Patents by Inventor Hans-Joachim Hoppe

Hans-Joachim Hoppe 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).

  • Process for the manufacture of monofilaments
    Patent number: 4285898
    Abstract: The invention relates to a process for the manufacture of monofilaments for melt-spun synthetic polymers at high speeds. Lower spinning heights than conventional spinning applications are obtained by using the phenomena of natural yarn deflection.
    Type: Grant
    Filed: September 21, 1979
    Date of Patent: August 25, 1981
    Assignee: Akzona Incorporated
    Inventors: Hans-Joachim Hoppe, Karl Ostertag