(19)

(11)

EP 4 770 869 A1

(12)

(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24768802.1 (22) Date of filing: 21.08.2024

(51) International Patent Classification (IPC):  B32B 27/30(2006.01) B32B 1/08(2006.01) B32B 7/12(2006.01) C08L 27/06(2006.01) B32B 27/12(2006.01) B32B 5/02(2006.01) F16L 11/04(2006.01) (52) Cooperative Patent Classification (CPC): B32B 5/02; B32B 27/304; B32B 27/12; B32B 2250/40; B32B 2262/0253; B32B 2597/00; B32B 1/08; B32B 7/12; F16L 11/04; B32B 2605/00; C08L 27/06; C08K 5/098; C08K 5/12; C08K 5/1515   C-Sets: C08L 27/06, C08L 23/0869, C08K 5/04; (86) International application number: PCT/US2024/043148 (87) International publication number: WO 2025/049185 (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: 29.08.2023 US 202363579310 P (71) Applicant: ContiTech USA, Inc. Fairlawn, OH 44333 (US)	(72) Inventors: KHAN, Naveed Massillon Road Fairlawn, Ohio 44333 (US) WILSON, Flint Massillon Road Fairlawn, Ohio 44333 (US) MCCRACKEN, Adam Massillon Road Fairlawn, Ohio 44333 (US) (74) Representative: Preusser, Andrea  ContiTech Deutschland GmbH Intellectual Property Philipsbornstraße 1 30165 Hannover 30165 Hannover (DE)