Patents by Inventor Kerstin Andres

Kerstin Andres 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).

  • PROCESS FOR PREPARING HYPERBRANCHED, DENDRITIC POLYURETHANES BY MEANS OF REACTIVE EXTRUSION
    Publication number: 20110065886
    Abstract: The present invention relates to a process for preparing hyperbranched, dendritic polyurethanes by means of reactive extrusion.
    Type: Application
    Filed: August 13, 2008
    Publication date: March 17, 2011
    Applicant: Evonik Degussa GmbH
    Inventors: Thomas Weihrauch, Stefan Bernhardt, Matthias Seiler, Kerstin Andres, Markus Schwarz, Silvia Herda