(19)

(11)

EP 2 603 617 A1

(12)

(43) Date of publication: 19.06.2013 Bulletin 2013/25 (21) Application number: 11815892.2 (22) Date of filing: 01.08.2011

(51) International Patent Classification (IPC):  C22B 1/244(2006.01) C08K 3/22(2006.01) C08K 3/08(2006.01) C10L 5/14(2006.01) (86) International application number: PCT/AU2011/000960 (87) International publication number: WO 2012/019216 (16.02.2012 Gazette 2012/07)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 09.08.2010 AU 2010903554 (71) Applicant: Onesteel NSW Pty Limited Rooty Hill, New South Wales 2766 (AU)	(72) Inventors: O'KANE, Paul James Rooty Hills, NSW 2766 (AU) SKIDMORE, Catherine, Louise Rooty Hills, NSW 2766 (AU) (74) Representative: Hauck Patent- und Rechtsanwälte  Neuer Wall 50 20354 Hamburg 20354 Hamburg (DE)