Patents by Inventor Hans W. Nethe

Hans W. Nethe 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).

  • Method of consolidating sand
    Patent number: 4560588
    Abstract: Sandy soils, e.g., loess-containing desert soils, are treated with an aqueous dispersion of pyrogenically produced silicon dioxide and/or corresponding mixed oxides of silicon to achieve consolidation of the sand.
    Type: Grant
    Filed: August 20, 1984
    Date of Patent: December 24, 1985
    Assignee: Degussa Aktiengesellschaft
    Inventors: Hans W. Nethe, Frank R. Nethe