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EP 4 228 810 A1

(12)

(43) Date of publication: 23.08.2023 Bulletin 2023/34 (21) Application number: 21786991.6 (22) Date of filing: 14.10.2021

(51) International Patent Classification (IPC):  B01J 29/74(2006.01) B01J 35/04(2006.01) C01B 33/26(2006.01) B01J 20/32(2006.01) B01D 53/94(2006.01) B01J 29/60(2006.01) B01J 29/82(2006.01) C01B 39/48(2006.01) B01J 37/02(2006.01) F01N 3/08(2006.01) B01J 23/44(2006.01) B01J 23/58(2006.01) (52) Cooperative Patent Classification (CPC): B01J 35/002; B01J 35/04; B01J 29/82; B01J 2229/186; B01J 2229/42; B01J 37/0244; F01N 3/0842; B01D 53/9481; B01J 23/44; B01J 29/74; B01J 37/0246; B01J 35/0006; F01N 3/0814; F01N 3/28; F01N 3/035; F01N 2510/06; F01N 2510/063; F01N 3/2066; B01J 23/58; B01D 53/02; B01D 53/9477; B01D 2253/1085; B01D 2253/1122; B01D 2255/1023; B01D 2255/50; B01D 2255/91; B01D 2258/012; Y02A 50/20; Y02T 10/12 (86) International application number: PCT/EP2021/078388 (87) International publication number: WO 2022/079141 (21.04.2022 Gazette 2022/16)

(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: 14.10.2020 EP 20201663 (71) Applicant: Umicore AG & Co. KG 63457 Hanau-Wolfgang (DE)	(72) Inventors: GEERTS-CLAES, Hannelore 3000 Leuven (BE) HENGST, Christoph 35510 Butzbach (DE) SCHUETZE, Frank-Walter 63739 Aschaffenburg (DE) MARTENS, Johan, Adriaan 3051 Sint Joris Weert (BE) DE PRINS, Michiel 3001 Heverlee (BE) SMET, Sam 3010 Kessel-Lo (BE) VANBUTSELE, Gina 3110 Rotselaar (BE)