Patents by Inventor Jarmo Harjuntausta

Jarmo Harjuntausta 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).

  • POLYETHYLENE COMPOSITION FOR PIPE APPLICATIONS WITH IMPROVED SAGGING PROPERTIES
    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
  • Polyethylene composition for pipe applications with improved sagging and extrusion properties
    Patent number: 10889697
    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; wherein the low molecular weight component (A-1) has a melt flow rate MFR2 (190° C., 2.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: January 12, 2021
    Assignees: ABU DHABI POLYMERS CO. LTD (BOROUGE) L.L.C., BOREALIS AG
    Inventors: Antti Tynys, Mohana Murali Adhyatma Bhattar, Jarmo Harjuntausta
  • POLYETHYLENE COMPOSITION FOR PIPE APPLICATIONS WITH IMPROVED SAGGING PROPERTIES
    Publication number: 20170002187
    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: December 22, 2014
    Publication date: January 5, 2017
    Inventors: Antti TYNYS, Jarmo HARJUNTAUSTA, Mohana Murali ADHYATMA BHATTAR
  • Layer for Pipes Made of Multimodal Polyethylene Composition
    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
  • Polyproylene of Improved Processability for Production of Pipes
    Publication number: 20080214704
    Abstract: The present invention relates to a polymer composition, comprising (i) a polypropylene-based matrix which comprises a polypropylene random copolymer prepared by copolymerization of propylene with an olefin comonomer, wherein the amount of olefin comonomer units is within the range of (0.2) wt % to (5) wt %, based on the weight of the polypropylene-based matrix, and (ii) an elastomeric copolymer of propylene and at least one olefin comonomer, the polymer composition having a storage modulus G1 at a loss modulus G?=5 kPa of G?(5 kPa)<(3100) Pa, measured at (220° C.).
    Type: Application
    Filed: May 11, 2006
    Publication date: September 4, 2008
    Inventors: Jarmo Harjuntausta, Carl-Gustaf Ek, Kauno Alastalo, Kenneth Lund