Patents by Inventor Dietbert Huffmann

Dietbert Huffmann 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).

  • Extrusion process with polyamides
    Publication number: 20050271887
    Abstract: The present invention relates to a process for coating substrates with polyamides by the use of nanoscale particles with coating rates of at least 250 m/min, as a result of which “edge waving” and “neck-in” are prevented.
    Type: Application
    Filed: May 20, 2005
    Publication date: December 8, 2005
    Inventors: Ralph Ulrich, Wolfram Littek, Helmut Schulte, Dietbert Huffmann