Patents Assigned to Cerex
  • Patent number: 4820339
    Abstract: In a process for the production of a metal by reducing a salt of said metal, an exchange is carried out between a reducing metal and a reducible metal within a fused salt bath under conditions in which the reducible metal in the reduced metal state is immiscible in the bath in the presence of the reducing metal which has previously been dissolved in the bath.
    Type: Grant
    Filed: June 9, 1987
    Date of Patent: April 11, 1989
    Assignee: Cerex
    Inventors: Gerard-Pierre Bienvenu, Bernard Chaleat, Dominique Dubruque, Jean-Claude Girardot, Philippe Vaxelaire