Patents by Inventor Andreas Schunk

Andreas Schunk 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 amines
    Publication number: 20010003136
    Abstract: Amines are prepared by reacting aldehydes or ketones at elevated temperature under elevated pressure with nitrogen compounds selected from the group of ammonia, primary and secondary amines, and with hydrogen in the presence of a catalyst, wherein the catalytically active mass of the catalyst contains, after its preparation and before the treatment with hydrogen, 22 to 45% by weight of oxygen-containing compounds of zirconium, calculated as ZrO2,
    Type: Application
    Filed: December 5, 2000
    Publication date: June 7, 2001
    Inventors: Jan Nouwen, Arthur Hohn, Horst Neuhauser, Frank Funke, Stephan Andreas Schunk, Johann-Peter Melder, Knut Eger, Michael Hesse, Joachim Wulff-Doring