Patents by Inventor Werner Rothhoft

Werner Rothhoft 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).

  • Multimodal polyethylene molding composition for producing pipes having improved mechanical properties
    Publication number: 20090105422
    Abstract: A polyethylene molding composition having a multimodal molecular mass distribution and comprising from 45 to 55% by weight of a low molecular weight ethylene homopolymer A, from 20 to 40% by weight of a high molecular weight copolymer B comprising ethylene and another olefin having from 4 to 8 carbon atoms and from 15 to 30% by weight of an ultrahigh molecular weight ethylene copolymer C can be prepared in the presence of a Ziegler catalyst in a three-stage process and is highly suitable for producing pipes having excellent mechanical properties.
    Type: Application
    Filed: August 17, 2006
    Publication date: April 23, 2009
    Applicant: Basell Polyolefine GmbH
    Inventors: Joachim Berthold, Hansjorg Nitz, Werner Rothhoft, Heinz Vogt