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(11)

EP 4 816 341 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24821684.8 (22) Date of filing: 20.11.2024

(51) International Patent Classification (IPC):  C07C 5/48(2006.01) C07C 11/02(2006.01) C07C 7/09(2006.01) (52) Cooperative Patent Classification (CPC): C07C 5/48; C07C 7/00   C-Sets: C07C 5/48, C07C 11/02; C07C 7/00, C07C 11/02; (86) International application number: PCT/US2024/056641 (87) International publication number: WO 2025/117281 (05.06.2025 Gazette 2025/23)

(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: 30.11.2023 US 202363604564 P (71) Applicant: Dow Global Technologies LLC Midland, MI 48674 (US)	(72) Inventors: SAYYAR, Bahareh Freeport, Texas 77541 (US) ZHANG, Yue Freeport, Texas 77541 (US) HUGHES, Alistair 4542 NM Terneuzen (NL) PRETZ, Matthew T. Freeport, Texas 77541 (US) HOLDERNESS, John Freeport, Texas 77541 (US) DILLON, John J. Freeport, Texas 77541 (US) (74) Representative: Beck Greener LLP  Fulwood House 12 Fulwood Place London WC1V 6HR London WC1V 6HR (GB)