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(11)

EP 4 580 798 A1

(12)

(43) Date of publication: 09.07.2025 Bulletin 2025/28 (21) Application number: 23813230.2 (22) Date of filing: 27.10.2023

(51) International Patent Classification (IPC):  B01J 8/00(2006.01) B01J 8/22(2006.01) B01J 8/20(2006.01) (52) Cooperative Patent Classification (CPC): B01J 8/226; B01J 2208/00884; B01J 2208/00911; B01J 2208/0092; B01J 2208/00929; B01J 2208/00938; B01J 8/0085; B01J 2208/00017; B01J 2208/00796; B01J 2208/00761; B01J 8/20; B01J 8/22 (86) International application number: PCT/US2023/078021 (87) International publication number: WO 2024/092198 (02.05.2024 Gazette 2024/18)

(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: KH MA MD TN (30) Priority: 28.10.2022 US 202263420177 P (71) Applicant: Dow Global Technologies LLC Midland, MI 48674 (US)

(72) Inventors: TSANG, Chi-Wei Lake Jackson, Texas 77566 (US) YUAN, Quan Lake Jackson, Texas 77566 (US) PRETZ, Matthew T. Freeport, Texas 77541 (US) MEZA, Albert Houston, Texas 77077 (US) WALTER, Richard E. Long Valley, New Jersey 07853 (US) SHAW, Donald F. Forked River, New Jersey 08731 (US) SANDOVAL, Fermin Alejandro Houston, Texas 77077 (US) LI, Liwei Freeport, Texas 77541 (US) (74) Representative: Beck Greener LLP  Fulwood House 12 Fulwood Place London WC1V 6HR London WC1V 6HR (GB)