Patents by Inventor Astrid Schmidt Prestewitz

Astrid Schmidt Prestewitz 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).

  • COMPOSITION SUITABLE FOR PRODUCTION OF FOAM EXTINGUISHANTS
    Publication number: 20110240309
    Abstract: The present invention relates to compositions for foam extinguishants which do not comprise any organofluorine compounds and nevertheless meet the highest demands on the extinguishing properties. The inventive compositions comprise at least one fatty alcohol, at least one thickener and at least one acrylic polymer, but the composition does not comprise any organohalogen compounds, more particularly any organofluorine compounds. The present invention also relates to the use of such a composition for production of a foam extinguishant and to the use of the composition for fighting fires, especially for fighting fires of organic liquids, known as liquid fires.
    Type: Application
    Filed: October 29, 2010
    Publication date: October 6, 2011
    Inventors: Arend Jouke Kingma, Astrid Schmidt Prestewitz, Ulrich Steinbrenner, Thomas Leonhardt, Gerhard Ruhle, Cihan Sahin, Veronika Weigelt