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EP 4 377 082 A1

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(43) Date of publication: 05.06.2024 Bulletin 2024/23 (21) Application number: 22757297.1 (22) Date of filing: 28.07.2022

(51) International Patent Classification (IPC):  B32B 5/02(2006.01) B32B 27/12(2006.01) B32B 27/22(2006.01) C09J 7/24(2018.01) B32B 7/12(2006.01) B32B 27/20(2006.01) B32B 27/30(2006.01) E04D 5/14(2006.01) (52) Cooperative Patent Classification (CPC): B32B 5/022; B32B 5/028; B32B 7/12; B32B 27/12; B32B 27/20; B32B 27/22; B32B 27/304; B32B 2255/10; B32B 2255/26; B32B 2262/0253; B32B 2262/0261; B32B 2262/0276; B32B 2262/0284; B32B 2307/304; B32B 2307/54; B32B 2307/51; B32B 2307/558; B32B 2307/5825; B32B 2307/72; B32B 2307/724; B32B 2307/7265; B32B 2307/732; B32B 2419/06; E04D 5/10; E04D 5/06 (86) International application number: PCT/EP2022/071264 (87) International publication number: WO 2023/006911 (02.02.2023 Gazette 2023/05)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 30.07.2021 WO PCT/CN2021/109559 (71) Applicant: Sika Technology AG 6340 Baar (CH)	(72) Inventors: CUI, Hui Shanghai 201108 (CN) WEI, Yizhe Shanghai 201108 (CN) WEI, Qin Shanghai 201108 (CN) (74) Representative: Sika Patent Attorneys  C/o Sika Technology AG Corp. IP Dept. Tüffenwies 16 8048 Zürich 8048 Zürich (CH)