Patents by Inventor Klaus Pollmannn

Klaus Pollmannn 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).

  • Patent number: 5387359
    Abstract: The alkaline earth metal potassium acetate according to the invention comprises14 to 19 % by weight of calcium (Ca.sup.++),0 to 1% by weight of magnesium (Mg.sup.++),11 to 16 % by weight of potassium (K.sup.+),62 to 71% by weight of acetate (CH.sub.3 COO.sup.-),0 to 7 % by weight of waterand0 to 2 % by weight of water-insoluble componentsFor its preparation, a calcium oxide containing at least 85% of CaO, acetic acid and potassium hydroxide solution are reacted with one another and the reaction product is granulated to give particles of 0.5 to 5 mm. The alkaline earth metal potassium acetate according to the invention can be used as an environment-friendly deicing agent causing little corrosion.
    Type: Grant
    Filed: December 2, 1993
    Date of Patent: February 7, 1995
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Johannes Himmrich, Gunther Schimmel, Klaus Pollmannn