(19)

(11)

EP 4 232 278 A1

(12)

(43) Date of publication: 30.08.2023 Bulletin 2023/35 (21) Application number: 21787425.4 (22) Date of filing: 06.10.2021

(51) International Patent Classification (IPC):  B32B 17/10(2006.01) (52) Cooperative Patent Classification (CPC): B32B 17/1066; B32B 17/10761; B32B 17/10036; B32B 17/10568; B32B 17/10357; B32B 2605/08; B32B 17/10788; B32B 17/1077; B32B 17/10348; B32B 17/10275   C-Sets: B32B 17/10005, B32B 2367/00; (86) International application number: PCT/EP2021/077553 (87) International publication number: WO 2022/089901 (05.05.2022 Gazette 2022/18)

(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 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: 26.10.2020 EP 20203783 (71) Applicant: Kuraray Europe GmbH 65795 Hattersheim (DE)	(72) Inventors: JANSSEN, Christian 65795 Hattersheim am Main (DE) KELLER, Uwe 77210 Avon (FR) (74) Representative: Janßen, Christian Oliver  Kuraray Europe GmbH Phillip-Reis-Straße 4 65795 Hattersheim 65795 Hattersheim (DE)