Patents Assigned to Instytut Nawozow Sztucznych Zjednoczenie "Petrochemia"
  • Installation for conducting a synthesis reaction of urea
    Patent number: 4098579
    Abstract: Apparatus for synthesis of urea comprising a reaction vessel divided into a number of adjacent reaction zones by means of overflow-preventing plates with moving elements that are non-return valves.
    Type: Grant
    Filed: March 3, 1977
    Date of Patent: July 4, 1978
    Assignee: Instytut Nawozow Sztucznych Zjednoczenie "Petrochemia"
    Inventors: Janusz Starzycki, Jadwiga Starzycka, Janusz Sobczak, Stanislaw Golembiowski, Ernest Pieczora, Stanislaw Kolanek, Jerzy Simonides, Jozef Jendrzej