Patents by Inventor Hans-Friedrich Enderle

Hans-Friedrich Enderle 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).

  • Preparation of ultra high molecular mass polyethylene and ultra high molecular mass polyethylene having improved crosslink ability prepared thereb
    Publication number: 20110218309
    Abstract: The invention pertains to a method for the preparation of ultra high molecular mass polyethylene by polymerization in suspension or in gas phase in the presence of a chromium catalyst sitting on an alumosilicate support material. The chromium catalyst has been subjected to a fluorinating treatment and the polymerization is performed under low temperature conditions within a temperature range of from 50 to 100° C. The invention pertains also to ultra high molecular mass polyethylene prepared by that method and having a density in the range of from 0.930 to 0.950 g/cm3.
    Type: Application
    Filed: November 18, 2009
    Publication date: September 8, 2011
    Applicant: BASELL POLYOLEFINE GMBH
    Inventors: Shahram Mihan, Lars Koelling, Heinz Vogt, Dieter Lilge, Hans-Friedrich Enderle, Hans-Jörg Nitz, Lenka Lukesova