Patents by Inventor Herman Soehodho

Herman Soehodho 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 producing di-ammonium phosphate fertilizer
    Patent number: 4592771
    Abstract: A novel method is provided to produce di-ammonium phosphate fertilizer by operating a DAP reactor and granulator in such a manner that part of the hot exhaust gases from the DAP reactor are diverted into a vaporizer where liquid ammonia is vaporized for use in the DAP reactor and the granulator. Considerable savings in energy and other advantages are achieved through such operation.
    Type: Grant
    Filed: August 29, 1984
    Date of Patent: June 3, 1986
    Assignee: Brunswick Mining and Smelting Corporation Ltd.
    Inventors: Loftus A. Benjamin, Donald T. Aikens, Thomas B. Gravestock, Herman Soehodho