(19)

(11)

EP 4 823 732 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24828683.3 (22) Date of filing: 11.12.2024

(51) International Patent Classification (IPC):  B01J 8/08(2006.01) B01J 8/26(2006.01) B01J 8/18(2006.01) B01J 19/00(2006.01) (52) Cooperative Patent Classification (CPC): B01J 8/1836; B01J 19/0013; B01J 2208/00176; B01J 2208/00017; B01J 2208/0053; B01J 8/26; B01J 8/1809; B01J 2208/00548; B01J 8/087; B01J 2208/00088 (86) International application number: PCT/US2024/059485 (87) International publication number: WO 2025/128644 (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 202363609905 P (71) Applicant: Dow Global Technologies LLC Midland, MI 48674 (US)	(72) Inventors: HELFRICH, Nathaniel S. Freeport, Texas 77541 (US) PRETZ, Matthew T. Freeport, Texas 77541 (US) MCNEELEY, Adam M. Blacksburg, Virginia 24601 (US) WALTER, Richard Edwards Long Valley, New Jersey 07853 (US) (74) Representative: Beck Greener LLP  Fulwood House 12 Fulwood Place London WC1V 6HR London WC1V 6HR (GB)