(19)

(11)

EP 2 313 346 A1

(12)

(43) Date of publication: 27.04.2011 Bulletin 2011/17 (21) Application number: 09777608.2 (22) Date of filing: 03.08.2009

(51) International Patent Classification (IPC):  C01G 45/00(2006.01) C01G 53/00(2006.01) C01G 51/00(2006.01) C01G 23/00(2006.01) (86) International application number: PCT/EP2009/005600 (87) International publication number: WO 2010/015368 (11.02.2010 Gazette 2010/06)

(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 MK MT NL NO PL PT RO SE SI SK SM TR Designated Extension States: AL BA RS (30) Priority: 04.08.2008 WO PCT/EP2008/006411 (71) Applicant: Umicore 1000 Bruxelles (BE)	(72) Inventors: PAULSEN, Jens Martin Cheonan City 333798 (KR) LAU, Thomas Edmonton Alberta T6X 1M6 (CA) HONG, HeonPyo Cheonan BaekSaokDong (KR) KIM, Jihye Baeksogdong (KR) (74) Representative: Knockaert, Guy  Umicore Patent Department Kasteelstraat 7 2250 Olen 2250 Olen (BE)