Patents by Inventor Annika Smedberg

Annika Smedberg 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).

  • Patent number: 9212240
    Abstract: The present invention relates to an equipment and method for producing polymer pellets which comprise one or more polymer components and one or more further components, wherein in said process at least one of said one or more further components is incorporated into pellets by applying a liquid, which comprises said at least one component, onto said pellets.
    Type: Grant
    Filed: August 6, 2008
    Date of Patent: December 15, 2015
    Assignee: Borealis Technology Oy
    Inventors: Mats Göransson, Richard Handwerk, Sune Larsson, Annika Smedberg, James Stadelman
  • Patent number: 9212277
    Abstract: A cable comprising a semiconductive layer and an insulation layer with improved DC electrical properties is provided.
    Type: Grant
    Filed: November 3, 2010
    Date of Patent: December 15, 2015
    Assignee: BOREALIS AG
    Inventors: Ulf Nilsson, Annika Smedberg, Alfred Campus
  • Patent number: 9115227
    Abstract: The invention relates to a method for producing a polymer using a chain transfer agents. In particular, the invention relates to a process for polymerizing a polymer in the presence of a mixture of at least two chain transfer agents, which mixture comprises a polar chain transfer agent (polar CTA), and a non-polar (non-polar CTA).
    Type: Grant
    Filed: July 8, 2009
    Date of Patent: August 25, 2015
    Assignee: Borealis AG
    Inventors: Alfred Campus, Markus Huber, Ulf Nilsson, Hermann Schild, Annika Smedberg, Bjorn Voigt
  • Patent number: 9109064
    Abstract: The present invention relates to an ethylene homo- or copolymerization process, characterized in that an inhibitor is added to the reaction mixture or any of its components before the reaction mixture is fed to the reaction zone. The present invention further relates to the use of an inhibitor to reduce fouling in an ethylene homo- or copolymerization process.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: August 18, 2015
    Assignee: BOREALIS AG
    Inventors: Thomas Hjertberg, Torbjorn Magnusson, Bjorn Voigt, Mattias Bergqvist, Kenneth Johansson, Marcus Kierkegaard, Annika Smedberg
  • Publication number: 20150031843
    Abstract: The present invention relates to an ethylene homo- or copolymerization process, characterized in that an inhibitor is added to the reaction mixture or any of its components before the reaction mixture is fed to the reaction zone. The present invention further relates to the use of an inhibitor to reduce fouling in an ethylene homo- or copolymerization process.
    Type: Application
    Filed: March 12, 2013
    Publication date: January 29, 2015
    Inventors: Thomas Hjertberg, Torbjorn Magnusson, Bjorn Voigt, Mattias Bergqvist, Kenneth Johansson, Marcus Kierkegaard, Annika Smedberg
  • Patent number: 8912284
    Abstract: The present invention relates to a crosslinkable polymer composition, comprising (i) an unsaturated polyolefin having a total amount of carbon-carbon double bonds/1000 carbon atoms of more than 0.37, and (ii) a polar copolymer.
    Type: Grant
    Filed: June 1, 2006
    Date of Patent: December 16, 2014
    Assignee: Borealis Technology Oy
    Inventors: Jan-Ove Boström, Annika Smedberg
  • Patent number: 8866016
    Abstract: A Polymer Composition comprising at least one unsaturated polymer, and optionally a crosslinking agent.
    Type: Grant
    Filed: July 8, 2009
    Date of Patent: October 21, 2014
    Assignee: Borealis AG
    Inventors: Annika Smedberg, Claes Broman
  • Patent number: 8802780
    Abstract: The present invention relates to a process for the preparation of an article, comprising the following steps: (a) providing a component (i) which comprises a blend of (a1) an unsaturated first polyolefin having a certain total amount m1 of carbon-carbon double bonds/1000 carbon atoms, (a2) a crosslinking agent, (a3) optionally an unsaturated low molecular weight compound having a certain total amount m2 carbon-carbon double bonds/1000 carbon atoms, (b) providing a component (ii) which comprises a second polymer having a certain total amount m3 of carbon-carbon double bonds/1000 carbon atoms, wherein m1, m2 and m3 satisfy a certain relationship, (c) forming a blend of component (i) and component (ii) wherein the weight ratio of the component (i) to the component (ii) is within the range of 10:90 to 99:1, (d) applying one or more layers of the blend onto a substrate.
    Type: Grant
    Filed: December 17, 2008
    Date of Patent: August 12, 2014
    Assignee: Borealis Technology Oy
    Inventors: Nigel Hampton, Annika Smedberg
  • Publication number: 20140199547
    Abstract: The invention relates to a crosslinkable semiconductive polymer composition comprising (a) a polyolefin, carbon black and a compound (b), to a cable, preferably to a crosslinkable comprising the polymer composition, to a production thereof, and preferably to a crosslinked cable comprising the polymer composition of the invention.
    Type: Application
    Filed: August 17, 2011
    Publication date: July 17, 2014
    Applicant: BOREALIS AG
    Inventors: John Jamieson, Annika Smedberg, Christer Svanberg, Jenny-Ann Ostlund, Ola Fagrell, Perry Nylander, Takashi Uematsu, Thomas Hjertberg, Thomas Steffel
  • Patent number: 8722763
    Abstract: The present invention relates to a process for preparing a polymer composition by using a masterbatch, as well as a process, wherein said polymer composition is used for preparing an article, preferably a cable. Also a masterbatch, a polymer composition comprising the masterbatch, and an article, preferably a cable, comprising the polymer composition are provided.
    Type: Grant
    Filed: December 21, 2009
    Date of Patent: May 13, 2014
    Assignee: Borealis AG
    Inventors: Annika Smedberg, Philippe Ravera, Ulf Nilsson
  • Publication number: 20140093732
    Abstract: The present invention relates to a polymer composition, to the use of the composition for producing an electrical device, as well as to a cable surrounded by at least one layer including the polymer composition.
    Type: Application
    Filed: May 3, 2012
    Publication date: April 3, 2014
    Applicant: BOREALIS AG
    Inventors: Johan Andersson, Villgot Englund, Per-Ola Hagstrand, Ulf Nilsson, Annika Smedberg, Thomas Steffl, Johannes Wolfschwenger
  • Publication number: 20140069689
    Abstract: The present invention relates to a polymer composition with improved electrical properties and to a use thereof preferably in electrical devices as well as to a cable surrounded by at least one layer including the polymer composition.
    Type: Application
    Filed: May 5, 2012
    Publication date: March 13, 2014
    Applicant: BOREALIS AG
    Inventors: Johan Andersson, Villgot Englund, Per-Ola Hagstrand, Ulf Nilsson, Annika Smedberg, Thomas Steffl
  • Patent number: 8650742
    Abstract: The application relates to a process for preparing a crosslinked cable, including: —applying one or more layers including a polymer composition on a conductor, wherein at least one layer includes one or more free radical generating agents, —crosslinking by radical reaction said at least one layer including said free radical generating agent(s), —cooling the obtained crosslinked cable in pressurized conditions, and —reducing or removing the content of volatile decomposition products(s), which are originating from optionally in elevated temperature, from the crosslinked cable obtained from cooling and recovery step.
    Type: Grant
    Filed: July 10, 2008
    Date of Patent: February 18, 2014
    Assignee: Borealis Technology Oy
    Inventor: Annika Smedberg
  • Publication number: 20130323412
    Abstract: The present invention relates to an equipment and method for producing polymer pellets which comprise one or more polymer components and one or more further components, wherein in said process at least one of said one or more further components is incorporated into pellets by applying a liquid, which comprises said at least one component, onto said pellets.
    Type: Application
    Filed: August 5, 2013
    Publication date: December 5, 2013
    Applicant: Borealis Technology OY
    Inventors: Mats Göransson, Richard Handwerk, Sune Larsson, Annika Smedberg, James Stadelman
  • Publication number: 20130284486
    Abstract: The invention relates to a use of a polymer composition for producing an insulation layer of an AC power cable with and to an AC cable surrounded by at least an insulating layer comprising said polymer composition.
    Type: Application
    Filed: November 1, 2011
    Publication date: October 31, 2013
    Applicant: BOREALIS AG
    Inventors: Ulf Nilsson, Annika Smedberg, Alfred Campus
  • Patent number: 8501864
    Abstract: The present invention relates to an insulating composition for an electric power cable which comprises a polyolefin, an antioxidant, and a polar copolymer. Further, the present invention relates to an electric power cable comprising an insulating layer including a composition according to the present invention, and to the use of a polar copolymer for improving the storage stability, i.e. reducing the exudation of an antioxidant, in an insulating polymer composition. Thereby, said composition comprises polar monomer units in a comparatively small amount, e.g. in an amount of polar monomer units in the total polymer part of the composition from 1 to 100 micromol (1·10?6 to 100·106 mol) per gram of polymer in addition to an antioxidant.
    Type: Grant
    Filed: May 24, 2005
    Date of Patent: August 6, 2013
    Assignee: Borealis Technology Oy
    Inventors: Gustaf Åkermark, Bernt-Ake Sultan, Annika Smedberg
  • Publication number: 20130081854
    Abstract: The invention relates to a use of a polymer composition with improved DC electrical properties in a power cable layer and to a cable surrounded by at least one layer comprising the polymer composition.
    Type: Application
    Filed: March 1, 2011
    Publication date: April 4, 2013
    Applicant: BOREALIS AG
    Inventors: Villgot Englund, Per-Ola Hagstrand, Ulf Nilsson, Annika Smedberg, Jan-Ove Bostrom, Andreas Farkas, Gustavo Dominguez
  • Patent number: 8399049
    Abstract: The application relates to a process for preparing a crosslinked cable, including:—applying one or more layers including a polymer composition on a conductor, wherein at least one layer includes one or more free radical generating agents,—crosslinking by radical reaction said at least one layer comprising said free radical generating agent(s),—cooling the obtained crosslinked cable in pressurized conditions.
    Type: Grant
    Filed: July 10, 2008
    Date of Patent: March 19, 2013
    Assignee: Borealis Technology Oy
    Inventors: Paul Laurenson, Detlef Wald, Erik Perzon, John Jamieson, Siegfried Wegener, Rudi Peters, Annika Smedberg, Lieve Michiels, Jan-Ove Bosstrom
  • Publication number: 20130000947
    Abstract: A polymer composition with improved DC electrical properties and a cable surrounded by at least one layer comprising the polymer composition are provided.
    Type: Application
    Filed: November 3, 2010
    Publication date: January 3, 2013
    Applicant: BOREALIS AG
    Inventors: Annika Smedberg, Birgitta Kallstrand, Ulf Nilsson, Per-Ola Hagstrand, Villgot Englund, Gustavo Dominguez, Carl-Olof Olsson, Liu Rongsheng, Marc Jeroense
  • Publication number: 20120305284
    Abstract: A crosslinkable and crosslinked polymer composition with improved DC electrical properties and a cable surrounded by at least one layer comprising the polymer composition are provided.
    Type: Application
    Filed: November 3, 2010
    Publication date: December 6, 2012
    Applicant: BOREALIS AG
    Inventors: Ulf Nilsson, Annika Smedberg, Alfred Campus