Patents by Inventor Norber Hahn

Norber Hahn 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).

  • METHOD FOR PRODUCING POLYETHER ESTER POLYOLS
    Publication number: 20140329985
    Abstract: The present invention provides a process for producing polyether ester polyols on the basis of renewable raw materials, the polyether ester polyols produced by the process according to the invention, the use thereof for the purpose of producing polyurethanes, and also polyurethanes containing the polyether ester polyols according to the invention
    Type: Application
    Filed: December 19, 2011
    Publication date: November 6, 2014
    Inventors: Klaus Lorenz, Jörg Hofmann, Bert Klesczewski, Norber Hahn