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EP 4 798 359 A1

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(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24791014.4 (22) Date of filing: 22.10.2024

(51) International Patent Classification (IPC):  B01J 8/00(2006.01) C07C 29/151(2006.01) B01J 8/02(2006.01) (52) Cooperative Patent Classification (CPC): C07C 29/1518; B01J 8/001; B01J 8/003; B01J 8/0285; B01J 2208/00115; B01J 2208/00176; B01J 2208/00407   C-Sets: C07C 29/1518, C07C 31/04; (86) International application number: PCT/EP2024/079849 (87) International publication number: WO 2025/087918 (01.05.2025 Gazette 2025/18)

(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: 26.10.2023 EP 23206065 (71) Applicant: CASALE SA 6900 Lugano (CH)	(72) Inventors: MUSCIONICO, Isabella 22030 Orsenigo (CO) (IT) POLETTI, Riccardo 6932 Breganzona (CH) MOREO, Pietro 6900 Lugano (CH) (74) Representative: M. Zardi & Co S.A.  Via G. B. Pioda, 6 6900 Lugano 6900 Lugano (CH)