Patents by Inventor Marc Thommen

Marc Thommen 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 the cis-selective catalytic hydrogenation of cyclohexylidenamines
    Patent number: 6232501
    Abstract: This invention relates to a process for the cis-selective preparation of cyclic amines of the sertraline type by reductive alkylation of cyclic immines or of their precursors and for the catalytic hydrogenation in the presence of copper-containing catalysts.
    Type: Grant
    Filed: September 14, 2000
    Date of Patent: May 15, 2001
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Heinz Steiner, Markus Benz, Hans-Peter Jalett, Marc Thommen