Patents by Inventor Walter Pfeffer

Walter Pfeffer 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).

  • LUMINESCENT CELLULOSE SYNTHETIC FIBER AND METHOD FOR THE PRODUCTION THEREOF
    Publication number: 20140302301
    Abstract: The invention relates to a high-strength luminescent cellulose synthetic fiber, which is produced by means of spin dyeing with a luminescent pigment and a dulling pigment.
    Type: Application
    Filed: May 24, 2012
    Publication date: October 9, 2014
    Inventors: Walter Pfeffer, Franz Gugerell, Martin Gebert-Germ