Patents Assigned to Borealis AG
  • Patent number: 11001736
    Abstract: An adhesive polymer composition comprising a non-elastomeric copolymer of ethylene and one or more comonomers having 3 to 10 carbon atoms, and an elastomer is disclosed herein. The non-elastomeric copolymer is present in an amount of 60 to 95% by weight, based on the adhesive polymer composition, has a weight average molecular weight Mw of from 50 000 to 80 000 g/mol, molecular weight distribution Mw/Mn of 2.0 to 5.5, density of from 0.925 to 0.945 g/cm3, and at most 0.1 vinyl groups/1000 carbon atoms. The non-elastomeric copolymer or the non-elastomeric copolymer and the elastomer have been grafted with an acid grafting agent.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: May 11, 2021
    Assignee: BOREALIS AG
    Inventors: Tua Sundholm, Juha Hartikainen, Jouni Purmonen, Ravindra Tupe, Juha Kuosa, Liubov Havula
  • Patent number: 10995205
    Abstract: The application provides a bimodal polypropylene random copolymer with good response to nucleating agents, increased crystallization temperature, good mechanical and optical properties, as well as low amounts of extractables and good processability in the sense of high Melt Flow Rate. The present invention further relates to articles made thereof, and the use of the bimodal polypropylene random copolymer for specific applications. It also relates to a process for the preparation of said bimodal polypropylene random copolymer.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: May 4, 2021
    Assignee: BOREALIS AG
    Inventors: Markus Gahleitner, Jingbo Wang, Klaus Bernreitner, Daniela Mileva, Matthias Hoff, Pauli Leskinen
  • Patent number: 10988555
    Abstract: The present invention is directed to a process for separating an olefin copolymer from volatile gases using a flash separator. The flash separator can be used with a solution or high pressure process. The mass transport of volatile gases from the viscous polymer melt is increased.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: April 27, 2021
    Assignee: BOREALIS AG
    Inventors: Vasileios Kanellopoulos, Mohammad Al-Haj Ali, Apostolos Krallis
  • Publication number: 20210114352
    Abstract: The present invention relates to a multilayer element (LE) and to a multilayer laminated glass layer element (GLE2), the use of the multilayer element (LE) and the multilayer laminated glass layer element (GLE2) for producing an article, an article comprising multilayer element (LE) or multilayer laminated glass layer element (GLE2), a layer element of at least two layers, the use of the polymer composition of the invention to produce a multilayer element (LE) or a multilayer laminated glass layer element (GLE2), as well as to a process for producing the multilayer element (LE) and an article thereof, as well as to a process for producing the multilayer laminated glass layer element (GLE2) and an article thereof.
    Type: Application
    Filed: April 16, 2019
    Publication date: April 22, 2021
    Applicant: BOREALIS AG
    Inventors: Jeroen ODERKERK, Denis YALALOV, Qizheng DOU, Francis COSTA
  • Patent number: 10982019
    Abstract: A process for the offline deactivation of at least one single site catalyst comprising contacting said catalyst with a deactivating agent selected from an aprotic low molecular weight carbonyl group containing organic compound or an aprotic low molecular weight orthoester or an aprotic low molecular weight acetal compound.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: April 20, 2021
    Assignee: BOREALIS AG
    Inventors: Irfan Saeed, Katri Nikkilä, Kalle Kallio
  • Patent number: 10982025
    Abstract: Disclosed is a process for producing a multimodal ethylene polymer composition suitable for producing films by blow moulding. The process comprises (i) copolymerising ethylene and an alpha-olefin comonomer in a first polymerisation step to produce a first ethylene copolymer (PE1); (ii) copolymerising ethylene and an alpha-olefin comonomer in a second polymerisation step in the presence of the first ethylene copolymer to produce a first ethylene polymer mixture (PEM1), wherein the MFR2 of PE1 is higher than the MFR2 of PEM1; and (iii) copolymerising ethylene and an alpha-olefin comonomer in a third polymerisation step in the presence of the PEM1 to produce a second ethylene polymer mixture (PEM2) having a density of from 915 to 925 kg/m3 and a melt flow rate MFR5 of from 0.3 to 5 g/10 min.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: April 20, 2021
    Assignee: Borealis AG
    Inventors: Jari Äärilä, Auli Nummila-Pakarinen, Jarmo Kela, Anh Tuan Tran
  • Patent number: 10982022
    Abstract: Synergistic visbreaking composition of peroxide and a hydroxylamine ester for increasing the visbreaking efficiency for polypropylene polymers at melt extrusion temperatures below 250° C. and its use in visbreaking polypropylene. The present invention is furthermore related to the use of such visbroken polypropylene polymers for producing melt blown non-wovens with improved barrier properties.
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: April 20, 2021
    Assignee: BOREALIS AG
    Inventors: Joachim Fiebig, Henk Van Paridon, Jingbo Wang, Markus Gahleitner
  • Patent number: 10982028
    Abstract: The present invention relates to nucleated propylene-ethylene-butylene-terpolymers comprising propylene, butylene, and ethylene, having improved stiffness, better impact behaviour and improved optical properties such as low haze, and low amounts of soluble or extractable fractions.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: April 20, 2021
    Assignee: BOREALIS AG
    Inventors: Jingbo Wang, Markus Gahleitner, Elisabeth Potter
  • Patent number: 10961376
    Abstract: The present invention relates to a polypropylene composition comprising a multimodal propylene random copolymer (A) with at least one comonomer selected from alpha-olefins with 2 or 4 to 8 carbon atoms and a nucleating agent (B), wherein the polypropylene composition has a Charpy Notched Impact Strength at 23° C. of at least 30 kJ/m2, determined according to ISO 179/1eA:2000 using notched injection moulded specimens, a process for producing said polypropylene composition, an article comprising said polypropylene composition and the use of said polypropylene composition for the production of an article.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: March 30, 2021
    Assignees: ABU DHABI POLYMERS CO. LTD (BOROUGE) L.L.C., Borealis AG
    Inventors: Cristian Hedesiu, Kauno Alastalo
  • Patent number: 10961334
    Abstract: A polyethylene composition comprising a base resin is disclosed herein. The base resin includes an ethylene homo- or copolymer fraction (A1), and an ethylene homo- or copolymer fraction (A2). Fraction (A1) has a lower weight average molecular weight than fraction (A2). The base resin has a melt flow rate MFR21 of equal to or less than 8.0 g/10 min and a density of 930 to 950 kg/m3. The polyethylene composition has a melt flow rate MFR5 of 0.01 to 0.3 g/10 min, a flow rate ratio FRR21/5 of equal to or more than 20 and a ratio of the weight average molecular weight and the number average molecular weight (Mw/Mn) of equal to or less than 30. Also the polyethylene composition has a tensile modulus of less than 1000 MPa. Also a process for the production of a polyethylene composition comprising polyethylene base resin is disclosed herein.
    Type: Grant
    Filed: May 29, 2017
    Date of Patent: March 30, 2021
    Assignee: BOREALIS AG
    Inventors: Yi Liu, Victor Sumerin, Ravindra Tupe
  • Patent number: 10946357
    Abstract: The present invention is directed to a process for feeding a polymerisation catalyst into a polymerisation reactor (7), comprising the steps of: (i) maintaining a catalyst slurry comprising a diluent and a solid catalyst component in a catalyst feed vessel (4); (ii) continuously withdrawing a stream of the catalyst slurry from the catalyst feed vessel (4); and (iii) introducing the withdrawn portion of the catalyst slurry into the polymerisation reactor (7), wherein the catalyst slurry is transferred by using a valveless piston pump (5) from the catalyst feed vessel (4) into the polymerisation reactor (7); the diluent has a dynamic viscosity of from 0.01 to 20 mPas at the conditions within the catalyst feed vessel (4), and wherein the catalyst slurry is transferred along a substantially vertical path downwards from the catalyst feed vessel (4) to the reactor (7).
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: March 16, 2021
    Assignee: BOREALIS AG
    Inventors: Pauli Leskinen, Erno Elovainio, Katri Nikkilä, Jukka-Pekka Parjanen, Jani Aho
  • Patent number: 10950366
    Abstract: An alternating current (AC) power cable includes a conductor surrounded by at least an inner semiconductive layer including a first semiconductive composition, an insulation layer including a polymer composition, an outer semiconductive layer including a second semiconductive composition, and optionally a jacketing layer including a jacketing composition, in that order. The polymer composition of the insulation layer includes an unsaturated low density polyethylene (LDPE) copolymer of ethylene with one or more polyunsaturated comonomers and a crosslinking agent. The polymer composition of the insulation layer has a dielectric loss expressed as tan ? (50 Hz) of 12.0×10?4 or less, when measured at 25 kV/mm and 130° C. according to “Test for Tan ? measurements on 10 kV cables”.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: March 16, 2021
    Assignee: Borealis AG
    Inventors: Ulf Nilsson, Annika Smedberg, Alfred Campus
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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