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(11)

EP 2 575 780 A1

(12)

(43) Date of publication: 10.04.2013 Bulletin 2013/15 (21) Application number: 11727759.0 (22) Date of filing: 23.05.2011

(51) International Patent Classification (IPC):  A61K 9/20(2006.01) A61K 31/428(2006.01) (86) International application number: PCT/IB2011/001099 (87) International publication number: WO 2011/148243 (01.12.2011 Gazette 2011/48)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR (30) Priority: 24.05.2010 IN KO05672010 (71) Applicant: Lupin Limited State of Maharashtra, Mumbai 400 098 (IN)	(72) Inventors: KULKARNI, Shirishkumar 411 042 Pune (IN) KULKARNI, Rajesh 411 042 Pune (IN) JADHAV, Pandharinath 411 042 Pune (IN) TIWARI, Ashish 411 042 Pune (IN) (74) Representative: Bobbert & Partner  POBox 1252 85422 Erding 85422 Erding (DE)