Patents by Inventor Gunter Krug

Gunter Krug 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 combustible, solid radioactive wastes
    Patent number: 4349465
    Abstract: In a process for the wet combustion of solid, combustible, radioactive wastes by reaction with concentrated sulfuric and nitric acids or NO.sub.x at elevated temperatures, the improvement wherein the waste, prior to the reaction, is subjected to a preliminary comminution to a particle size less than or equal to 20 mm, and then to a primary comminution, at a temperature less than about 123.degree. K, to a particle size less than or equal to 1 mm.
    Type: Grant
    Filed: April 18, 1980
    Date of Patent: September 14, 1982
    Assignee: KEWA Kernbrennstoff-Wiederaufarbeitungs-Gesellschaft mbH
    Inventors: Gunter Krug, Helfried Lahr, Peter Schween, Herbert Wieczorek
  • Process for the working up and regeneration of wash waters containing ammonium
    Patent number: 4209399
    Abstract: A process for regenerating an ammonium, heavy metal salts, ammonium nitrate nd organic substances containing wash water resulting from the production of a hydrated oxide of an actinide which comprises evaporating said wash water to a concentration of at least 900 grams per liter salt and scrubbing the resulting CO.sub.2 -containing vapors with hot alkali lye prior to their condensation.
    Type: Grant
    Filed: March 20, 1978
    Date of Patent: June 24, 1980
    Assignee: Deutsche Gesellschaft fur Wiederaufarbettung von Kernbrennstoffen GmbH
    Inventors: Helfried Lahr, Gunter Krug