Patents by Inventor Christine Schliessburg

Christine Schliessburg 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).

  • Metallocenes with silyl-substituted bridges and their use for olefin polymerization
    Patent number: 5945367
    Abstract: The invention pertains to metallocenes of formula (I), wherein M is a metal group of the group of Ti, Zr, Hf, V, Nb and Ta or an element from the group of lanthanides; X.sub.1 and X.sub.2 stand for an alkyl, alkoxy, aryl, aryloxy, alkenyl, arylalkyl, alkylaryl or arylalkenyl group, hydrogen or halogen; L.sub.1 and L.sub.2 stand for a hydrocarbon which can form a sandwich structure with M; R stands for C, Si, Ge or Sn; and A and B stand for a trimethylsilyl radical, B optionally for an alkyl or aryl radical.
    Type: Grant
    Filed: December 22, 1997
    Date of Patent: August 31, 1999
    Assignee: Borealis AG
    Inventors: Karl Heinz Thiele, Christine Schliessburg, Eberhard Ernst, Jens Reussner, Benno Bildstein, Peter Denifl