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(11)

EP 4 824 027 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24828781.5 (22) Date of filing: 13.12.2024

(51) International Patent Classification (IPC):  C07C 49/557(2006.01) C07C 45/62(2006.01) C11B 9/00(2006.01) C07C 45/85(2006.01) C07C 49/543(2006.01) (52) Cooperative Patent Classification (CPC): C11B 9/0034; C07C 49/557; C07C 2601/16; C07B 2200/07; C07C 45/85; C07C 45/62   C-Sets: C07C 45/85, C07C 49/557; C07C 45/62, C07C 49/543; (86) International application number: PCT/EP2024/086135 (87) International publication number: WO 2025/125532 (19.06.2025 Gazette 2025/25)

(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: GE KH MA MD TN (30) Priority: 15.12.2023 EP 23217228 (71) Applicant: Givaudan SA 1214 Vernier (CH)	(72) Inventors: DE LUCA, Lorena 8310 Kemptthal (CH) COCITO ARMANINO, Nicolas 8310 Kemptthal (CH) GOEKE, Andreas 8310 Kemptthal (CH) ROBLEDO, Marvin 8310 Kemptthal (CH) (74) Representative: Global Patents  Givaudan SA Grafenaustrasse 7 6300 Zug 6300 Zug (CH)