Patents Assigned to Quebec Iron & Titanium Corporation-Fer et Titane due Quebec, Inc.
  • Patent number: 4038363
    Abstract: Upgrading of titanium values in a slag such as Sorelslag by working up the lag such as by alkali salt roasting to render the slag leachable in a plurality of leaching stages to recover titania (and other) values of 94 to 97 percent purity useful in a sulphate or a chloride process for producing titanium dioxide.
    Type: Grant
    Filed: October 21, 1975
    Date of Patent: July 26, 1977
    Assignee: Quebec Iron & Titanium Corporation-Fer et Titane due Quebec, Inc.
    Inventor: Basil Jarish