Patents by Inventor Jan Göhre

Jan Göhre 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).

  • Method for producing highly branched ethylene polymers
    Patent number: 7259216
    Abstract: A process for preparing highly branched ethylene polymers comprises polymerizing ethylene over a catalyst system comprising a compound of the formula Ia or Ib and an activator, where the process is carried out at from 40 to 110° C. and a pressure of from 10 to 100 bar.
    Type: Grant
    Filed: September 28, 2001
    Date of Patent: August 21, 2007
    Assignee: Basell Polyolefine GmbH
    Inventors: Sharam Mihan, Dieter Lilge, Jan Göhre
  • Catalysts containing organochromium compounds and their use for polymerizing alkenes
    Patent number: 6255418
    Abstract: Novel donor ligand substituted &eegr;5-organyl chromium complexes which, in admixture with Lewis acids, such as methylaluminoxane, form highly active polymerization catalysts for &agr;-alkenes and mixtures thereof and for mixtures of &agr;-alkenes and unsaturated alkenes with a strained double bond.
    Type: Grant
    Filed: January 22, 1999
    Date of Patent: July 3, 2001
    Assignee: Studiengesellschaft Kohle mbH
    Inventors: Peter W. Jolly, Klaus Jonas, Glenn P. J. Verhovnik, Arno Döhring, Jan Göhre, Jan Christoph Weber