Patents by Inventor Marin Vilceanu

Marin Vilceanu 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).

  • Reactor for the catalytic ammonia synthesis at high temperatures and pressures
    Patent number: 3932139
    Abstract: A reactor for the catalytic synthesis of ammonia at high temperature and pressure from nitrogen and hydrogen wherein the intertubular spaces of the heat exchange zone are filled with metallic balls; the tubular spaces contain metal bars with square cross section; triple concentric tubes are present in the preheating and reaction zone to reach optimal temperature conditions; a demister is provided for the retention of oil at the entrance of the synthesis gas into the intertubular spaces of the heat-exchange zone; and a bag-shaped distribution chamber is provided between the reaction and preheating zone and the heat exchange zone.
    Type: Grant
    Filed: January 2, 1974
    Date of Patent: January 13, 1976
    Assignee: Combinatul Chimic Fagaras
    Inventors: Marin Vilceanu, Constantin Bors