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EP 1 363 672 A1

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(43) Date of publication: 26.11.2003 Bulletin 2003/48 (21) Application number: 01915652.0 (22) Date of filing: 26.02.2001

(51) International Patent Classification (IPC)7: A61K 47/48, A61K 9/16, A61K 9/51 (86) International application number: PCT/IN0100/027 (87) International publication number: WO 0206/7995 (06.09.2002 Gazette 2002/36)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (71) Applicant: COUNCIL OF SCIENTIFIC &INDUSTRIAL RESEARCH; An Indian Registered Body Incorporated Under The Registration of Societies Act; New Delhi 110001 (IN)

(72) Inventors: CHALASANI, K. B.Indian Inst. of Chemical Techn. Andhra Pradesh (IN) DIWAN, P. V.Indian Inst. of Chemimical Techn. Andhra Pradesh (IN) RAGHAVAN, K. V.Indian Inst. of Chemical Techn. Andhra Pradesh h (IN) RUSSELL-JONES, Gregory, John NSWAustralia, ACT 2069 (AU) JAIN, S. K.Department of Pharmaceutical Sciences Sagar 470 003Madhya Pradesh (IN) RAO, K. K.Saket Biotechnologies Private Ltd. Andhra Pradesh (IN) (74) Representative: Portal, Gérard et al Cabinet Beau de Loménie158, rue de l'Université 75340 Paris Cédex 07 75340 Paris Cédex 07 (FR)