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).
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Publication number: 20230279206Abstract: 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: ApplicationFiled: October 25, 2021Publication date: September 7, 2023Inventors: Qizheng Dou, Victor Sumerin, Elena Pomakhina, Jari Äärilä
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Publication number: 20230257489Abstract: 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: ApplicationFiled: July 7, 2021Publication date: August 17, 2023Inventors: Andrey Buryak, Victor Sumerin, Franz Ruemer, Jari Aarila, Joy Jie Cheng
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Publication number: 20230114045Abstract: 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: ApplicationFiled: December 10, 2020Publication date: April 13, 2023Inventors: Yi Liu, Susanne Kahlen, Hermann Braun, Elisabeth Ribarits, Christian Goetzloff, Gerhard Hubner, Ruth Dammert, Sanna Ronkainen, Andreas Rössler-Czermak, Jari Äärilä
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Publication number: 20230016624Abstract: 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: ApplicationFiled: December 21, 2020Publication date: January 19, 2023Applicant: BOREALIS AGInventors: Ruth DAMMERT, Jari ÄÄRILÄ
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Patent number: 11180586Abstract: 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 98Type: GrantFiled: November 16, 2017Date of Patent: November 23, 2021Assignee: Borealis AGInventors: Jari Äärilä, Auli Nummila-Pakarinen, Jarmo Kela, Anh Tuan Tran
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Patent number: 10982025Abstract: 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: GrantFiled: November 16, 2017Date of Patent: April 20, 2021Assignee: Borealis AGInventors: Jari Äärilä, Auli Nummila-Pakarinen, Jarmo Kela, Anh Tuan Tran
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Patent number: 10899942Abstract: The present invention deals with a process for producing a coated pipe.Type: GrantFiled: September 20, 2017Date of Patent: January 26, 2021Assignee: Borealis AGInventors: Jari Äärilä, Jarmo Kela, Jouni Purmonen
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Publication number: 20200032095Abstract: The present invention deals with a process for producing a coated pipe.Type: ApplicationFiled: September 20, 2017Publication date: January 30, 2020Inventors: Jari Äärilä, Jarmo Kela, Jouni Purmonen
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Publication number: 20200010655Abstract: The present invention deals with a process for producing a multimodal ethylene polymer composition suitable for producing films by blow moulding.Type: ApplicationFiled: November 16, 2017Publication date: January 9, 2020Inventors: Jari Äärilä, Auli Nummila-Pakarinen, Jarmo Kela, Anh Tuan Tran
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Patent number: 10494465Abstract: 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: GrantFiled: November 18, 2015Date of Patent: December 3, 2019Assignee: BOREALIS AGInventors: Jarmo Kela, Peter Niedersuss, Jari Aarila, Markku Vahteri, Floran Prades, John Jamieson, Willem Wever
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Publication number: 20190300630Abstract: 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 98Type: ApplicationFiled: November 16, 2017Publication date: October 3, 2019Inventors: Jari Äärilä, Auli Nummila-Pakarinen, Jarmo Kela, Anh Tuan Tran
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Patent number: 10385194Abstract: 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: GrantFiled: November 18, 2015Date of Patent: August 20, 2019Assignee: BOREALIS AGInventors: Jarmo Kela, Peter Niedersuss, Jari Aarila, Markku Vahteri, Floran Prades, John Jamieson, Willem De Wever
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Publication number: 20180346622Abstract: 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: ApplicationFiled: November 18, 2015Publication date: December 6, 2018Inventors: Jarmo Kela, Peter Niedersuss, Jari Aarila, Markku Vahteri, Floran Prades, John Jamieson, Willem Wever
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Publication number: 20170327678Abstract: 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: ApplicationFiled: November 18, 2015Publication date: November 16, 2017Inventors: Jarmo Kela, Peter Niedersuss, Jari Aarila, Markku Vahteri, Floran Prades, John Jamieson, Willem Wever
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Patent number: 8916660Abstract: 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: GrantFiled: November 16, 2012Date of Patent: December 23, 2014Assignee: Borealis AGInventors: Klaus Nyfors, Jari Aarila, Jari Hatonen, Henrik Andtsjo, Eira Johansson, Mikko Lylykangas
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Publication number: 20140171611Abstract: 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: ApplicationFiled: November 16, 2012Publication date: June 19, 2014Applicant: BOREALIS AGInventors: Klaus Nyfors, Jari Aarila, Jari Hatonen, Henrik Andtsjo, Eira Johansson, Mikko Lylykangas
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Publication number: 20120227852Abstract: 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: ApplicationFiled: June 24, 2010Publication date: September 13, 2012Inventors: Jari Aarila, Jarmo Harjuntausta
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Patent number: 8079747Abstract: 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: GrantFiled: March 24, 2011Date of Patent: December 20, 2011Assignees: Borealis Technology Oy, Japan Steel Works, Ltd.Inventors: Carl-Gustaf Ek, Yutaka Mizutani, Takayuki Yamazawa, Junichi Iwai, Shigeki Inoue, Arne Syre, Jari Aarila
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Publication number: 20110170369Abstract: 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: ApplicationFiled: March 24, 2011Publication date: July 14, 2011Inventors: Carl-Gustaf Ek, Yutaka Mizutani, Takayuki Yamazawa, Junichi Iwai, Shigeki Inoue, Arne Syre, Jari Aarila
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Publication number: 20100048808Abstract: 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: ApplicationFiled: June 6, 2007Publication date: February 25, 2010Applicant: BOREALIS TECHNOLOGY OYInventors: Martin Anker, Leif Leiden, Jari Äärilä