The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 03, 1995
Filed:
Nov. 30, 1992
Applicant:
Inventor:
Kevin J Leary, Waverly, TN (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G / ; C01G / ;
U.S. Cl.
CPC ...
423 80 ; 423 69 ; 423 84 ; 423151 ;
Abstract
A process for beneficiation of titaniferous ores is disclosed in which a titanium and iron-containing ore, such as ilmenite is heated with potassium hydroxide, e.g. at temperatures of about 350.degree.-650.degree. C. and then treating the product with carbon monoxide and water. After cooling and washing the solid product can be separated by magnetic means into an iron-containing magnetic fraction and a titanium-containing fraction.