Patents by Inventor Karl-Heinz Kersting

Karl-Heinz Kersting 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: 5230586
    Abstract: The present invention relates to a method for the microbiological decontamination of soil, in which1) the contaminated soil is excavated and treated,2) the treated soil is banked up on a prepared subsoil in the form of regeneration clamps, and3) the clamps are provided with oxygen while microbiological degradation of the contaminants takes place.The method comprises mixing the contaminated soil with, preferably contaminated, concrete and/or building rubble, before the mixture is banked up in the form of regeneration clamps, the concrete and/or building rubble having been comminuted before mixing to a particle size of .ltoreq.10 mm, preferably .ltoreq.6 mm.The method according to the invention makes possible, within a short time, decontamination even of soils whose permeability for air and water is only low, and also of soils where the distribution of contaminants is highly inhomogeneous, or where the concentration of contaminants is very high.
    Type: Grant
    Filed: July 11, 1991
    Date of Patent: July 27, 1993
    Assignee: BASF Lacke & Farben Aktiengesellschaft
    Inventors: Peter Bachhausen, Karl-Heinz Kersting, Hans-Jurgen Rehm