Patents by Inventor Lutz J. Gerschler

Lutz J. Gerschler 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 storing liquid waste in salt cavities
    Patent number: 4577999
    Abstract: A liquid waste with a pH of 7 or more, which has been adjusted above ground if necessary, is treated above ground to produce a pumpable mixture, which has aboiling point above 85.degree. C.,flash point above 65.degree. C.,vapor pressure at 60.degree. C. of up to 0.5 kp/cm.sup.2, andviscosity of less than 300 cPand which forms no toxic or flammable gases. The mixture is then conveyed to a salt cavity and allowed to stand until phase separation has occurred before the resulting liquid phases are separately drawn off for further treatment or disposal.
    Type: Grant
    Filed: November 18, 1983
    Date of Patent: March 25, 1986
    Assignee: Wintershall AG
    Inventors: Walter Lindorfer, Wilhelm Jahn-Held, Lutz J. Gerschler, Berthold Jandel, Friedel Wartenpfuhl