(19)

(11)

EP 2 101 771 A2

(12)

(88) Date of publication A3: 31.12.2008 (43) Date of publication: 23.09.2009 Bulletin 2009/39 (21) Application number: 07870544.9 (22) Date of filing: 05.12.2007

(51) International Patent Classification (IPC):  A61K 31/4422(2006.01) A61K 9/28(2006.01) (86) International application number: PCT/IN2007/000585 (87) International publication number: WO 2008/068777 (12.06.2008 Gazette 2008/24)

(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 LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 06.12.2006 IN MU20042006 (71) Applicant: Torrent Pharmaceuticals Ltd Ahmedabad 380 009 Gujarat (IN)	(72) Inventors: GUNUPATI, Jyothi, Lakshmi Bhat 382 428 (IN) NANDA, Nagesh Bhat 382 428 (IN) (74) Representative: Watson, Robert James et al Mewburn Ellis LLP 33 Gutter Lane London EC2V 8AS London EC2V 8AS (GB)