Patents Assigned to Borealis AG
  • Patent number: 12252604
    Abstract: The present invention relates to a foamed polypropylene composition comprising (A) from 60.0 to 95.0 wt % of a linear propylene homopolymer and (B) from 5.0 to 40.0 wt % of a low density polyethylene, based on the total weight of the polypropylene composition, wherein the polypropylene composition before foaming has a melt flow rate MFR2 of from 0.1 to 5.0 g/10 min, determined according to ISO 1133 at a load of 2.16 kg and a temperature of 230° C., and a F30 melt strength of from 0.1 to 2.0 cN, determined according to ISO 16790:2005, a sheet comprising said foamed polypropylene composition, an article comprising said sheet, a process for producing said sheet and the use of said foamed polypropylene composition or said sheet for producing an article.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: March 18, 2025
    Assignees: ABU DHABI POLYMERS CO. LTD. (BOROUGE) L.L.C., Borealis AG
    Inventors: Daniel Van Houcke, Emelito Tenorio
  • Patent number: 12234349
    Abstract: The invention provides a semiconductive polymer composition comprising (a) a base polymer of ethylene vinyl acetate copolymer, (b) at least 25 wt % carbon black; and (c) at least 1 wt % of an ethylene vinyl acetate wax.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: February 25, 2025
    Assignee: Borealis AG
    Inventors: Daniel Nilsson, Niklas Thorn, Annika Smedberg, Fredrik Skogman
  • Patent number: 12226933
    Abstract: Polyethylene blend with defined CIELAB color.
    Type: Grant
    Filed: May 31, 2022
    Date of Patent: February 18, 2025
    Assignee: Borealis AG
    Inventors: Tuan Anh Tran, Susana Lopes Filipe, Andreas Nagl, Doris Machl
  • Patent number: 12202180
    Abstract: A process for producing a cap or closure comprising obtaining a polypropylene composition by sequential polymerization comprising the steps: A) polymerizing in a first reactor, preferably a slurry reactor, in the presence of a Ziegler-Natta catalyst monomers comprising propylene and optionally one or more comonomers selected from ethylene and C4-C10 alpha-olefins, to obtain a first propylene polymer fraction having a comonomer content in the range of 0.0 to 1.8 wt %, and a MFR2 in the range of from 12.0 to 40.0 g/10 min, as measured according to ISO 1133 at 230° C. under a load of 2.16 kg; B) polymerizing in a second reactor, preferably a first gas-phase reactor, monomers comprising propylene and one or more comonomers selected from ethylene and C4-C10 alpha-olefins, in the presence of the first propylene polymer fraction, to obtain a second propylene polymer fraction, wherein the polypropylene composition comprising said first and second propylene polymer fractions has an MFR2 in the range of from 12.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: January 21, 2025
    Assignee: Borealis AG
    Inventors: Jingbo Wang, Markus Gahleitner, Elisabeth Potter, Luc Monnissen, Meta Cigon, Daniela Mileva
  • Patent number: 12202919
    Abstract: Cast film made from terpolymers, and terpolymers containing units derived from propylene, ethylene and 1-butene.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: January 21, 2025
    Assignee: Borealis AG
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen
  • Patent number: 12173143
    Abstract: It is provided a polymer composition including at least the following components A) 40 to 94 wt.-% based on the overall weight of the polymer composition of a polymer blend, including a1) 50 to 95 wt.-% of polypropylene; a2) 5 to 50 wt.-% of polyethylene; C) 3 to 30 wt.-% based on the overall weight of the polymer composition of a compatibilizer being a copolymer of propylene and 1-hexene, including b1) 30 to 70 wt.-% of a first random copolymer of propylene and 1-hexene; and b2) 30 to 70 wt.-% of a second random copolymer of propylene and 1-hexene having a higher 1-hexene content than the first random propylene copolymer b1); 3 to 30 wt.-% of a modifier selected from the group consisting of plastomers, heterophasic polypropylene copolymers different from component B) and mixtures thereof; with the provisos that the weight proportions of components a1) and a2) add up to 100 wt.-%; the weight proportions of components b1) and b2) add up to 100 wt.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: December 24, 2024
    Assignee: Borealis AG
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Hermann Braun
  • Patent number: 12163013
    Abstract: A polymer composition including: A) 70-97 wt.-% of a polymer blend, including a1) 50-95 wt.-% polypropylene; a2) 5-50 wt.-% polyethylene; B) 3-30 wt.-% of a copolymer of propylene and 1-hexene, including b1) 30-70 wt.-% of a first random copolymer of propylene and 1-hexene; and b2) 30-70 wt.-% of a second random copolymer of propylene and 1-hexene having a higher 1-hexene content than the first random propylene copolymer b1); the weight proportions of components al) and a2) are 100 wt.-%; the weight proportions of components b1) and b2) are 100 wt.-%; component A) has a MFR2 of from 1.0-50.0 g/10 min; component B) has a 1-hexene content in the range of 2.0-8.0 wt.-% based on the overall weight of component B); and the polymer composition is free from plastomers being an elastomeric copolymer of ethylene and 1-octene having a density of from 0.860-0.930 g/cm3.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: December 10, 2024
    Assignee: Borealis AG
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Hermann Braun
  • Patent number: 12146047
    Abstract: A propylene copolymer composition is provided, wherein the composition includes from 50.0 to 90.0 wt %, based on the total amount of the propylene copolymer composition, of a heterophasic propylene copolymer having a matrix phase and an elastomeric phase dispersed in said matrix phase, wherein the matrix phase is a propylene random copolymer. The composition also includes from 5.0 to 25.0 wt %, based on the total amount of the propylene copolymer composition, of a propylene based plastomer from 5.0 to 25.0 wt %, based on the total amount of the propylene copolymer composition, of an ethylene based plastomer. An article comprising said propylene copolymer composition and the use of said propylene copolymer composition in a single ply roofing membrane is also provided.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: November 19, 2024
    Assignee: Borealis AG
    Inventors: Johan DeFoer, Marc Knaepen
  • Patent number: 12146019
    Abstract: A process for washing a particulate substance comprising: (i) combining a particulate substance and a first washing medium in a first vessel to form a slurry and washing the particulate substance with said washing medium; (ii) transferring the slurry to a hydrocyclone; (iii) removing a first by-product stream depleted in particulate substance and a first product stream enriched in particulate substance from the hydrocyclone; (iv) transferring the first product stream to a second vessel and in the presence of a second washing medium forming a slurry and washing the particulate substance with said second washing medium e.g. by agitation thereof; (v) transferring the slurry to a hydrocyclone; (vi) removing a second by-product stream depleted in particulate substance and a second product stream enriched in particulate substance from the hydrocyclone.
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: November 19, 2024
    Assignee: Borealis AG
    Inventors: Pasi Matikainen, Emilia Helisevä, Jukka-Pekka Parjanen
  • Patent number: 12146046
    Abstract: The invention is related to polypropylene compositions combining high impact strength with good haze and additionally showing good stress whitening resistance.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: November 19, 2024
    Assignee: Borealis AG
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen
  • Patent number: 12084566
    Abstract: Mixed-plastics polypropylene blend including mainly polypropylene being benzene free with defined CIELAB color.
    Type: Grant
    Filed: March 25, 2022
    Date of Patent: September 10, 2024
    Assignee: Borealis AG
    Inventors: Tuan Anh Tran, Susana Lopes Filipe, Andreas Nagl, Doris Machl, Andreas Rössler-Czermak
  • Patent number: 12084565
    Abstract: Composition comprising a heterophasic propylene copolymer with low melt flow rate and rather low amount of xylene cold solubles and a recycled polymer composition being rich in polypropylene.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: September 10, 2024
    Assignee: Borealis AG
    Inventors: Franz Ruemer, Luca Boragno, Stefan Schiesser, Guenter Dreiling, Christian Hollsten, Siegfried Liedauer, Andrei Ollikainen, Thierry Pezard
  • Patent number: 12043687
    Abstract: The present invention is concerned with a process for polymerizing ethylene or copolymerizing ethylene and at least one alpha-olefin comonomer in the presence of a supported polymerization catalyst in a multi-stage process in which the last polymerization stage is a gas phase reactor, the use of said process for reducing particle carry-over in the last polymerization stage and the use of a supported polymerization catalyst with a certain median particle size to polymerize an ethylene homo- or copolymer in said multi-stage process with a span of its particle size distribution which can be predicted from the median particle size of the catalyst.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: July 23, 2024
    Assignee: Borealis AG
    Inventors: Apostolos Krallis, Vasileios Kanellopoulos, Pascal Castro, Vuokko Ojanperä, Kumudini Jayaratne
  • Patent number: 12018102
    Abstract: The present invention relates to a process for polymerizing at least one olefin in gas phase in a fluidized bed in a polymerization reactor having a top zone of a generally conical shape as such that the equivalent cross-sectional diameter is monotonically decreasing with respect to the flow direction of the fluidization gas, a middle zone in direct contact with and below said top zone of a generally cylindrical shape and a bottom zone in direct contact and below said middle zone and of a generally conical shape as such that the equivalent cross-sectional diameter is monotonically increasing with respect to the flow direction of the fluidization gas, comprising the steps of: a) introducing a first stream of fluidization gas into the bottom zone; b) polymerizing at least one olefin in the presence of a polymerization catalyst in the fluidized bed formed by particles of a polymer of the at least one olefin suspended in an upwards flowing stream of the fluidization gas in the middle zone; c) withdrawing a second
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: June 25, 2024
    Assignee: Borealis AG
    Inventors: Apostolos Krallis, Vasileios Kanellopoulos, Erno Elovainio, Klaus Nyfors
  • Patent number: 12006425
    Abstract: A composition suitable for automotive application obtainable by blending at least components a) to f), or a), b), c), d), C and f) under the proviso that e) is not present a) 12 to 40 wt.-%, preferably 14 to 38 wt. %, more preferably 15 to 35 wt.-% of a first heterophasic polypropylene copolymer (HECO 1) b) 12 to 40 wt.-%, preferably 14 to 38 wt.-%, more preferably 15 to 35 wt.-% of a second heterophasic polypropylene copolymer (HECO 2) c) 15 to 65 wt.-%, preferably 18 to 60 wt.-%, more preferably 20 to 55 wt.-% of a polypropylene-polyethylene blend (A) d) 3.0 to 20 wt.-%, preferably 5.0 to 15 wt.-% and more preferably 6.0 to 15 wt.-% of an inorganic filler e) 0 to 15 wt.-% HDPE f) 0.01 to 4.0 wt.-% of additives.
    Type: Grant
    Filed: August 11, 2021
    Date of Patent: June 11, 2024
    Assignee: Borealis AG
    Inventors: Susanne Kahlen, Angelica Legras, Hermann Braun, Michael Jerabek, Christophe Salles, Daniela Mileva
  • Patent number: 11999840
    Abstract: A composition comprising (A) 18.0 to 60.0 wt.-% of a heterophasic composition (HECO); (B) 7.0 to 55.0 wt.-% of a polypropylene-polyethylene blend (B); (C) 0.0 to 12.0 wt.-% of an HDPE; (D) 2.0 to 12.0 wt.-% of plastomer; and (E) 7.0 to 25.0 wt.-% of talc; wherein the HECO has a Tm of 150 to 159° C., an MFR2 of 20.0 to 120 g/10 min, a CRYSTEX QC crystalline fraction of 79.0 to 91.0 wt.-%, a CRYSTEX QC soluble fraction of 9.0 to 21.0 wt.-%, and an ethylene content of 1.5 to 6.5 mol.-%; blend (B) comprises at least 85.0 wt.-% of polypropylene and at most 15.0 wt.-% of polyethylene and has an MFR2 of 5.0 to 75 g/10 min and an ash content of 0.1 to 3.0 wt.-%; and the plastomer is a C2/C8 or a C2/C4 copolymer having a density of 850 to 900 kg/m3.
    Type: Grant
    Filed: August 11, 2021
    Date of Patent: June 4, 2024
    Assignee: Borealis AG
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Hermann Braun, Andreas Rössler-Czermak
  • Patent number: 11990859
    Abstract: The present invention relates to a mounting device (MD) for a photovoltaic (PV) module, a connecting element (CE) for a mounting device (MD), a mounting structure (MS) comprising a mounting device (MD) and a photovoltaic (PV) module, an array of mounting structures (MS) comprising two or more mounting structures (MS), a polypropylene copolymer composition for a mounting device (MD) of a photovoltaic (PV) module as well as a polypropylene homopolymer composition for a connecting element (CE) for a mounting device (MD).
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: May 21, 2024
    Assignee: Borealis AG
    Inventors: Nelson Franco, Marcelo Giorgetti
  • Patent number: 11981781
    Abstract: The present invention discloses a process for providing a cross-linked composition, the process comprising the steps of (a) providing an ethylene-?-olefin plastomer having—a density of from 850 kg/m3 to 900 kg/m3; and—an melt flow rate (ISO 1133, 2.16 kg, 190° C.) of 0.3 to 50 g/10 min; (b) grafting the ethylene-?-olefin plastomer with silane crosslinker such that the content of silane crosslinker is in the range of 0.1 to 10.0 wt. % with respect to the grafted ethylene-?-olefin plastomer; (c) contacting said grafted ethylene-?-olefin plastomer with 2 to 8 wt. % of a tin-free silane crosslinking catalyst with respect to the resulting mixture of grafted ethylene-?-olefin plastomer and tin-freesilane crosslinking catalyst, wherein said tin-free catalyst comprises a Brönsted acid at 23° C. and 50% relative humidity for at least 15 minutes thus forming a cross-linked composition, wherein gel content of said cross-linked composition after 15 min is at least 60%.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: May 14, 2024
    Assignee: Borealis AG
    Inventors: Oscar Prieto, Jeroen Oderkerk, Jari-Jussi Ruskeeniemi, Stefan Hellström, Tanja Piel, Daniela Mileva
  • Patent number: 11965052
    Abstract: A process for the preparation of an ultra-high molecular weight ethylene homopolymer having a MFR21 of 0.01 g/10 min or less, said process comprising: (I) prepolymerising at least ethylene at a temperature of 0 to 90° C. in the presence of a heterogeneous Ziegler Natta catalyst to prepare an ethylene prepolymer having an Mw of 40,000 to 600,000 g/mol; and thereafter in the presence of the prepolymer and said catalyst; (II) polymerising ethylene at a temperature of 55° C. or less, such as 20 to 55° C., to prepare said UHMW ethylene homopolymer; wherein the UHMW ethylene homopolymer comprises up to 8 wt. % of said prepolymer.
    Type: Grant
    Filed: February 17, 2023
    Date of Patent: April 23, 2024
    Assignee: Borealis AG
    Inventors: Irfan Saeed, Esa Kokko, Mika Salo, Sanjay Rastogi, Dario Romano, Sara Ronca
  • Patent number: 11945926
    Abstract: The present invention is directed to a polypropylene composition (C) a melt flow rate MFR2 (230° C.) determined according to ISO 1133 in the range of 15 to 40 g/10 min, the use of said polypropylene composition (C) for the production of a foamed article and a foamed article comprising said polypropylene composition (C).
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: April 2, 2024
    Assignees: Abu Dhabi Polymers Co. Ltd (Borouge) LLC., Borealis AG
    Inventors: Susanne Kahlen, Daniela Mileva, Georg Grestenberger, Andreas Fuchs, Stefanie Engleder, Jürgen Huber, Shengquan Zhu