Patents by Inventor Frank K{umlaut over (u)}ber

Frank K{umlaut over (u)}ber 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).

  • Process for preparing a metallocene catalyst system
    Patent number: 6177376
    Abstract: The present invention relates to a process for preparing a metallocene catalyst system, which comprises reacting a metallocene starting compound in a solvent with a compound capable of transferring hydrocarbon radicals and converting the resulting metallocene compound which is &sgr;-substituted by one or more hydrocarbon radicals in solution without isolation into a polymerization-active catalyst system by means of an activator.
    Type: Grant
    Filed: January 29, 1998
    Date of Patent: January 23, 2001
    Assignee: Targor GmbH
    Inventors: Cornelia Fritze, Hans Bohnen, Frank K{umlaut over (u)}ber