Patents by Inventor Roland Unternhahrer

Roland Unternhahrer 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: 6374513
    Abstract: A process for the heat treatment of lignocellulosic material where the material is perheated and dried at a temperature close to the vaporization temperature of water, heated in a reducing atmosphere and cooled by the injection of water vapor.
    Type: Grant
    Filed: September 2, 1999
    Date of Patent: April 23, 2002
    Assignee: Pluri-Capital (PCI) Inc.
    Inventors: Roland Unternhahrer, Cyrille Chautemps, Jean-Pierre Bernon