Patents Assigned to Borealis AG
  • POLYETHYLENE COMPOSITION FOR PIPE APPLICATIONS WITH IMPROVED SAGGING PROPERTIES
    Publication number: 20210070969
    Abstract: The present invention relates to a polyethylene composition comprising, a base resin (A) comprising a copolymer of ethylene and at least one comonomer selected from alpha-olefins having from three to twelve carbon atoms, wherein the ethylene copolymer comprises a low molecular weight component (A-1) and a high molecular weight component (A-2) with the low molecular weight component (A-1) having a lower weight average molecular weight than the high molecular weight component (A-2), (B) carbon black in an amount of 1.0 to 10 wt % based on the total amount of the polyethylene composition, and (C) optional further additives other than carbon black.
    Type: Application
    Filed: October 26, 2020
    Publication date: March 11, 2021
    Applicant: BOREALIS AG
    Inventors: Antti TYNYS, Jarmo HARJUNTAUSTA, Mohana Murali ADHYATMABHATTAR
  • Power cable polymer composition comprising thermoplastic and having advantageous properties
    Patent number: 10943710
    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: December 18, 2015
    Date of Patent: March 9, 2021
    Assignee: Borealis AG
    Inventors: Villgot Englund, Per-Ola Hagstrand, Virginie Eriksson, Annika Smedberg
  • Stiff propylene composition with good dimensional stability and excellent surface appearance
    Patent number: 10941288
    Abstract: The present invention is directed to a stiff propylene composition with good dimensional stability and excellent surface appearance, said composition comprising a modified polypropylene composition and an inorganic filler.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: March 9, 2021
    Assignee: Borealis AG
    Inventors: Daniela Mileva, Georg Grestenberger, Thomas Lummerstorfer
  • Polyolefin composition for medium/high/extra high voltage cables comprising benzil-type voltage stabiliser
    Patent number: 10941276
    Abstract: The present invention relates to a polyolefin composition comprising (A) a polyolefin, (B) a benzil derivative comprising, preferably consisting of, the structural unit according to the following formula (I) wherein R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 independently from each other are hydrogen, or a hydrocarbyl group which may contain heteroatoms or at least two of said R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 together with the ring atoms of the ring system of formula (I) they are attached to, form a further aromatic or non-aromatic ring fused to the ring system of formula (I) and at least R1 or R2 is an ester group. The invention also relates to a wire or cable, in particular a medium, high or extra high voltage cable, comprising such a composition, and to the use of such a composition for the production of a wire or cable, in particular a medium, high or extra high voltage cable.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: March 9, 2021
    Assignee: BOREALIS AG
    Inventors: Markus Jarvid, Anette Johansson, Mats Andersson, Stanislaw Gubanski, Villgot Englund, Christian Muller, Jonas Mattiasson Bjuggren
  • Polymer composition for cable applications with advantageous electrical properties
    Patent number: 10934420
    Abstract: The invention relates to a polymer composition comprising polyolefin (a), which is other than low density polyethylene (LDPE), and polyolefin (b), which is an LDPE polymer and obtainable by a high pressure process which process comprises the steps: (i) compressing one or more monomer(s) under pressure in a compressor, using a compressor lubricant for lubrication, (ii) polymerising a monomer optionally together with one or more comonomer(s) in a polymerisation zone, (iii) separating the obtained polyolefin (b) from the unreacted products and recovering the separated polyolefin in a recovery zone, wherein in step (i) the compressor lubricant comprises a non-mineral oil; a power cable, e.g. of a direct current (DC) power cable, use of a polymer composition and a process for producing a DC power cable.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: March 2, 2021
    Assignee: BOREALIS AG
    Inventors: Villgot Englund, Per-Ola Hagstrand, Annika Smedberg, Ulf Nilsson
  • Polypropylene compositions for a layer element
    Patent number: 10934422
    Abstract: The present invention relates to a polymer composition for a layer element, to a use of the polypropylene composition for producing at least one layer of a layer element, preferably of a layer element of an article, preferably of a photovoltaic module, to a layer element, preferably a layer element of an article, preferably of a photovoltaic module, wherein said layer element comprises at least one layer comprising the polymer composition, as well as to an article, which is preferably a photovoltaic module.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: March 2, 2021
    Assignee: BOREALIS AG
    Inventors: Martina Sandholzer, Bert Broeders, Werner Krumlacher, Harald Muckenhuber, Michaela Plank, Verena Schenk, Klaus Bernreitner
  • Polypropylene composition for foaming applications
    Patent number: 10920057
    Abstract: The present invention is directed to a polypropylene composition (C) comprising a heterophasic propylene copolymer and an inorganic filler, the use of said polypropylene composition (C) for the production of a foamed article and a foamed article obtained from said polypropylene composition (C).
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: February 16, 2021
    Assignee: BOREALIS AG
    Inventors: Georg Grestenberger, Susanne Kahlen, Daniela Mileva, Wolfgang Stockreiter, Erwin Kastner, Jochen Kastl
  • Injection molded article based on propylene homopolymer
    Patent number: 10919993
    Abstract: Injection molded article for healthcare applications based on propylene homopolymer.
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: February 16, 2021
    Assignee: BOREALIS AG
    Inventors: Klaus Bernreitner, Martina Sandholzer, James Stern, Joanne Belshaw
  • Heterophasic polypropylene composition with improved mechanical and optical properties
    Patent number: 10920055
    Abstract: The present invention relates to a nucleated heterophasic polypropylene composition, which shows improved properties in view of mechanical and optical behaviour as well as low amounts of extractable. The present invention also relates to films and final articles made out of the heterophasic polypropylene composition, as well as their use in packaging, especially food packaging applications.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: February 16, 2021
    Assignee: BOREALIS AG
    Inventors: Markus Gahleitner, Jingbo Wang, Friedrich Berger, Johanna Lilja
  • Methods for the separation of at least one emulsion by applying an electrical field and device for carrying out said method
    Patent number: 10918972
    Abstract: Disclosed is a method for the break-up of at least one emulsion and separation of the light and heavy phase with at least an de-emulsification rate of more than 9% in only one apparatus within less than 5 min by applying at least one time dependent electrical field. The electrical field is a high frequency singular alternating current field with an electrical field strength between 2,000 and 100,000 V/m and a frequency between 12,000 Hz and 200,000 Hz. The present invention relates furthermore to a method for the treatment of at least one emulsion by applying at least one direct current field and at least one high frequency alternating current field.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: February 16, 2021
    Assignee: Borealis AG
    Inventors: Andreas Leitner, Michael Schadenböck, Udo Muster
  • Multimodal random heterophasic polypropylene composition
    Patent number: 10907036
    Abstract: The present invention provides a soft multimodal random heterophasic polypropylene composition (m-Raheco) with improved stiffness and impact behaviour while maintaining optical properties. The multimodal random heterophasic polypropylene composition (m-Raheco) is suitable as material for injection moulding, e.g. for thin walled injection moulded articles. The present invention also describes specific propylene random copolymers as modifiers or compatibilizers in polyolefins and their according use.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: February 2, 2021
    Assignee: BOREALIS AG
    Inventors: Martina Sandholzer, Cornelia Tranninger, Jingbo Wang, Markus Gahleitner
  • Process for producing a coated pipe
    Patent number: 10899942
    Abstract: The present invention deals with a process for producing a coated pipe.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: January 26, 2021
    Assignee: Borealis AG
    Inventors: Jari Äärilä, Jarmo Kela, Jouni Purmonen
  • PROCESS
    Publication number: 20210009414
    Abstract: The invention provides a process for separating hydrogen from a gaseous feed stream in a polymerisation process, comprising the steps i) polymerising an olefin monomer and optionally at least one olefin comonomer, in the presence of a solvent optionally in the presence of hydrogen, so as to form a polymerisation reaction mixture comprising a polyolefin polymer, unreacted monomer(s), solvent and hydrogen; ii) separating said polyolefin polymer from said unreacted monomer(s), solvent and hydrogen; iii) feeding said unreacted monomer(s) and hydrogen to a condenser so as to form said gaseous feed stream; iv) contacting said gaseous feed stream with a hydrogen separating membrane so as to form a hydrogen-rich gaseous stream and a hydrogen-lean gaseous stream.
    Type: Application
    Filed: February 22, 2019
    Publication date: January 14, 2021
    Applicant: BoreAlis AG
    Inventor: Sameer VIJAY
  • Polyethylene composition for pipe applications with improved sagging and extrusion properties
    Patent number: 10889697
    Abstract: The present invention relates to a polyethylene composition comprising, a base resin (A) comprising a copolymer of ethylene and at least one comonomer selected from alpha-olefins having from three to twelve carbon atoms, wherein the ethylene copolymer comprises a low molecular weight component (A-1) and a high molecular weight component (A-2) with the low molecular weight component (A-1) having a lower weight average molecular weight than the high molecular weight component (A-2), (B) carbon black in an amount of 1.0 to 10 wt % based on the total amount of the polyethylene composition, and (C) optional further additives other than carbon black; wherein the low molecular weight component (A-1) has a melt flow rate MFR2 (190° C., 2.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: January 12, 2021
    Assignees: ABU DHABI POLYMERS CO. LTD (BOROUGE) L.L.C., BOREALIS AG
    Inventors: Antti Tynys, Mohana Murali Adhyatma Bhattar, Jarmo Harjuntausta
  • High pressure radial polymerisation process for a copolymer of ethylene silane groups containing comonomer
    Patent number: 10889670
    Abstract: A copolymer of ethylene with silane groups containing comonomer that is produced in a high pressure radical polymerisation process comprising the steps of: (a) compressing ethylene together with the silane groups containing comonomer under pressure in a compressor, wherein a compressor lubricant is used for lubrication, (b) polymerising ethylene together with the silane groups containing comonomer in a polymerisation zone, (c) separating the obtained ethylene from the unreacted products and recovering the separated ethylene copolymer in a recovery zone, wherein in step a) the compressor lubricant comprises a mineral oil and ethylene copolymer has a silane groups containing comonomer content of 0.5 to 3 wt % and an MFR2 of 0.3 to 10 g/10 min. The copolymer of ethylene with silane groups containing comonomer can be used.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: January 12, 2021
    Assignee: BOREALIS AG
    Inventors: Thomas Hjertberg, Lars Lindgren, Lena Lindbom, Roger Karlsson
  • Crosslinked polymer composition for cable accessories
    Patent number: 10889705
    Abstract: A crosslinked polymer composition based on a plastomer, which is suitable for producing at least one layer of cable accessories like cable joints, bushings or terminations; its use for preparing such a layer and the cable accessory comprising the composition.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: January 12, 2021
    Assignee: BOREALIS AG
    Inventors: Mattias Bergqvist, Martina Sandholzer, Davide Domenico Tranchida, Johan Andersson, Villgot Englund, Thomas Hjertberg
  • Molecular modification of polyethylene resin
    Patent number: 10889666
    Abstract: The invention is related to a process for producing modified polyethylene having decreased melt flow rate (5 kg, 190° C.) (MFR). In particular, the present invention is directed to a process in a controlled manner for producing modified polyethylene recyclates having low MFR and low gel content directly by reactive extrusion processing.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: January 12, 2021
    Assignee: BOREALIS AG
    Inventors: Franz Ruemer, Carl-Gustav Ek, Mattias Bergqvist
  • Polypropylene film structure
    Patent number: 10886070
    Abstract: The present invention is a structure comprising a biaxially oriented film having a layer comprising a homopolymer of propylene which layer is in contact with oil, characterised in that the homopolymer of propylene has a content of isotactic pentads of from 95% to 98% and a content of ash of not more than 30 ppm.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: January 5, 2021
    Assignee: BOREALIS AG
    Inventors: Franciscus Jacobs, Guido Boelaers
  • Cable with advantageous electrical properties
    Patent number: 10886034
    Abstract: A cable having one or more conductors surrounded by at least an inner semiconductive layer, an insulation layer and an outer semiconductive layer, in that order. The insulation layer has at least 90 wt % of a polymer composition, said polymer composition having 80.0 to 99.9 wt % of an LDPE homopolymer or copolymer; and 0.1 to 20.0 wt % of: an ultra-high molecular weight polyethylene having a Mw of at least 1,000,000; or a single site catalysed medium density polyethylene (MDPE) having a density of 925 to 940 kg/m3 or a single site catalysed linear low density polyethylene (LLDPE) having a density of 910 to 925 kg/m3.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: January 5, 2021
    Assignee: Borealis AG
    Inventors: Per-Ola Hagstrand, Villgot Englund, Johan Andersson, Virginie Eriksson, Annika Smedberg, Ulf Nilsson, Karl Nielsen, Thomas Gkourmpis, Antonios Gitsas, Mattias Andersson, Christian Müller
  • Propylene-butylene copolymers with improved mechanical and optical properties and better processability as well as articles made therefrom
    Patent number: 10882934
    Abstract: The present invention relates to nucleated propylene-butylene copolymers comprising propylene and butylene monomer units, wherein the nucleated propylene-butylene copolymer has improved stiffness, better impact behaviour and optical properties such as low haze and improved optomechanical ability.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: January 5, 2021
    Assignee: BOREALIS AG
    Inventors: Jingbo Wang, Wilfried Töltsch, Elisabeth Potter, Markus Gahleitner