Patents by Inventor Albert Giesen

Albert Giesen 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).

  • Sizing agent-free tangled multifilament yarn and process for its manufacture
    Patent number: 5896634
    Abstract: Sizing agent-free tangled multifilament yarn with an opening length of 1 to 6 cm and a knot strength of no more than 2, at least the majority of whose filaments have a thin film consisting mainly of hard wax constituting about 0.3 to 2% of the total weight of the filaments together with this film, and are glued, at least in places, via this film to adjacent filaments.
    Type: Grant
    Filed: January 13, 1997
    Date of Patent: April 27, 1999
    Assignee: Akzo Nobel nv
    Inventors: Walter Brodowski, Hermann Klotz, Albert Giesen