Patents by Inventor Franz Dümberger

Franz Dümberger 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).

  • Polysaccharide film and method for the production thereof
    Patent number: 9701800
    Abstract: The present invention relates to a method for the production of films made of polysaccharides which, as a fiber-forming substance, contain ?(1?3)-glucan, as well as to the films made thereof and to their use.
    Type: Grant
    Filed: April 10, 2014
    Date of Patent: July 11, 2017
    Assignee: LENZING AKTIENGESELLSCHAFT
    Inventors: Franz Dümberger, Andreas Schweigart, Gerold Riedl, Elisabeth Reiter, Gert Kroner
  • Lyocell Staple Fiber
    Publication number: 20100021711
    Abstract: The present invention relates to Lyocell staple fiber consisting of a plurality of cut filaments, which is characterized in that at least part of said cut filaments exhibit an overall cross-sectional shape which is a bi- or multi-filar cross-sectional shape resulting from notionally partially overlapping two or more fiber cross-sectional shapes.
    Type: Application
    Filed: May 29, 2007
    Publication date: January 28, 2010
    Applicant: LENZING AKTIENGESELLSCHAFT
    Inventors: Christoph Schrempf, Franz Dümberger, Wolfgang Uhlir