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EP 3 288 539 A1

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(43) Date of publication: 07.03.2018 Bulletin 2018/10 (21) Application number: 16789379.1 (22) Date of filing: 02.05.2016

(51) International Patent Classification (IPC):  A61K 9/00(2006.01) A61K 9/10(2006.01) A61K 9/08(2006.01) C07C 279/26(2006.01) (86) International application number: PCT/IB2016/052484 (87) International publication number: WO 2016/178130 (10.11.2016 Gazette 2016/45)

(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 Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 01.05.2015 WO PCT/IB2015/053207 20.04.2016 US 201615133773 (71) Applicant: Sun Pharmaceutical Industries Ltd 400063 Mumbai, Maharashtra (IN)	(72) Inventors: SINGH, Romi, Barat Varanasi Uttar Pradesh 221002 (IN) KUMAR, Ashish Jhajjar Haryana 124507 (IN) SHEAR, Rajesh Srikrishan Gurgaon Haryana 122001 (IN) JAIN, Satish Kumar Bilaspur Chhattisgarh 495001 (IN) JAIN, Paras P. Amravati Maharashtra 444708 (IN) (74) Representative: Cronin, Brian Harold John  CRONIN Intellectual Property Chemin de Précossy 31 1260 Nyon 1260 Nyon (CH)