Patents by Inventor Ralf Kastner

Ralf Kastner 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).

  • Patent number: 7388119
    Abstract: The present invention relates to a process for the hydrogenation of substituted or unsubstituted, monocyclic or polycyclicaromatics to form the corresponding cycloaliphatics, in particular of benzene to cyclohexane, by bringing the aromatic into contact with a hydrogen-containing gas in the presence of a catalyst, where hydrogen in which residual gases are present is used.
    Type: Grant
    Filed: July 18, 2002
    Date of Patent: June 17, 2008
    Assignee: BASF Aktiengesellschaft
    Inventors: Arnd Böttcher, Ekkehard Schwab, Ralf Kästner, Jochem Henkelmann, Gerd Kaibel, Heinrich Laib
  • Publication number: 20040215042
    Abstract: The present invention relates to a process for the hydrogenation of substituted or unsubstituted, monocyclic or polycyclicaromatics to form the corresponding cycloaliphatics, in particular of benzene to cyclohexane, by bringing the aromatic into contact with a hydrogen-containing gas in the presence of a catalyst, where hydrogen in which residual gases are present is used.
    Type: Application
    Filed: January 20, 2004
    Publication date: October 28, 2004
    Inventors: Arnd Bottcher, Ekkehard Schwab, Ralf Kastner, Jochem Henkelmann, Gerd Kaibel, Heinrich Laib