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(11)

EP 4 551 324 A1

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(43) Date of publication: 14.05.2025 Bulletin 2025/20 (21) Application number: 23738653.7 (22) Date of filing: 30.06.2023

(51) International Patent Classification (IPC):  B01J 13/16(2006.01) A01N 25/28(2006.01) A61K 8/11(2006.01) B01J 13/10(2006.01) C11D 3/50(2006.01) A23P 10/30(2016.01) A61K 9/50(2006.01) F28D 20/02(2006.01) (52) Cooperative Patent Classification (CPC): B01J 13/16; C11D 3/505; A23P 10/30; A61K 8/11; B01J 13/10; A61K 9/5036; A61K 9/5089; C11D 17/0039; A61Q 13/00; A61K 8/736; A61K 8/64; A61Q 5/12; A61Q 19/10; A61Q 15/00 (86) International application number: PCT/EP2023/068046 (87) International publication number: WO 2024/008583 (11.01.2024 Gazette 2024/02)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 04.07.2022 WO PCT/CN2022/103669 21.07.2022 EP 22186252 (71) Applicant: Firmenich SA 1242 Satigny (CH)	(72) Inventors: WU, Yongtao Shanghai 201108 (CN) SHEN, Jia-Jun Shanghai 201108 (CN) GAO, Shi-Wen Shanghai 201108 (CN) GUO, Xuhong Shanghai 200237 (CN) (74) Representative: dsm-firmenich IP  DSM-Firmenich AG Wurmisweg 576 4303 Kaiseraugst 4303 Kaiseraugst (CH)