Patents by Inventor Sarah R. Kaspers

Sarah R. Kaspers 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).

  • Stabilization of natural composites
    Patent number: 7862746
    Abstract: The invention relates to a method of stabilizing natural composites against damage by heat and light by treating the wood derived fillers with a water based solution of a sterically hindered amine, drying the treated wood derived filler and then combining with plastic via compounding methods such as extrusion.
    Type: Grant
    Filed: February 13, 2006
    Date of Patent: January 4, 2011
    Assignee: BASF SE.
    Inventors: Sarah R. Kaspers, Christian Guckel, Daniel Rogez, Christian M. Schaller