Patents Assigned to Quebec Iron and Titanium Corporation - Fer et Titane du Quebec, Incorporated
  • Magnetic separation of ilmenite
    Patent number: 3935094
    Abstract: Purification of ilmenite from chromite impurities by a two step magnetic separation wherein magnetically susceptible chromite is magnetically removed, followed by an oxidizing roasting of the ilmenite and a subsequent magnetic separation of ilmenite from the remaining chromite impurities to obtain an ilmenite with 1% or less chromite.
    Type: Grant
    Filed: October 10, 1974
    Date of Patent: January 27, 1976
    Assignee: Quebec Iron and Titanium Corporation - Fer et Titane du Quebec, Incorporated
    Inventors: Michel Bergeron, Stephen Frederick Prest