Patents by Inventor Brigitte Littwitz

Brigitte Littwitz 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).

  • Pultrusion method and an article produced by said method
    Publication number: 20060204739
    Abstract: A pultrusion process is described, in which a strand composed of a multifilament-reinforced first thermoplastic molding composition is produced, sheathed by a layer composed of a second thermoplastic molding composition. The first molding composition here comprises a catalyst which catalyzes the formation of covalent bonds between the thermoplastic polymer and the surface of the multifilaments, and, where appropriate, comprises other additives which do not adversely affect the activity of the catalyst, and the second thermoplastic molding composition comprises additives.
    Type: Application
    Filed: April 29, 2004
    Publication date: September 14, 2006
    Applicant: TICONA GmbH
    Inventors: Nicolai Papke, Joachim Heydweiller, Heinz Bernd, Bruno Wagner, Thomas Borgner, Brigitte Littwitz