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EP 1 663 226 A1

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(43) Date of publication: 07.06.2006 Bulletin 2006/23 (21) Application number: 04769278.5 (22) Date of filing: 03.09.2004

(51) International Patent Classification (IPC):  A61K 31/4709(2000.01) A61K 9/28(1974.07) A61K 9/20(1974.07) (86) International application number: PCT/IB2004/002875 (87) International publication number: WO 2005/020998 (10.03.2005 Gazette 2005/10)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 03.09.2003 IN DE20031099 (71) Applicant: Ranbaxy Laboratories Limited Haryana 122001, Delhi (IN)

(72) Inventors: Singh, Romi Barat Uttar Pradesh 221002 (IN) Kumar, Pananchukunnath Manoj New Delhi, Delhi 110018 (IN) Nagaprasad, Vishnubhotla Hyderabad, Andhra Pradesh 500072 (IN) Sethi, Sanjeev Kumar Faridabad 121006 (IN) Malik, Rajiv A-1190 Wien (AT) (74) Representative: Gilholm, Stephen Philip  Ranbaxy Laboratories Limited Intellectual Property Department 20 Balderton Street London W1K 6TL London W1K 6TL (GB)