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EP 4 739 722 A1

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(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 23762138.8 (22) Date of filing: 06.07.2023

(51) International Patent Classification (IPC):  C08G 18/09(2006.01) C08G 18/32(2006.01) C08G 18/66(2006.01) C08K 3/26(2006.01) C08G 65/26(2006.01) B29C 67/24(2006.01) C08G 18/48(2006.01) C08G 18/76(2006.01) C08K 7/14(2006.01) (52) Cooperative Patent Classification (CPC): C08G 18/4812; C08G 2110/0083; C08G 2110/0066; C08G 18/7664; C08G 18/092; C08G 2110/0025; C08G 18/3206; C08G 18/6674; B29C 67/246; C08G 18/4829; C08K 2003/265   C-Sets: C08K 7/14, C08L 75/08; C08K 3/36, C08L 75/04; (86) International application number: PCT/CN2023/106025 (87) International publication number: WO 2025/007333 (09.01.2025 Gazette 2025/02)

(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 (71) Applicant: Dow Global Technologies LLC Midland, MI 48674 (US)

(72) Inventors: SUZUKI, Masayuki Yokohama-shi, Kanagawa-ken 221-0024 (JP) WANG, Yun Shanghai 201203 (CN) SUN, Gang Shanghai 201203 (CN) KEATON, An Nguyen Lake Jackson, Texas 77566 (US) BAGGIO, Enrico 42015 Correggio (RE) (IT) DIENA, Paolo 42015 Correggio (RE) (IT) KEATON, Richard Lake Jackson Texas 77566 (US) (74) Representative: Beck Greener LLP  Fulwood House 12 Fulwood Place London WC1V 6HR London WC1V 6HR (GB)