Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Scott N. Hutchison0
David Richard Corbin0
Date of Patent
March 16, 2010
0Patent Application Number
121868810
Date Filed
August 6, 2008
0Patent Primary Examiner
Patent abstract
Provided are processes for the production of titanium dioxide from ilmenite. In these processes, ilmenite is digested with aqueous trimethylammonium hydrogen oxalate. Iron from the ilmenite precipitates as a hydrated iron oxalate and is removed by filtering, leaving a titanium-rich solution. The titanium-rich solution can be further processed to form titanium dioxide.
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