Patents by Inventor Juergen Hamprecht

Juergen Hamprecht 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).

  • Recyclable bumper system
    Patent number: 5122398
    Abstract: A recyclable bumper system based on polypropylene comprises a bumper support A of glass fiber reinforced polypropylene, an energy-absorbing foam core B of foamed polypropylene and a tough shell C of EP-rubber modified polypropylene which may be coated, and can be recycled by mechanical comminution, extrusion and granulation, resulting in granules from which injection moldings having good mechanical properties can be produced.
    Type: Grant
    Filed: November 26, 1990
    Date of Patent: June 16, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Erhard Seiler, Klaus-Dieter Ruempler, Norbert Jung, Udo Haardt, Rainer Henning, Juergen Hamprecht