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(11)

EP 1 686 974 A1

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(43) Date of publication: 09.08.2006 Bulletin 2006/32 (21) Application number: 04798903.3 (22) Date of filing: 18.11.2004

(51) International Patent Classification (IPC):  A61K 31/137(2006.01) A61K 9/36(2006.01) A61K 9/32(2006.01) (86) International application number: PCT/IB2004/003778 (87) International publication number: WO 2005/049003 (02.06.2005 Gazette 2005/22)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 21.11.2003 IN DE14492003 (71) Applicant: Ranbaxy Laboratories Limited Haryana 122001, Delhi (IN)	(72) Inventors: CHAWLA, Manish Rohini 110085 Delhi (IN) RAGHUVANSHI, Rajeev Singh New Delhi 110070 Delhi (IN) RAMPAL, Ashok Amritsar 143001 Punjab (IN) (74) Representative: Eleveld, Koop Jan et al Philips Intellectual Property & Standards, P.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)