Patents by Inventor Harald Fietz

Harald Fietz 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).

  • Semi-rigid polyurethane foams and processes for their production and use
    Patent number: 9000062
    Abstract: Semi-rigid polyurethane foams having a density of 90 to 180 kg/m3 and a compressive strength of 20 to 95 kPa are produced by reacting a polyisocyanate with an isocyanate-reactive component that includes an o-toluenediamine initiated polyether polyol. These foams are particularly useful as composites for automotive interior components.
    Type: Grant
    Filed: February 14, 2013
    Date of Patent: April 7, 2015
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Rolf Albach, Monika Haselbach, Harald Fietz