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(11)

EP 4 771 213 A1

(12)

(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24758392.5 (22) Date of filing: 29.07.2024

(51) International Patent Classification (IPC):  D04H 1/4291(2012.01) C08L 23/04(2006.01) D04H 1/56(2006.01) D04H 3/007(2012.01) C08L 23/08(2025.01) (52) Cooperative Patent Classification (CPC): A61L 15/48; D04H 3/007; A61L 15/60; D04H 1/4291; A61F 2013/530481; D04H 1/565; C08L 23/0815; A61L 15/24   C-Sets: A61L 15/24, C08L 23/04; (86) International application number: PCT/US2024/040006 (87) International publication number: WO 2025/049021 (06.03.2025 Gazette 2025/10)

(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: 30.08.2023 US 202363535443 P (71) Applicant: Dow Global Technologies LLC Midland, MI 48674 (US)	(72) Inventors: LIN, Yijian Freeport, TX 77541 (US) PATEL, Rajen, M. Freeport, TX 77541 (US) THAKRE, Piyush, R. Freeport, TX 77541 (US) BITINIS, Georgia, Natacha Eftalie 43006 Tarragona (ES) WEVERS, Ronald 4530AA Terneuzen (NL) (74) Representative: Boult Wade Tennant LLP  Salisbury Square House 8 Salisbury Square London EC4Y 8AP London EC4Y 8AP (GB)