Patents Assigned to S.A. Manganese Amcor Ltd.
  • Process for decarburizing ferro-manganese
    Patent number: 4192675
    Abstract: Ferro-manganese is decarburized from a carbon content of as high as 7.5% down to 2% or less by blowing an oxidizing gas into the melt in two stages through one or more immersed tuyeres protected with a peripheral fluid introduced into said tuyeres, utilizing temperatures between 1650.degree. and 1750.degree. C.
    Type: Grant
    Filed: December 28, 1978
    Date of Patent: March 11, 1980
    Assignees: S.A. Manganese Amcor Ltd., Creusot-Loire
    Inventors: Robert A. Featherstone, Paul P. Roos, Willem A. Gericke, Jean Saleil, Pierre J. Leroy, Jean-Marcel Masson