(19)

(11)

EP 2 247 774 A1

(12)

(43) Date of publication: 10.11.2010 Bulletin 2010/45 (21) Application number: 08800081.5 (22) Date of filing: 30.09.2008

(51) International Patent Classification (IPC):  C25F 3/16(2006.01) (86) International application number: PCT/AU2008/001446 (87) International publication number: WO 2009/105802 (03.09.2009 Gazette 2009/36)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 25.02.2008 AU 2008900868 (71) Applicant: Metal Science Technologies Pty Ltd Teven, NSW 2478 (AU)	(72) Inventor: KLOWER, Dean Teven NSW 2478 (AU) (74) Representative: Evens, Paul Jonathan  Maguire Boss 24 East Street St. Ives Cambridgeshire PE27 5PD St. Ives Cambridgeshire PE27 5PD (GB)