Patents by Inventor Bernt-?ke Sultan

Bernt-?ke Sultan 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).

  • Cable insulation
    Patent number: 11462340
    Abstract: The present invention relates to a wire or cable comprising a conductor coated with an insulation composition, wherein said insulation composition comprises: i) a polyethylene copolymer having a melting point of 105° C. or less; and ii) a hindered amine light stabiliser (HALS) comprising at least one 2,2,6,6-tetramethyl-piperidinyl group present in an amount of 0.5 to 1.5 wt %.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: October 4, 2022
    Assignee: BOREALIS AG
    Inventors: Mattias Berqvist, Bernt-Åke Sultan
  • Polyethylene with a high vinyl content and with a low MFR
    Patent number: 11286315
    Abstract: The invention relates to a polyethylene having a melt flow rate at (2.16) kg loading (MFR2), determined according to method ISO1133-1:2011, which MFR2 is A g/10 min and A1?A?A2; wherein A1 is (0.5) and A2 is (1.70), and containing a total amount of vinyl groups which is B vinyl groups per (1000) carbon atoms, and B1?B, wherein B1 is (0.45), determined according to method ASTM D6248-98, a polymer composition, an article being e.g. a cable, e.g. a power cable, and processes for producing a polyethylene, a polymer composition and an article, and an article; useful in different end applications, such as wire and cable (W&C) applications.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: March 29, 2022
    Assignee: Borealis AG
    Inventors: Annika Smedberg, Emil Hjärtfors, Villgot Englund, Per-Ola Hagstrand, Bernt-Åke Sultan, Thomas Hjertberg
  • Flame retardant polypropylene composition
    Patent number: 10626261
    Abstract: The present invention relates to a flame retardant polypropylene composition for a conduit, appliance, and/or automotive wire, comprising a flame retardant composition comprising: a) a base resin comprising a heterophasic propylene copolymer which comprises a polypropylene homo- or copolymer matrix and an ethylene propylene rubber dispersed in said matrix, and b) a metal hydroxide or hydrated compound, wherein the heterophasic propylene copolymer has a MFR2 below 0.8 g/10 min and a xylene cold soluble (XCS) fraction content between 1 and 15 wt % based on the total weight of the heterophasic propylene copolymer.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: April 21, 2020
    Assignee: BOREALIS AG
    Inventors: Linus Karlsson, Bernt-Åke Sultan, Fredrik Skogman, Joerg H. M. Ruder, Claus Beisert
  • Crosslinkable high pressure polyethylene composition, a process for the preparation thereof, a pipe and a cable prepared thereof
    Patent number: 8017710
    Abstract: The present invention relates to a crosslinkable high pressure polyethylene composition containing ethylene silane copolymer resin having a content of silane of about 0.1 to 10 weight % and at least one silanol condensation catalyst. The invention further relates to a process for the preparation thereof, to a pipe made of said composition and to the use of the composition as an insulation for a cable.
    Type: Grant
    Filed: August 28, 2004
    Date of Patent: September 13, 2011
    Assignee: Borealis Technology Oy
    Inventors: Bernt-Åke Sultan, Jeroen Oderkerk, Kenneth Johansson, Jonas Jungkvist