Patents by Inventor Norbert Eickhoff

Norbert Eickhoff 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).

  • Compound of a composite body
    Patent number: 6872775
    Abstract: A compound for a composite body having a hard and a soft component, and to a process for producing such a composite body is provided. The compound comprises a hard component (a) of a polyoxymethylene and a soft component (b) of one or more hydrogenated styrene block copolymers, molded directly onto component (a). The styrene block copolymers are from the group of poly-isoprene/butadiene polymer (SEEPS), poly-isoprene polymer (SEPS); poly-butadiene polymer (SEBS), and combinations thereof. The styrene block copolymer is adhesion-modified by the addition of a compound selected from styrene/butadiene copolymer (SBS); ethylene/vinyl acetate copolymer (EVA); olefinic polymers, polystyrene (PS), and combinations thereof.
    Type: Grant
    Filed: January 15, 2002
    Date of Patent: March 29, 2005
    Assignees: E.I. du Pont de Nemours and Company, Plastolen GmbH
    Inventors: Stefan Greulich, Karl-Wilhelm Kirberg, Norbert Eickhoff, Olaf Stelzer
  • Compound of a composite body
    Publication number: 20030134984
    Abstract: A compound for a composite body having a hard and a soft component, and to a process for producing such a composite body is provided. The compound comprises a hard component (a) of a polyoxymethylene and a soft component (b) of one or more hydrogenated styrene block copolymers, molded directly onto component (a). The styrene block copolymers are from the group of poly-isoprene/butadiene polymer (SEEPS), poly-isoprene polymer (SEPS); poly-butadiene polymer (SEBS), and combinations thereof. The styrene block copolymer is adhesion-modified by the addition of a compound selected from styrene/butadiene copolymer (SBS); ethylene/vinyl acetate copolymer (EVA); olefinic polymers, polystyrene (PS), and combinations thereof.
    Type: Application
    Filed: January 15, 2002
    Publication date: July 17, 2003
    Inventors: Stefan Greulich, Karl-Wilhelm Kirberg, Norbert Eickhoff, Olaf Stelzer