Patents by Inventor Jürgen Giesemann

Jürgen Giesemann 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).

  • Copolymerization of conjugated dienes with non-conjugated olefins by means of rare earth catalysts
    Patent number: 6706830
    Abstract: The present invention relates to a process for the copolymerization of conjugated diolefins with non-conjugated olefins in the presence of rare earth metal catalysts. The advantages of the process according to the invention are in particular the high selectivity, good space-time yield and the possibility of being able to vary the reaction conditions within a wide range.
    Type: Grant
    Filed: April 21, 2003
    Date of Patent: March 16, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heike Windisch, Gerd Sylvester, Rudolf Taube, Steffen Maiwald, Jürgen Giesemann, Thomas Rosenstock