Patents by Inventor Hartmut Witte

Hartmut Witte 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 solidifying and eliminating radioactive borate containing liquids
    Patent number: 4122028
    Abstract: There is provided a process for the solidification of radioactive boron containing aqueous solutions and suspensions containing more than 5% boric acid or a borate and more than 5% solids by addition of suitable additions in the correct sequence to form solid, transportable and storable blocks by using as the additive first 5 to 30 parts by weight of slaked lime and then 30-80 parts by weight of cement per 100 parts by weight of radioactive solution.
    Type: Grant
    Filed: January 25, 1977
    Date of Patent: October 24, 1978
    Assignee: Nukem Nuklear-Chemie und Metallurgie GmbH
    Inventors: Norbert Iffland, Hans-Jorg Isensee, Gerhard Wagner, Hartmut Witte