Patents by Inventor Irene Pitsch

Irene Pitsch 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: 7982031
    Abstract: The present invention relates to a method for the selective oxidation of a carbohydrate in the presence of a gold catalyst which includes nanodispersed gold particles on a metal oxide support, to a method for the selective oxidation of an oligosaccharide in the presence of a gold catalyst which comprises nanodispersed gold particles on a carbon or metal oxide support, and to the aldonic acid oxidation products prepared by use of these methods.
    Type: Grant
    Filed: May 4, 2004
    Date of Patent: July 19, 2011
    Assignee: Sudzucker Aktiengesellschaft
    Inventors: Jörg Kowalczyk, Alireza Haji Begli, Ulf Prüsse, Heinz Berndt, Irene Pitsch
  • Publication number: 20070112186
    Abstract: The present invention relates to a method for the selective oxidation of a carbohydrate in the presence of a gold catalyst which includes nanodispersed gold particles on a metal oxide support, to a method for the selective oxidation of an oligosaccharide in the presence of a gold catalyst which comprises nanodispersed gold particles on a carbon or metal oxide support, and to the aldonic acid oxidation products prepared by use of these methods.
    Type: Application
    Filed: May 4, 2004
    Publication date: May 17, 2007
    Inventors: Jorg Kowalczyk, Jorg Kowalczyk, Ulf Prusse, Heinz Berndt, Irene Pitsch