(19)

(11)

EP 1 861 515 A1

(12)

(43) Date of publication: 05.12.2007 Bulletin 2007/49 (21) Application number: 06722135.8 (22) Date of filing: 23.03.2006

(51) International Patent Classification (IPC):  C22C 1/04(2006.01) C22F 1/00(2006.01) C22C 33/04(2006.01) B01J 19/00(2006.01) (86) International application number: PCT/CN2006/000483 (87) International publication number: WO 2006/099808 (28.09.2006 Gazette 2006/39)

(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 NL PL PT RO SE SI SK TR (30) Priority: 23.03.2005 US 88106 (71) Applicant: Kui, Hinwing 40A Kennedy Road Hongkong (CN)	(72) Inventor: Kui, Hinwing 40A Kennedy Road Hongkong (CN) (74) Representative: Jump, Timothy John Simon et al Venner Shipley LLP 20 Little Britain London EC1A 7DH London EC1A 7DH (GB)