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EP 4 313 406 A1

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(43) Date of publication: 07.02.2024 Bulletin 2024/06 (21) Application number: 22717159.2 (22) Date of filing: 23.03.2022

(51) International Patent Classification (IPC):  B01J 23/75(2006.01) B01J 37/08(2006.01) B01J 37/02(2006.01) B01J 21/18(2006.01) B01J 21/08(2006.01) C07C 5/09(2006.01) C07C 33/03(2006.01) (52) Cooperative Patent Classification (CPC): B01J 23/75; B01J 21/08; B01J 21/18; B01J 37/084; B01J 37/086; B01J 37/088; B01J 37/0203; C07C 29/17   C-Sets: C07C 29/17, C07C 33/03; C07C 29/17, C07C 33/035; (86) International application number: PCT/EP2022/057605 (87) International publication number: WO 2022/200411 (29.09.2022 Gazette 2022/39)

(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: 25.03.2021 EP 21164785 (71) Applicant: DSM IP Assets B.V. 6411 TE Heerlen (NL)	(72) Inventors: BELLER, Matthias 18059 Rostock (DE) BONRATH, Werner 4303 Kaiseraugst (CH) JUNGE, Kathrin 18059 Rostock (DE) MCNEICE, Peter 18059 Rostock (DE) MEDLOCK, Jonathan, Alan 4303 Kaiseraugst (CH) MUELLER, Marc-André 4303 Kaiseraugst (CH) (74) Representative: dsm-firmenich IP  DSM-Firmenich AG Wurmisweg 576 4303 Kaiseraugst 4303 Kaiseraugst (CH)