Patents by Inventor Andrey Buryak

Andrey Buryak 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: 20230340240
    Abstract: The present invention relates to a polyethylene composition comprising a base resin which comprises a first ethylene homo- or copolymer fraction (A) having a melt flow rate MFR2 from 1 to 150 g/10 min, preferably from 5 to 100 g/10 min, and a second ethylene copolymer fraction (B) having a content of units derived from a comonomer from 0.30 to 1.00 mol %, preferably of from 0.40 to 0.85 mol % and more preferably of from 0.45 to 0.70 mol %, wherein fraction (A) has a lower molecular weight than fraction (B) and wherein fraction (B) is present in an amount of from 45 to 70 wt. %, preferably 47 to 67 wt. %, more preferably 49 to 65 wt. %, even more preferably 50 to 62 wt. % based on the total weight of the base resin; and wherein the polyethylene composition has a melt flow rate MFR5 from 0.10 to 0.35 g/10 min, preferably from 0.10 to 0.25 g/10 min and a strain hardening modulus from 50 to 150 MPa.
    Type: Application
    Filed: July 7, 2021
    Publication date: October 26, 2023
    Applicant: Borealis AG
    Inventors: Andrey Buryak, Victor Sumerin, Anna Maria Hartl
  • 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
  • Patent number: 11339277
    Abstract: A polymer composition comprising a blend of two or more high density polyethylenes: (A) a first high density polyethylene having a density of at least 940 kg/m3 and an MFR2 of 0.25 g/10 min or less; and (B) a second high density polyethylene having a density of at least 940 kg/m3 and an MFR2 of 1.0 g/10 min to 20 g/10 min; wherein said polymer composition has an MFR2 of 0.25 to 15 g/10 min and wherein the components (A) and (B) combined form at least 91 wt % of said polymer composition.
    Type: Grant
    Filed: November 23, 2017
    Date of Patent: May 24, 2022
    Assignees: ABU DHABI POLYMERS COMPANY LIMITED (BOROUGE) L.L.C., BOREALIS AG
    Inventors: Katja Klimke, Andrey Buryak, Ashish Kumar
  • Publication number: 20200181373
    Abstract: A polymer composition comprising a blend of two or more high density polyethylenes: (A) a first high density polyethylene having a density of at least 940 kg/m3 and an MFR2 of 0.25 g/10 min or less; and (B)a second high density polyethylene having a density of at least 940 kg/m3 and an MFR2 of 1.0 g/10 min to 20 g/10 min; wherein said polymer composition has an MFR2 of 0.25 to 15 g/10 min and wherein the components (A) and (B) combined form at least 91 wt % of said polymer composition.
    Type: Application
    Filed: November 23, 2017
    Publication date: June 11, 2020
    Inventors: Katja KLIMKE, Andrey BURYAK, Ashish KUMAR
  • Patent number: 10435493
    Abstract: A multimodal polyethylene copolymer suitable for use in cable insulation comprising: (III) 45 to 55 wt % of a lower molecular weight component which is an ethylene copolymer of ethylene and at least one C3-12 alpha olefin comonomer, said LMW component having a density of 940 to 962 kg/m3 and an MFR2 of 50 to 500 g/10 min; (IV) 55 to 45 wt % of a higher molecular weight ethylene copolymer component of ethylene and at least one C3-12 alpha olefin comonomer; wherein said multimodal polyethylene copolymer has a density of 940 to 950 kg/m3, an MFR2 of 0.05 to 2.0 g/10 min and preferably at least one of crystallization half time>3.0 mins at 120.5° C., a crystallization half time>5.0 mins at 121° C. or a crystallization half time>10.0 mins at 122° C.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: October 8, 2019
    Assignees: Abu Dhabi Polymers Company Limited (Borouge) LLC, Borealis AG
    Inventors: Andrey Buryak, Ashish Kumar, Ibrahim Ali Ahmed
  • Patent number: 10414910
    Abstract: A multimodal polyethylene copolymer comprising: (III) 35 to 55 wt % of a lower molecular weight ethylene homopolymer component having an MFR2 of 200 to 400 g/10 min; (IV) 45 to 65 wt % of a higher molecular weight ethylene copolymer component of ethylene and at least one C3-12 alpha olefin comonomer; wherein said multimodal polyethylene copolymer has a density of 955 to 962 kg/m3, an MFR2 of 2.0 to 10 g/10 min and an Mw/Mn of more than 9.0.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: September 17, 2019
    Assignees: Abu Dhabi Polymers Company Limited (Borouge) LLC, Borealis AG
    Inventors: Andrey Buryak, Ashish Kumar
  • Patent number: 10087296
    Abstract: The present invention relates to a cable comprising a conductor surrounded by one or more layers, wherein at least one layer comprises a polymer composition comprising a copolymer of ethylene with one or more comonomers, to a process for producing the cable and to a polymer composition suitable as a cable layer material.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: October 2, 2018
    Assignee: BOREAUS AG
    Inventors: Carl-Gustav Ek, Anneli Pakkanen, Albrecht Dix, Thomas Steffl, Andrey Buryak
  • Publication number: 20180022905
    Abstract: A multimodal polyethylene copolymer comprising: (III) 35 to 55 wt % of a lower molecular weight ethylene homopolymer component having an MFR2 of 200 to 400 g/10 min; (IV) 45 to 65 wt % of a higher molecular weight ethylene copolymer component of ethylene and at least one C3-12 alpha olefin comonomer; wherein said multimodal polyethylene copolymer has a density of 955 to 962 kg/m3, an MFR2 of 2.0 to 10 g/10 min and an Mw/Mn of more than 9.0.
    Type: Application
    Filed: December 29, 2015
    Publication date: January 25, 2018
    Inventors: Andrey BURYAK, Ashish KUMAR
  • Publication number: 20170349685
    Abstract: A multimodal polyethylene copolymer suitable for use in cable insulation comprising: (III) 45 to 55 wt % of a lower molecular weight component which is an ethylene copolymer of ethylene and at least one C3-12 alpha olefin comonomer, said LMW component having a density of 940 to 962 kg/m3 and an MFR2 of 50 to 500 g/10 min; (IV) 55 to 45 wt % of a higher molecular weight ethylene copolymer component of ethylene and at least one C3-12 alpha olefin comonomer; wherein said multimodal polyethylene copolymer has a density of 940 to 950 kg/m3, an MFR2 of 0.05 to 2.0 g/10 min and preferably at least one of crystallization half time>3.0 mins at 120.5° C., a crystallization half time>5.0 mins at 121° C. or a crystallization half time>10.0 mins at 122° C.
    Type: Application
    Filed: December 29, 2015
    Publication date: December 7, 2017
    Inventors: Andrey BURYAK, Ashish KUMAR, Ibrahim ALI AHMED
  • Patent number: 9527934
    Abstract: The present application relates to a polyethylene composition comprising a base resin being a copolymer of ethylene with at least one alpha olefin comonomer having from 3 to 12 carbon atoms, the base resin having a density of more than 940.0 kg/m3 and equal to or less than 952.5 kg/m3, determined according to ISO 1 183-1:2004, wherein the composition has a melt flow rate MFR5 (190° C., 5 kg) of 0.10 to 3.0 g/10 min, determined according to ISO 1 133, a storage modulus of G (2 kPa) of 600 Pa to 900 Pa, a shear thinning index SHI2.7/210 of 20 to 50 and the composition has an elongation at break (EB) at ?45° C. in dependence of the molar comonomer content (mol. CC) of the base resin following the following equation EB[%]>175[%/mol %]·mol. CC[mol %], whereby the elongation at break (EB) is determined according to ISO 527-1 at a temperature of ?45° C. and the molar co-monomer content (mol.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: December 27, 2016
    Assignee: Borealis AG
    Inventors: Andrey Buryak, Kurt Stubenrauch
  • Patent number: 9441062
    Abstract: A multimodal polyethylene polymer having an MFR2 of 0.05 to 10.0 g/10 min, a density of 940 kg/m3 or more, a tensile modulus of 900 MPa or more wherein Formula (I).
    Type: Grant
    Filed: May 9, 2014
    Date of Patent: September 13, 2016
    Assignees: Abu Dhabi Polymers Company Limited (Borouge), LLC, Borealis AG
    Inventors: Andrey Buryak, Christian Rein, Luc Monnissen, Geir Kristian Johnsen, Joy Cheng
  • Publication number: 20160122448
    Abstract: The present application relates to a polyethylene composition comprising a base resin being a copolymer of ethylene with at least one alpha olefin comonomer having from 3 to 12 carbon atoms, the base resin having a density of more than 940.0 kg/m3 and equal to or less than 952.5 kg/m3, determined according to ISO 1 183-1:2004, wherein the composition has a melt flow rate MFRS (190° C., 5 kg) of 0.10 to 3.0 g/10 min, determined according to ISO 1 133, a storage modulus of G? (2 kPa) of 600 Pa to 900 Pa, a shear thinning index SHI2.7/210 of 20 to 50 and the composition has an elongation at break (EB) at ?45° C. in dependence of the molar comonomer content (mol. CC) of the base resin following the following equation EB [%]?175 [%/mol %]·mol. CC [mol %], whereby the elongation at break (EB) is determined according to ISO 527-1 at a temperature of ?45° C. and the molar co-monomer content (mol.
    Type: Application
    Filed: September 24, 2014
    Publication date: May 5, 2016
    Applicant: Borealis AG
    Inventors: Andrey Buryak, Kurt Stubenrauch
  • Publication number: 20160083488
    Abstract: A multimodal polyethylene polymer having an MFR2 of 0.05 to 10.0 g/10 min, a density of 940 kg/m3 or more, a tensile modulus of 900 MPa or more wherein Formula (I).
    Type: Application
    Filed: May 9, 2014
    Publication date: March 24, 2016
    Applicants: BOREALIS AG, ABU DHABI POLYMERS COMPANY LIMITED (BOROUGE) L.L.C.
    Inventors: Andrey BURYAK, Christian REIN, Luc MONNISSEN, Geir Kristian JOHNSEN, Joy CHENG
  • Publication number: 20160060411
    Abstract: The present invention relates to a cable comprising a conductor surrounded by one or more layers, wherein at least one layer comprises a polymer composition comprising a copolymer of ethylene with one or more comonomers, to a process for producing the cable and to a polymer composition suitable as a cable layer material.
    Type: Application
    Filed: November 3, 2015
    Publication date: March 3, 2016
    Inventors: CARL-GUSTAV EK, ANNELI PAKKANEN, ALBRECHT DIX, THOMAS STEFFL, ANDREY BURYAK
  • Patent number: 8759448
    Abstract: A high density polyethylene moulding composition having a multimodal molecular weight distribution, having a density according to ISO 1183 at 23° C. in the range of 945 to 965 kg/m3 and an MFR190/2 according to ISO 1133 in the range of 0.05 to 25 g/10 min, said polyethylene moulding composition comprising at least three ethylene polymer fractions having distinct molecular weights: A) 15 to 50 wt % of a low molecular weight ethylene homopolymer fraction with a weight average molecular weight Mw in the range of 15 to 40 kg/mol; B) 15 to 50 wt % of a medium molecular weight ethylene homopolymer fraction with a weight average molecular weight Mw in the range of 70 to 180 kg/mol; and C) 15 to 50 wt % of a high molecular weight ethyleve copolymer fraction with a weight average molecular weight Mw in the range of 200 to 400 kg/mol; and wherein the composition has: a tensile modulus according to ISO 527-2: 1993 measured on compression moulded samples of at least 800 MPa; a Charpy impact strength CIS (23° C.
    Type: Grant
    Filed: January 27, 2011
    Date of Patent: June 24, 2014
    Assignee: Borealis AG
    Inventors: Andrey Buryak, Albrecht Dix, Balakantha Rao Kona
  • Patent number: 8674024
    Abstract: A polyethylene moulding composition having a multimodal molecular weight distribution, having a density according to ISO 1183 at 23° C. in the range of 920 to 960 kg/m3 and an MFR190/2 according to ISO 1133 in the range of 0.
    Type: Grant
    Filed: January 27, 2011
    Date of Patent: March 18, 2014
    Assignee: Borealis AG
    Inventors: Andrey Buryak, Albrecht Dix, Magnus Palmlof, Anneli Pakkanen, Christian Piel, Ayodele Olutayo Fiola, Tore Dreng, Janne Maaranen, Alexander Krajete, Susana Filipe
  • Publication number: 20130030125
    Abstract: A polyethylene moulding composition having a multimodal molecular weight distribution, having a density according to ISO 1183 at 23° C. in the range of 920 to 960 kg/m3 and an MFR190/2 according to ISO 1133 in the range of 0.
    Type: Application
    Filed: January 27, 2011
    Publication date: January 31, 2013
    Applicant: BOREALIS AG
    Inventors: Andrey Buryak, Albrecht Dix, Magnus Palmlof, Anneli Pakkanen, Christian Piel, Ayodele Olutayo Fiola, Tore Dreng, Janne Maaranen, Alexander Krajete, Susana Filipe
  • Publication number: 20130018154
    Abstract: A high density polyethylene moulding composition having a multimodal molecular weight distribution, having a density according to ISO 1183 at 23° C. in the range of 945 to 965 kg/m3 and an MFR190/2 according to ISO 1133 in the range of 0.05 to 25 g/10 min, said polyethylene moulding composition comprising at least three ethylene polymer fractions having distinct molecular weights: A) 15 to 50 wt % of a low molecular weight ethylene homopolymer fraction with a weight average molecular weight Mw in the range of 15 to 40 kg/mol; B) 15 to 50 wt % of a medium molecular weight ethylene homopolymer fraction with a weight average molecular weight Mw in the range of 70 to 180 kg/mol; and C) 15 to 50 wt % of a high molecular weight ethyleve copolymer fraction with a weight average molecular weight Mw in the range of 200 to 400 kg/mol; and wherein the composition has: a tensile modulus according to ISO 527-2: 1993 measured on compression moulded samples of at least 800 MPa; a Charpy impact strength CIS (23° C.
    Type: Application
    Filed: January 27, 2011
    Publication date: January 17, 2013
    Applicant: BOREALIS AG
    Inventors: Andrey Buryak, Albrecht Dix, Balakantha Rao Kona
  • Publication number: 20110253418
    Abstract: The present invention relates to a cable comprising a conductor surrounded by one or more layers, wherein at least one layer comprises a polymer composition comprising a copolymer of ethylene with one or more comonomers, to a process for producing the cable and to a polymer composition suitable as a cable layer material.
    Type: Application
    Filed: October 12, 2009
    Publication date: October 20, 2011
    Applicant: BOREALIS AG
    Inventors: Carl-Gustav Ek, Anneli Pakkanen, Albrecht Dix, Thomas Steffl, Andrey Buryak