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:
Feb. 24, 2009
Filed:
Mar. 26, 2007
Animesh Jha, Leeds, GB;
Ephraim Jeya Kumari, Thuckalay, IN;
Abhishek Lahiri, Malleswaram Bangalore, IN;
Animesh Jha, Leeds, GB;
Ephraim Jeya Kumari, Thuckalay, IN;
Abhishek Lahiri, Malleswaram Bangalore, IN;
Millennium Inorganic Chemicals, Hunts Valley, MD (US);
Abstract
This invention relates to a process for beneficiating a titaniferous ore. The process comprises calcining the titaniferous ore, at least one alkali or alkaline earth metal salt, and at least one alumina-containing material in the presence of oxygen to form a calcined ore mixture, then leaching the calcined ore mixture with a solution comprising ammonium, sodium or magnesium chloride in the presence of oxygen to form a leached ore mixture, and contacting the leached ore with an acid to form a beneficiated ore.