Patents by Inventor Laurie Huhtanen

Laurie Huhtanen 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).

  • Polymerisation process
    Patent number: 9469708
    Abstract: A process for the preparation of a propylene homopolymer comprising polymerizing propylene in the presence of a catalyst comprising: (i) a metallocene complex of a group (IV) metal said metallocene comprising at least two cyclopentadienyl type ligands; (ii) a boron cocatalyst; and (iii) an aluminoxane cocatalyst; said catalyst being in solid form, preferably in solid particulate form, and being free from an external carrier; preferably wherein the melting point of the propylene polymer is controlled by adjusting the amount of or nature of the boron cocatalyst.
    Type: Grant
    Filed: October 17, 2013
    Date of Patent: October 18, 2016
    Assignee: Borealis AG
    Inventors: Pascal Castro, Kalle Kallio, Laurie Huhtanen, Ville Virkkunen, Noureddine Ajellal
  • POLYMERISATION PROCESS
    Publication number: 20150337060
    Abstract: A process for the preparation of a propylene homopolymer comprising polymerising propylene in the presence of a catalyst comprising: (i) a metallocene complex of a group (IV) metal said metallocene comprising at least two cyclopentadienyl type ligands; (ii) a boron cocatalyst; and (iii) an aluminoxane cocatalyst; said catalyst being in solid form, preferably in solid particulate form, and being free from an external carrier; preferably wherein the melting point of the propylene polymer is controlled by adjusting the amount of or nature of the boron cocatalyst.
    Type: Application
    Filed: October 17, 2013
    Publication date: November 26, 2015
    Applicant: BOREALIZ AG
    Inventors: Pascal Castro, Kalle Kallio, Laurie Huhtanen, Ville Virkkunen