(19)

(11)

EP 3 600 265 A1

(12)

(43) Date of publication: 05.02.2020 Bulletin 2020/06 (21) Application number: 18774366.1 (22) Date of filing: 29.03.2018

(51) International Patent Classification (IPC):  A61K 9/70(2006.01) A61P 25/28(2006.01) C07D 215/18(2006.01) A61K 31/47(2006.01) A61P 29/00(2006.01) (86) International application number: PCT/CA2018/050389 (87) International publication number: WO 2018/176149 (04.10.2018 Gazette 2018/40)

(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: 30.03.2017 US 201762478876 P (71) Applicant: Intelgenx Corp. St. Laurent, Québec H4S 1Y2 (CA)	(72) Inventors: PAIEMENT, Nadine St-Laurent Québec H4R 3M4 (CA) ZERBE, Horst G. Hudson Québec J0P 1J0 (CA) CONWAY, Justin W. Carignan Québec J3L 4G7 (CA) OBEID, Rodolphe St-Laurent Québec H4L 5P4 (CA) (74) Representative: Wichmann, Hendrik  Wuesthoff & Wuesthoff Patentanwälte PartG mbB Schweigerstraße 2 81541 München 81541 München (DE)