(19)

(11)

EP 2 403 497 A1

(12)

(43) Date of publication: 11.01.2012 Bulletin 2012/02 (21) Application number: 10748321.6 (22) Date of filing: 01.03.2010

(51) International Patent Classification (IPC):  A61K 31/41(2006.01) A61K 31/498(2006.01) A61K 31/352(2006.01) A61P 35/00(2006.01) (86) International application number: PCT/CN2010/070813 (87) International publication number: WO 2010/099731 (10.09.2010 Gazette 2010/36)

(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 MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 01.03.2009 US 156507 P (71) Applicant: Yu, Ming Heping District, Tianjin 300070 (CN)	(72) Inventor: Yu, Ming Heping District, Tianjin 300070 (CN) (74) Representative: Jennings, Nigel Robin  Kilburn & Strode LLP 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)