Found AKAs patent lodgements page:
http://www.ipaustralia.com.au/applicant/kaolin2alumina-pty-ltd/patents/
Here is one of Orbites patents in relation to "Processes for extracting aluminum and iron from aluminous ores" -
http://pericles.ipaustralia.gov.au/ols/auspat/applicationDetails.do?applicationNo=2012100165
Looks like the patent was applied for on 15th Feb 2012 and granted on 23rd Feb 2012???