Patents by Inventor Jana Kellermann

Jana Kellermann 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).

  • Powdery composition based on water-soluble polymers
    Publication number: 20030004246
    Abstract: The powdery composition based on water-soluble polymers essentially contains
    Type: Application
    Filed: July 24, 2002
    Publication date: January 2, 2003
    Inventors: Steffen Wache, Mathias Degenkolb, Klaus Hotzl, Jana Kellermann