Patents by Inventor Emil HJÄRTFORS

Emil HJÄRTFORS 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: 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
  • Publication number: 20210366631
    Abstract: The invention relates to a semiconductive polymer composition comprising a polymer component, a conducting component and a crosslinking agent, wherein the polymer component comprises a polar polyethylene and the crosslinking agent comprises an aliphatic mono- or bifunctional peroxide or, alternatively, a monofunctional peroxide containing an aromatic group, and the crosslinking agent is present in an amount which is Z wt %, based on the total amount (100 wt %) of the polymer composition, and Z1?Z?Z2, wherein Z1 is 0.01 and Z2 is 5.0, an article being e.g. a cable, e.g. a power cable, and processes for producing a semiconductive polymer composition and an article; useful in different end applications, such as wire and cable (W&C) applications.
    Type: Application
    Filed: December 18, 2018
    Publication date: November 25, 2021
    Inventors: Fredrik SKOGMAN, Emil HJÄRTFORS, Annika SMEDBERG, Daniel NILSSON
  • Publication number: 20210163644
    Abstract: The invention relates to a polyethylene which contains a total amount of vinyl groups which is B vinyl groups per 1000 carbon atoms, and B1?B, wherein B1 is 0.30; and has a complex viscosity (?*) at 0.05 rad/sec, which is X Pas, and X1?X?X2, wherein X1 is 10000 and X2 is 30000; and has a complex viscosity (?*) at 300 rad/sec, which is Y Pas, and Y1?Y?Y2, wherein Y1 is 5 and Y2 is 350, both complex viscosities (?*) are determined according to method ISO 6721-1 on stabilised samples of the polyethylene, 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: Application
    Filed: December 18, 2018
    Publication date: June 3, 2021
    Inventors: Annika SMEDBERG, Villgot ENGLUND, Emil HJÄRTFORS
  • Publication number: 20210163638
    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: Application
    Filed: December 18, 2018
    Publication date: June 3, 2021
    Inventors: Annika SMEDBERG, Emil HJÄRTFORS, Villgot ENGLUND, Per-Ola HAGSTRAND, Bernt-Åke SULTAN, Thomas HJERTBERG