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EP 2 705 042 A1

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(43) Date of publication: 12.03.2014 Bulletin 2014/11 (21) Application number: 12721936.8 (22) Date of filing: 02.05.2012

(51) International Patent Classification (IPC):  C07D 498/22(2006.01) A61P 1/00(2006.01) A61K 31/437(2006.01) (86) International application number: PCT/IB2012/052200 (87) International publication number: WO 2012/150561 (08.11.2012 Gazette 2012/45)

(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: 02.05.2011 IN DE12892011 (71) Applicant: Ranbaxy Laboratories Limited Delhi 110019 (IN)

(72) Inventors: JARYAL, Jagdev, Singh Kangra Himachal Pradesh 176087 (IN) KAPOOR, Munish Amritsar Punjab 143006 (IN) SATHYANARAYANA, Swargam Karim Nagar Andhra Pradesh 505002 (IN) THAPER, Rajesh Kumar Jammu and Kashmir 180001 (IN) PRASAD, Mohan Gurgaon Haryana 122003 (IN) ARORA, Sudershan, Kumar Gurgaon Haryana 122001 (IN) (74) Representative: Cronin, Brian Harold John  CRONIN Intellectual Property Chemin de Précossy 31 1260 Nyon 1260 Nyon (CH)