Patents by Inventor Harald W. Kremnitz

Harald W. Kremnitz 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 the treatment of waste products
    Patent number: 5630785
    Abstract: In this process for the treatment of waste products, the waste products are separated in a first and a second group with respective pH-value of maximum 7 or higher than 7. The waste products of the first group are made increasingly acid whereas those of the second group are basified. This is done by adding an acid to the first group and a base to the second group in order to obtain a pH-value of maximum 5 for the first group and a pH-value of minimum 8 for the second group. An oxidant and metallic precipitating reagents are added to the first group of waste products. The thus treated waste products are combined in an alkaline mixture that is absorbed in a polymeric matrix by adding reaction components for the formation of a polymeric matrix.
    Type: Grant
    Filed: March 15, 1995
    Date of Patent: May 20, 1997
    Assignee: Hydromex Inc.
    Inventors: Dennie E. Pridemore, Harald W. Kremnitz