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EP 4 798 442 A1

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(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24798462.8 (22) Date of filing: 25.10.2024

(51) International Patent Classification (IPC):  B32B 27/36(2006.01) B32B 5/18(2006.01) B32B 27/08(2006.01) B32B 27/20(2006.01) B32B 5/16(2006.01) B32B 27/06(2006.01) B32B 27/18(2006.01) (52) Cooperative Patent Classification (CPC): B32B 3/06; B32B 5/18; B32B 5/16; B32B 7/02; B32B 7/027; B32B 19/02; B32B 19/04; B32B 21/02; B32B 21/04; B32B 21/14; B32B 27/06; B32B 27/065; B32B 27/08; B32B 27/16; B32B 27/18; B32B 27/20; B32B 27/36; B32B 2250/02; B32B 2250/03; B32B 2250/244; B32B 2250/40; B32B 2255/04; B32B 2255/08; B32B 2255/10; B32B 2255/102; B32B 2255/26; B32B 2255/28; B32B 2260/025; B32B 2260/026; B32B 2260/046; B32B 2264/10; B32B 2264/067; B32B 2264/104; B32B 2270/00; B32B 2272/00; B32B 2451/00; B32B 2607/00; B32B 2471/00; B32B 2307/732; B32B 2266/0264; C08G 63/916; E04F 15/02038; E04F 15/107; E04F 15/105; E04F 2201/0153; E04F 2201/023; E04F 2201/043 (86) International application number: PCT/EP2024/080233 (87) International publication number: WO 2025/088120 (01.05.2025 Gazette 2025/18)

(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: GE KH MA MD TN (30) Priority: 26.10.2023 CN 202311398571 11.05.2024 CN 202410580354 (71) Applicants: I4F LICENSING NV 2300 Turnhout (BE) Zhejiang Tianzhen Technology Co., Ltd. Huzhou, Zhejiang 313300 (CN)

(72) Inventors: FANG, Qinghua Huzhou, Zhejiang 313300 (CN) TANG, Wenjin Huzhou, Zhejiang 313300 (CN) (74) Representative: Patentwerk B.V.  P.O. Box 1514 5200 BN 's-Hertogenbosch 5200 BN 's-Hertogenbosch (NL)