Patents by Inventor Ingo Wartusch

Ingo Wartusch 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 ferrocenyl-substituted bridges used in olefin polymerization
    Patent number: 6239299
    Abstract: The invention relates to metallocenes of formula (I), in which M is a metal from the Ti, Zr, Hf, V, Nb, Ta group or an element from the lanthanide group, X1 and X2 stand for an alkyl-, aryl-, alkenyl-, arylalkyl-, alkylaryl- or arylalkenyl group and L1 and L2 are hydrocarbon capable of forming a sandwich structure with M. R stands for C, Si, Ge or Sn, A and B are ferrocenyl-substituted radicals, or B is optionally a radical X1 of X2. The metallocenes are preferably used as catalysts in the polymerization of olefins.
    Type: Grant
    Filed: March 24, 2000
    Date of Patent: May 29, 2001
    Assignee: Borealis Technology Oy
    Inventors: Herwig Schottenberger, Ingo Wartusch, Eberhard Ernst, Jens Reussner