Patents by Inventor Jari Äärilä

Jari Äärilä has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230279206
    Abstract: The invention relates to a polyethylene (PE) composition comprising a base resin which comprises (A) a first ethylene homo- or copolymer fraction, wherein fraction (A) has melt flow rate, MFR2, from 100 to 600 g/10 min; and (B) a second ethylene-1-hexene copolymer fraction, wherein fraction (A) has a lower molecular weight than fraction (B) and wherein fraction (B) is present in an amount of from 50.0 to 58.0 wt.% based on the total weight of the base resin; wherein the base resin has a content of units derived from 1-hexene from 0.44 to 0.79 mol% based on the total amount of base resin; wherein the base resin has a molecular weight distribution, being the ratio of Mw/Mn, from 32 to 40 and the base resin has a Z average molecular weight, Mz, of more than 1,500 kg/mol; wherein the polyethylene composition has a melt flow rate MFR5 from 0.10 to 0.
    Type: Application
    Filed: October 25, 2021
    Publication date: September 7, 2023
    Inventors: Qizheng Dou, Victor Sumerin, Elena Pomakhina, Jari Äärilä
  • Publication number: 20230257489
    Abstract: The present invention relates to a polyethylene composition comprising a base resin which comprises (A) a first ethylene homo- or copolymer fraction, and (B) a second ethylene-hexene-1 copolymer fraction, wherein fraction (A) has a lower molecular weight than fraction (B) and wherein fraction (B) is present in an amount of from 51.0 to 58.5 wt. %, preferably 52.0 to 57.5 wt. %, more preferably 53.0 to 57.0 wt. % based on the total weight of the base resin, wherein fraction (B) of the base resin has a content of units derived from hexene-1 from 0.80 to 1.45 mol %, preferably of from 0.82 to 1.35 mol % and more preferably of from 0.85 to 1.30 mol %, wherein the base resin has a number average molecular weight Mn of 8,500 g/mol or higher, and wherein the polyethylene composition has a melt flow rate MFRs from 0.10 to 0.30 g/10 min, preferably from 0.15 to 0.28, and still more preferably from 0.16 to 0.
    Type: Application
    Filed: July 7, 2021
    Publication date: August 17, 2023
    Inventors: Andrey Buryak, Victor Sumerin, Franz Ruemer, Jari Aarila, Joy Jie Cheng
  • Publication number: 20230114045
    Abstract: The present invention relates to a mixed-plastic-polyethylene composition comprising: —a total amount of ethylene units (C2 units) of from 90.00 to 99.00 wt %, and—a total amount of continuous units having 3 carbon atoms corresponding to polypropylene (continuous C3 units) of from 0.01 to 5.00 wt %, with the total amounts of C2 units and continuous C3 units being based on the total weight amount of monomer units in the composition and measured according to quantitative 13C{1H} NMR measurement, and wherein the composition has—a melt flow rate (ISO 1133, 2.16 kg, 190° C.) of from 0.1 to 2.0 g/10 min; and—a density of from 930 kg/m3 to 955 kg/m3, preferably from 932 to 953 kg/m3, a process for producing said mixed-plastic-polyethylene composition, an article comprising said mixed-plastic-polyethylene composition and the use of said mixed-plastic-polyethylene composition for producing a cable layer.
    Type: Application
    Filed: December 10, 2020
    Publication date: April 13, 2023
    Inventors: Yi Liu, Susanne Kahlen, Hermann Braun, Elisabeth Ribarits, Christian Goetzloff, Gerhard Hubner, Ruth Dammert, Sanna Ronkainen, Andreas Rössler-Czermak, Jari Äärilä
  • Publication number: 20230016624
    Abstract: Polymer composition comprising, (A) a first polyolefin component, wherein the first polyolefin component comprises, preferably consists of, a multimodal polyolefin polymer; (B) a second polyolefin component; and (C) optionally a filler, wherein the first polyolefin component (A) is present in an amount of from 65 wt. % to 99 wt. % based on the total polymer composition and the second polyolefin component (B) is present in an amount of from 35 wt. % down to 1 wt. % based on the total polymer composition; and wherein the polymer composition has a SHI ( 1/100) of from 6 to 25, a G? (5 kPa) of 3000 Pa or less, and an environmental stress crack resistance (ESCR) of 1500 h or more when determined according to IEC 60811-406:2012, procedure B (reagent is a solution of 10% solution (by volume) in water of Igepal CO-630 (Antarox CO-630)).
    Type: Application
    Filed: December 21, 2020
    Publication date: January 19, 2023
    Applicant: BOREALIS AG
    Inventors: Ruth DAMMERT, Jari ÄÄRILÄ
  • Patent number: 11180586
    Abstract: The present invention deals with a process for producing a multimodal ethylene polymer composition suitable for producing films by blow moulding and comprising the steps of (i) homopolymerising ethylene or copolymerising ethylene and an alpha-olefin comonomer in a first polymerisation step in the presence of a silica supported Ziegler-Natta catalyst to produce a first ethylene homo- or copolymer (PEI) having a density of from 940 to 980 kg/m3 and a melt flow rate MFR2 of from 2 to 1000 g/10 min, provided that if the first ethylene homo- or copolymer (PE1) is a copolymer, MFR2 thereof is in the range of 2 to 100 g/10 min; (ii) homopolymerising ethylene or copolymerising ethylene and an alpha-olefin comonomer in a second polymerisation step in the presence of the first ethylene homo- or copolymer to produce a first ethylene polymer mixture (PEM1) comprising the first ethylene homo- or copolymer and a second ethylene homo- or copolymer (PE2), said first ethylene polymer mixture having a density of from 940 to 98
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: November 23, 2021
    Assignee: Borealis AG
    Inventors: Jari Äärilä, Auli Nummila-Pakarinen, Jarmo Kela, Anh Tuan Tran
  • 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: 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
  • Publication number: 20200032095
    Abstract: The present invention deals with a process for producing a coated pipe.
    Type: Application
    Filed: September 20, 2017
    Publication date: January 30, 2020
    Inventors: Jari Äärilä, Jarmo Kela, Jouni Purmonen
  • Publication number: 20200010655
    Abstract: The present invention deals with a process for producing a multimodal ethylene polymer composition suitable for producing films by blow moulding.
    Type: Application
    Filed: November 16, 2017
    Publication date: January 9, 2020
    Inventors: Jari Äärilä, Auli Nummila-Pakarinen, Jarmo Kela, Anh Tuan Tran
  • Patent number: 10494465
    Abstract: The present invention relates to a film comprising at least one layer which comprises a polymer composition comprising (a) a multimodal polymer of ethylene.
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: December 3, 2019
    Assignee: BOREALIS AG
    Inventors: Jarmo Kela, Peter Niedersuss, Jari Aarila, Markku Vahteri, Floran Prades, John Jamieson, Willem Wever
  • Publication number: 20190300630
    Abstract: The present invention deals with a process for producing a multimodal ethylene polymer composition suitable for producing films by blow moulding and comprising the steps of (i) homopolymerising ethylene or copolymerising ethylene and an alpha-olefin comonomer in a first polymerisation step in the presence of a silica supported Ziegler-Natta catalyst to produce a first ethylene homo- or copolymer (PEI) having a density of from 940 to 980 kg/m3 and a melt flow rate MFR2 of from 2 to 1000 g/10 min, provided that if the first ethylene homo- or copolymer (PE1) is a copolymer, MFR2 thereof is in the range of 2 to 100 g/10 min; (ii) homopolymerising ethylene or copolymerising ethylene and an alpha-olefin comonomer in a second polymerisation step in the presence of the first ethylene homo- or copolymer to produce a first ethylene polymer mixture (PEM1) comprising the first ethylene homo- or copolymer and a second ethylene homo- or copolymer (PE2), said first ethylene polymer mixture having a density of from 940 to 98
    Type: Application
    Filed: November 16, 2017
    Publication date: October 3, 2019
    Inventors: Jari Äärilä, Auli Nummila-Pakarinen, Jarmo Kela, Anh Tuan Tran
  • 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
  • Publication number: 20180346622
    Abstract: The present invention relates to a film comprising at least one layer which comprises a polymer composition comprising (a) a multimodal polymer of ethylene.
    Type: Application
    Filed: November 18, 2015
    Publication date: December 6, 2018
    Inventors: Jarmo Kela, Peter Niedersuss, Jari Aarila, Markku Vahteri, Floran Prades, John Jamieson, Willem Wever
  • Publication number: 20170327678
    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: Application
    Filed: November 18, 2015
    Publication date: November 16, 2017
    Inventors: Jarmo Kela, Peter Niedersuss, Jari Aarila, Markku Vahteri, Floran Prades, John Jamieson, Willem Wever
  • Patent number: 8916660
    Abstract: Process and apparatus for recovering polymer from a gas phase reactor having a distribution plate via an outlet vessel comprising at least one apparatus for the breakup of polymeric agglomerates, the apparatus further comprising a feed pipe connecting the gas phase reactor and the outlet vessel a return gas line connecting the gas phase reactor and the outlet vessel, means for varying the flow rate through the return gas line from the outlet vessel to the gas phase reactor, and means for varying the outlet rate of polymer product from the outlet vessel.
    Type: Grant
    Filed: November 16, 2012
    Date of Patent: December 23, 2014
    Assignee: Borealis AG
    Inventors: Klaus Nyfors, Jari Aarila, Jari Hatonen, Henrik Andtsjo, Eira Johansson, Mikko Lylykangas
  • Publication number: 20140171611
    Abstract: Process and apparatus for recovering polymer from a a gas phase reactor having a distribution plate via an outlet vessel comprising at least one apparatus for the breakup of polymeric agglomerates, the apparatus further comprising a feed pipe connecting the gas phase reactor and the outlet vessel a return gas line connecting the gas phase reactor and the outlet vessel, means for varying the flow rate through the return gas line from the outlet vessel to the gas phase reactor, and means for varying the outlet rate of polymer product from the outlet vessel.
    Type: Application
    Filed: November 16, 2012
    Publication date: June 19, 2014
    Applicant: BOREALIS AG
    Inventors: Klaus Nyfors, Jari Aarila, Jari Hatonen, Henrik Andtsjo, Eira Johansson, Mikko Lylykangas
  • Publication number: 20120227852
    Abstract: The present invention relates to a pipe comprising a layer made of a multimodal polyethylene composition comprising a polyethylene base resin which comprises an ethylene copolymer (A) and an ethylene copolymer (B) wherein the ethylene copolymer (A) has a lower weight average molecular weight then the ethylene copolymer (B).
    Type: Application
    Filed: June 24, 2010
    Publication date: September 13, 2012
    Inventors: Jari Aarila, Jarmo Harjuntausta
  • Patent number: 8079747
    Abstract: A screw extruder having a body forming a chamber of two barrels housing two counter-rotating axis-parallel rotors, a supply port for the material to be mixed in the chamber at one end of the body, a discharge port for discharging the mixed material at the other end of the body, a conveying section with screws for feeding the material from the supply port downstream to a mixing section which comprises at least two mixing zones, each mixing zone having at least one forward-conveying wing and at least one backward-conveying wing downstream of the forward-conveying wing on each rotor characterized in that a throttle valve is provided in the chamber downstream of the mixing section, and downstream of the throttle valve a second conveying section with screws and a second mixing section are provided.
    Type: Grant
    Filed: March 24, 2011
    Date of Patent: December 20, 2011
    Assignees: Borealis Technology Oy, Japan Steel Works, Ltd.
    Inventors: Carl-Gustaf Ek, Yutaka Mizutani, Takayuki Yamazawa, Junichi Iwai, Shigeki Inoue, Arne Syre, Jari Aarila
  • Publication number: 20110170369
    Abstract: A screw extruder having a body forming a chamber of two barrels housing two counter-rotating axis-parallel rotors, a supply port for the material to be mixed in the chamber at one end of the body, a discharge port for discharging the mixed material at the other end of the body, a conveying section with screws for feeding the material from the supply port downstream to a mixing section which comprises at least two mixing zones, each mixing zone having at least one forward-conveying wing and at least one backward-conveying wing downstream of the forward-conveying wing on each rotor characterized in that a throttle valve is provided in the chamber downstream of the mixing section, and downstream of the throttle valve a second conveying section with screws and a second mixing section are provided.
    Type: Application
    Filed: March 24, 2011
    Publication date: July 14, 2011
    Inventors: Carl-Gustaf Ek, Yutaka Mizutani, Takayuki Yamazawa, Junichi Iwai, Shigeki Inoue, Arne Syre, Jari Aarila
  • Publication number: 20100048808
    Abstract: The present invention concerns the use of a particular ethylene polymer for providing coating compositions displaying improved values for elongation at break at ?45° C., rendering coating compositions prepared in accordance with the present invention suitable for low temperature applications.
    Type: Application
    Filed: June 6, 2007
    Publication date: February 25, 2010
    Applicant: BOREALIS TECHNOLOGY OY
    Inventors: Martin Anker, Leif Leiden, Jari Äärilä