Patents Assigned to VAW Vereinigte Aluminium-Werke AG
  • Process for producing aluminum by molten salt electrolysis
    Patent number: 4919771
    Abstract: The invention concerns a process for producing aluminum by molten salt electrolysis, whereby a melt consisting of alkali halides and/or alkali earth halides is used as electrolyte and a mixture containing aluminum oxide and carbon is used as the anode.
    Type: Grant
    Filed: September 20, 1979
    Date of Patent: April 24, 1990
    Assignee: VAW Vereinigte Aluminium-Werke AG
    Inventor: Siegfried Wilkening