterilization. The polypropylene composition comprises a blend of a propylene copolymer comprising 2.5 to 12.0 wt % of 1-hexene as a comonomer, and having a melt flow rate MFR2 of 0.5 to 20.0 g/10 min, and an ethylene homo- or copolymer having a melt flow rate MFR2 of 0.05 to 30.0 g/10 min and a density of 850 to 940 kg/m3, wherein the xylene cold solubles (XCS) content of the polypropylene composition is from 5.0 to 30.0 wt %.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: September 5, 2023
    Assignee: BOREALIS AG
    Inventors: Markus Gahleitner, Jingbo Wang, Klaus Bernreitner, Pauli Leskinen, Johanna Lilja
  • 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: 11739202
    Abstract: The present invention relates to bimodal polypropylene random copolymers comprising ethylene as comonomer and articles made thereof, having an improved resistance against ?-irradiation and are especially suitable for application in the medical, pharmaceutical or diagnostic field.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: August 29, 2023
    Assignee: BOREALIS AG
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen
  • Publication number: 20230265270
    Abstract: The present invention relates to a new BOPP film for use in a capacitor film, a new polypropylene homopolymer and a process for manufacturing the polypropylene homopolymer.
    Type: Application
    Filed: May 21, 2021
    Publication date: August 24, 2023
    Applicant: Borealis AG
    Inventors: Alexander REZNICHENKO, Hans KERKHOFS, Kristof WEHENKEL, Werner VERWIMP, Dietrich GLOGER
  • Patent number: 11708431
    Abstract: The invention relates to a polymer composition comprising a polyethylene and a crosslinking agent, wherein the polymer composition contains a total amount of vinyl groups which is B vinyl groups per 1000 carbon atoms, and B1?B, wherein B1 is 0.88, when measured prior to crosslinking according to method ASTM D624898; and wherein the crosslinking agent is present in an amount which Z wt %, based on the total amount (100 wt %) of the polymer composition, and Z?Z2, wherein Z2 is 0.60, an article being e.g. a cable, e.g. a power cable, and processes for producing a polymer composition and an article; useful in different end applications, such as wire and cable (W&C) applications.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: July 25, 2023
    Assignee: BOREALIS AG
    Inventors: Villgot Englund, Virginie Eriksson, Daniel Nilsson, Annika Smedberg
  • Patent number: 11708432
    Abstract: The invention relates to a polymer composition comprising a polyethylene and a crosslinking agent, characterized in that the polymer composition contains a total amount of vinyl groups which is B vinyl groups per 1000 carbon atoms, and B1?B, wherein B1 is 0.88, when measured prior to crosslinking according to method ASTM D6248-98; and in that the crosslinking agent is present in an amount which is Z wt %, based on the total amount (100 wt %) of the polymer composition, and Z?Z2, wherein Z2 is 0.30, an article being e.g. a cable, e.g. a power cable, and processes for producing a polymer composition and an article; useful in different end applications, such as wire and cable (W&C) applications.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: July 25, 2023
    Assignee: Borealis AG
    Inventors: Villgot Englund, Virginie Eriksson, Daniel Nilsson, Annika Smedberg
  • Patent number: 11708425
    Abstract: Described herein is a polymerization reactor system comprising at least one loop reactor and/or at least one transfer line, and further comprising at least one withdrawal valve, wherein the at least one withdrawal valve is mounted to a wall of a lower horizontal segment of the loop reactor and/or to a wall of the transfer line, at an angle a of more than 0° and equal to or less than 85°, determined from perpendicular to a tangent of the wall at the mounting position in flow direction of a slurry in the loop reactor and/or in the transfer line.
    Type: Grant
    Filed: November 2, 2018
    Date of Patent: July 25, 2023
    Assignee: BOREALIS AG
    Inventors: Christof Wurnitsch, Sameer Vijay, Erno Elovainio
  • Patent number: 11702487
    Abstract: The present invention relates to a process for producing a propylene polymer, such as a propylene homopolymer, a propylene-ethylene random copolymer or a heterophasic propylene copolymer using a specific class of metallocene complexes in combination with a cocatalyst system comprising a boron containing cocatalyst and an aluminoxane cocatalyst, preferably in a multistage polymerization process including a gas phase polymerization step.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: July 18, 2023
    Assignee: BOREALIS AG
    Inventors: Noureddine Ajellal, Ville Virkkunen