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EP 4 824 017 A1

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(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24841057.3 (22) Date of filing: 13.12.2024

(51) International Patent Classification (IPC):  C07C 5/333(2006.01) C07C 11/06(2006.01) (52) Cooperative Patent Classification (CPC): C07C 5/3337; C07C 2521/12; C07C 2523/63; C07C 2523/04; C07C 2523/08; C07C 2523/10; B01J 23/63; B01J 23/96   C-Sets: C07C 5/3337, C07C 11/06; (86) International application number: PCT/US2024/059935 (87) International publication number: WO 2025/128929 (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: 14.12.2023 US 202363610035 P (71) Applicant: Dow Global Technologies LLC Midland, MI 48674 (US)

(72) Inventors: KOEKEN, Adrianus 4542 NM Terneuzen (NL) YU, Mingzhe Freeport, Texas 77541 (US) LUO, Lin Freeport, Texas 77541 (US) MALEK, Andrzej Midland, Michigan 48674 (US) ALY, Mostafa 4542 NM Terneuzen (NL) GOODFELLOW, Brian W. Freeport, Texas 77541 (US) HIRSEKORN, Kurt Frederick Lake Jackson, Texas 77566 (US) SANTOS, Vera 4542 NM Terneuzen (NL) ELLER, Molly Midland, Michigan 48674 (US) BARTON, David Gordon Midland, Michigan 48674 (US) LEE, Wen Sheng Midland, Michigan 48674 (US) MCADON, Mark H. Midland, Michigan 48674 (US) SHARMA, Manish Lake Jackson, Texas 77566 (US) (74) Representative: Beck Greener LLP  Fulwood House 12 Fulwood Place London WC1V 6HR London WC1V 6HR (GB)