(19)

(11)

EP 3 820 607 A1

(12)

(43) Date of publication: 19.05.2021 Bulletin 2021/20 (21) Application number: 19736759.2 (22) Date of filing: 11.07.2019

(51) International Patent Classification (IPC):  B01J 20/28(2006.01) B01D 53/06(2006.01) B01J 20/04(2006.01) (86) International application number: PCT/EP2019/068758 (87) International publication number: WO 2020/011953 (16.01.2020 Gazette 2020/03)

(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: 11.07.2018 WO PCT/EP2018/068770 11.07.2018 US 201816032152 (71) Applicant: S.A. LHOIST RECHERCHE ET DEVELOPPEMENT 1342 Ottignies-Louvain-la-Neuve (BE)	(72) Inventors: FOO, Rodney Raleigh SS6 9QN (GB) LYONS, David Fort Worth, TX 76118 (US) SARATOVSKY, Ian Highland Park, IL 60035 (US) (74) Representative: Gevers Patents  Intellectual Property House Holidaystraat 5 1831 Diegem 1831 Diegem (BE)