Patents by Inventor Heinz-Dieter Quest

Heinz-Dieter Quest 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 preparation of 3,3,5-trimethylcyclohexanol
    Publication number: 20030109756
    Abstract: The invention relates to a process for the preparation of 3,3,5-trimethylcyclohexanol by hydrogenation of isophorone in the presence of a ruthenium catalyst.
    Type: Application
    Filed: December 3, 2002
    Publication date: June 12, 2003
    Inventors: Walter Kuhn, Hans-Ulrich Funk, Gerhard Senft, Heinz-Dieter Quest