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:
May. 20, 2014
Filed:
Sep. 29, 2009
Alan David Stuart, New Lambton, AU;
John Andrew Lawson, Belmont North, AU;
Christopher Brett Ward, Attadale, AU;
Hong Peng, St. Lucia, AU;
Alan David Stuart, New Lambton, AU;
John Andrew Lawson, Belmont North, AU;
Christopher Brett Ward, Attadale, AU;
Hong Peng, St. Lucia, AU;
BHP Billiton Innovation Pty Ltd, Melbourne, AU;
Abstract
A sulfate process for producing titania from a titaniferous material (as herein defined) including a step of leaching said titaniferous material with a leachant to form a process solution that includes an acidic solution of titanyl sulfate and iron sulfate, wherein said sulfate process further includes a filtration step comprising filtering said leachant to at least substantially remove titanyl sulfate particles from said leachant prior to supplying said leachant to said leach step.