Patents Assigned to UNI Superkom
  • Blended charge for steel production
    Patent number: 5425797
    Abstract: A blended charge for use as a decarburizing addition to a steelmaking batch comprises 50 to 95% by weight of an iron-carbon alloy and 5 to 50% by weight oxide material. The oxide material includes free metal oxides in excess of 0.25% by weight having an affinity for oxygen less than or equal to carbon in the molten steel.
    Type: Grant
    Filed: February 23, 1994
    Date of Patent: June 20, 1995
    Assignee: UNI Superkom
    Inventors: Genrih A. Dorofeev, Serafim Z. Afonin, Yuri V. Utkin, Aleksandr V. Makurov, Anatoly G. Sitnov