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(11)

EP 4 085 062 A1

(12)

(43) Date of publication: 09.11.2022 Bulletin 2022/45 (21) Application number: 21714022.7 (22) Date of filing: 20.02.2021

(51) International Patent Classification (IPC):  C07F 9/6561(2006.01) A61K 31/675(2006.01) A61P 31/12(2006.01) (52) Cooperative Patent Classification (CPC): C07F 9/6561; A61P 31/12; A61P 31/18 (86) International application number: PCT/IN2021/050164 (87) International publication number: WO 2021/165995 (26.08.2021 Gazette 2021/34)

(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: KH MA MD TN (30) Priority: 20.02.2020 IN 202021007275 (71) Applicant: Cipla Limited Mumbai, Maharashtra 400013 (IN)	(72) Inventors: PATHI, Srinivas Laxminarayan Bangalore, Karnataka 560043 (IN) CHENNURU, Ramanaiah Andhra Pradesh 524121 (IN) DEVARAPALLI, Ramesh Andhra Pradesh 521214 (IN) (74) Representative: Isarpatent  Patent- und Rechtsanwälte Barth Charles Hassa Peckmann & Partner mbB Friedrichstrasse 31 80801 München 80801 München (DE)