Patents by Inventor Theodor Gambopoulos

Theodor Gambopoulos 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).

  • Patent number: 4147614
    Abstract: A process for the beneficiation of magnesite ores utilizes an aqueous conditioning mixture of diesel oil, pine oil and a diamine for activation of the surface of the gangue constituents so that after treatment with ferromagnetic materials, they can be easily separated from the ores by magnetic separators.
    Type: Grant
    Filed: July 8, 1977
    Date of Patent: April 3, 1979
    Inventors: Theodor Gambopoulos, Antonios Frangiskos
  • Patent number: 3976251
    Abstract: Magnesite ores are upgraded by the removal of the contaminants from the ore by a reverse flotation treatment thereof. Removal is carried out with the aid of a mixture of quaternary ammonium compounds and primary amines in combination with the use of impure kerosene.
    Type: Grant
    Filed: December 6, 1974
    Date of Patent: August 24, 1976
    Assignee: Financial Mining - Industrial and Shipping Corporation
    Inventors: Theodor Gambopoulos, Antony Nestoridis