(19)

(11)

EP 1 720 524 A2

(12)

(88) Date of publication A3: 30.03.2006 (43) Date of publication: 15.11.2006 Bulletin 2006/46 (21) Application number: 05708615.9 (22) Date of filing: 25.02.2005

(51) International Patent Classification (IPC):  A61K 9/16(2006.01) A61P 31/04(2006.01) A61K 9/20(2006.01) A61K 31/7048(2006.01) (86) International application number: PCT/IB2005/000502 (87) International publication number: WO 2005/082331 (09.09.2005 Gazette 2005/36)

(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 MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR LV MK YU (30) Priority: 26.02.2004 IN IN03062004 (71) Applicant: Ranbaxy Laboratories Limited Haryana 122001, Delhi (IN)	(72) Inventors: MANDAOGADE, Prashant, Manohar Amravati, Maharashtra 444604 (IN) RAGHUVANSHI, Rajeev, Singh New Delhi, Delhi 110070 (IN) RAMPAL, Ashok Amritsar, Punjab 143001 (IN) (74) Representative: Cronin, Brian Harold John  CRONIN Intellectual Property Route de Clémenty 62 1260 Nyon 1260 Nyon (CH)