Patents by Inventor Robert Nebel

Robert Nebel 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).

  • Suppression of fines during the granulation of ammonium nitrate
    Patent number: 5154752
    Abstract: The formation of dust or fines may be suppressed, during the granulation of ammonium nitrate having a nitrogen content of 28% to 34.5%, by a process in which ammonium nitrate is initially granulated to form a raw granulate containing fines, and thereafter heated and contacted by a hydrated sulfate during a second granulation step wherein the fines are affixed to the raw granulate.
    Type: Grant
    Filed: April 6, 1989
    Date of Patent: October 13, 1992
    Assignee: Uhde GmbH
    Inventors: Erich Scheibler, Josef Driller, Robert Nebel