Patents by Inventor Ulf Torgersen

Ulf Torgersen 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: 8557920
    Abstract: The present invention relates to a polymer composition, comprising (i) a polypropylene homopolymer, (ii) a polypropylene random copolymer, prepared by copolymerization of propylene with an olefin comonomer and having an amount of olefin comonomer units of 0.2 to 5 wt %, and (iii) an elastomeric copolymer of propylene and at least one olefin comonomer, the polymer composition having a tensile modulus, determined according to ISO 527-2/1 B at 1 mm/min. and 230 C, of at least 1200 MPa.
    Type: Grant
    Filed: May 11, 2006
    Date of Patent: October 15, 2013
    Assignee: Borealis Technology Oy
    Inventors: Kauno Alastalo, Carl-Gustaf Ek, Bo Malm, Ulf Torgersen, Olli Tuominen
  • Patent number: 8546692
    Abstract: The present invention relates to a semiconductive polymer composition having easily controllable stripping characteristics, especially for an electric power cable. The semiconductive polymer composition has an ethylene copolymer having polar co-monomer units, wherein the amount of the polar co-monomer units in the ethylene copolymer is 10 wt. % or more, based on the total weight of the ethylene copolymer; an olefin copolymer having propylene monomer units and ethylene monomer units, wherein the olefin copolymer has a melting point of 110° C. or less, and carbon black in an amount of from 10 to 50 wt. %, based on the total weight of the semiconductive polymer composition, wherein the olefin copolymer (B) is prepared by using a metallocene polymerization catalyst.
    Type: Grant
    Filed: May 4, 2009
    Date of Patent: October 1, 2013
    Assignee: Borealis AG
    Inventors: Ulf Torgersen, Ola Fagrell, Karl-Michael Jäger, Eric Marsden, Dominic Kung
  • Patent number: 8513525
    Abstract: The present invention relates to a semiconductive polymer composition having easily controllable stripping characteristics, especially for an electric power cable. The semiconductive polymer composition has an ethylene copolymer having polar co-monomer units, wherein the amount of the polar co-monomer units in the ethylene copolymer is 10 wt. % or more, based on the total weight of the ethylene copolymer; an olefin copolymer having propylene monomer units and monomer units of an alpha-olefin having at least 4 carbon atoms, wherein the olefin copolymer has a melting point of 110 ° C. or less, and carbon black in an amount of from 10 to 50 wt. %, based on the total weight of the semiconductive polymer composition, wherein the olefin copolymer (B) is prepared by using a metallocene polymerization catalyst.
    Type: Grant
    Filed: May 4, 2009
    Date of Patent: August 20, 2013
    Assignee: Borealis AG
    Inventors: Ulf Torgersen, Ola Fagrell, Karl-Michael Jäger, Eric Marsden, Dominic Kung
  • Patent number: 8389654
    Abstract: The present invention relates to a polymer composition, comprising (i) a polypropylene homopolymer, (ii) a polypropylene random copolymer, prepared by copolymerization of propylene with an olefin comonomer and having an amount of olefin comonomer units of 0.2 to 5 wt %, and (iii) an elastomeric copolymer of propylene and at least one olefin comonomer, the polymer composition having a tensile modulus, determined according to ISO 527-2/1B at 1 mm/min. and 23° C., of at least 1200 MPa.
    Type: Grant
    Filed: July 1, 2010
    Date of Patent: March 5, 2013
    Assignee: Borealis Technology Oy
    Inventors: Kauno Alastalo, Carl-Gustaf Ek, Bo Malm, Ulf Torgersen, Olli Tuominen
  • Patent number: 8319102
    Abstract: The present invention relates to a Insulation layer for cables, a composition and a process thereof, showing improved stress whitening resistance by maintaining good mechanical and electrical properties and being environmental friendly.
    Type: Grant
    Filed: April 11, 2007
    Date of Patent: November 27, 2012
    Assignee: Borealis Technology Oy
    Inventors: Christelle Grein, Magnus Palmlof, Markus Gahleitner, Bernt-Ake Sultan, Ulf Torgersen
  • Publication number: 20110162868
    Abstract: The present invention relates to a semiconductive polymer composition having easily controllable stripping characteristics, especially for an electric power cable. The semiconductive polymer composition comprises an ethylene copolymer comprising polar co-monomer units, wherein the amount of the polar co-monomer units in the ethylene copolymer is 10 wt. % or more, based on the total weight of the ethylene copolymer; an olefin copolymer comprising propylene monomer units and ethylene monomer units, wherein the olefin copolymer has a melting point of 110° C. or less, and carbon black in an amount of from 10 to 50 wt. %, based on the total weight of the semiconductive polymer composition, wherein the olefin copolymer (B) is prepared by using a metallocene polymerisation catalyst. The composition provides improved strippability and mechanical as well as electrical property profile.
    Type: Application
    Filed: May 4, 2009
    Publication date: July 7, 2011
    Inventors: Ulf Torgersen, Ola Fagrell, Karl-Michael Jäger, Eric Marsden, Dominic Kung
  • Publication number: 20110114365
    Abstract: The present invention relates to a semiconductive polymer composition having easily controllable stripping characteristics, especially for an electric power cable. The semiconductive polymer composition comprises an ethylene copolymer comprising polar co-monomer units, wherein the amount of the polar co-monomer units in the ethylene copolymer is 10 wt. % or more, based on the total weight of the ethylene copolymer; an olefin copolymer comprising propylene monomer units and monomer units of an alpha-olefin having at least 4 carbon atoms, wherein the olefin copolymer has a melting point of 110° C. or less, and carbon black in an amount of from 10 to 50 wt. %, based on the total weight of the semiconductive polymer composition, wherein the olefin copolymer (B) is prepared by using a metallocene polymerisation catalyst. The composition provides improved strippability and enhanced mechanical as well as electrical property profile.
    Type: Application
    Filed: May 4, 2009
    Publication date: May 19, 2011
    Inventors: Ulf Torgersen, Karl-Michael Jäger, Ola Fagrell, Eric Marsden, Dominic Kung
  • Publication number: 20100267877
    Abstract: The present invention relates to a polymer composition, comprising (i) a polypropylene homopolymer, (ii) a polypropylene random copolymer, prepared by copolymerization of propylene with an olefin comonomer and having an amount of olefin comonomer units of 0.2 to 5 wt %, and (iii) an elastomeric copolymer of propylene and at least one olefin comonomer, the polymer composition having a tensile modulus, determined according to ISO 527-2/1B at 1 mm/min. and 23° C., of at least 1200 MPa.
    Type: Application
    Filed: July 1, 2010
    Publication date: October 21, 2010
    Inventors: Kauno Alastalo, Carl-Gustaf Ek, Bo Malm, Ulf Torgersen, Olli Tuominen
  • Publication number: 20100022715
    Abstract: The present invention relates to a Insulation layer for cables, a composition and a process thereof, showing improved stress whitening resistance by maintaining good mechanical and electrical properties and being environmental friendly.
    Type: Application
    Filed: April 11, 2007
    Publication date: January 28, 2010
    Inventors: Christelle Grein, Magnus Palmlof, Markus Gahleitner, Bernt-Ake Sultan, Ulf Torgersen
  • Publication number: 20060052541
    Abstract: The present invention relates to a process for producing a polyolefin with improved surface hardness and scratch resistance, and to the use of such polyolefin. More specifically, the invention relates to a process for producing a polyolefin on the basis of a polypropylene matrix material including bimodal rubber compositions.
    Type: Application
    Filed: June 25, 2002
    Publication date: March 9, 2006
    Inventors: Erling Hagen, Ulf Torgersen, Gerald Rohaczek, Asbjorn Iveland