(19)

(11)

EP 2 035 589 A1

(12)

(43) Date of publication: 18.03.2009 Bulletin 2009/12 (21) Application number: 07719060.1 (22) Date of filing: 12.06.2007

(51) International Patent Classification (IPC):  C22B 1/24(2006.01) C22B 1/243(2006.01) C22B 1/242(2006.01) (86) International application number: PCT/AU2007/000817 (87) International publication number: WO 2007/143779 (21.12.2007 Gazette 2007/51)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 12.06.2006 AU 2006903158 (71) Applicant: Murrin Murrin Operations Pty Ltd Perth, WA 6000 (AU)	(72) Inventor: RODRIGUEZ, Michael Kingsley, Western Australia 6026 (AU) (74) Representative: Thomson, Craig Richard  Murgitroyd & Company Scotland House 165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)