(19)

(11)

EP 4 816 158 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24827553.9 (22) Date of filing: 27.11.2024

(51) International Patent Classification (IPC):  B32B 5/26(2006.01) B32B 1/08(2006.01) B32B 15/14(2006.01) B32B 5/02(2006.01) (52) Cooperative Patent Classification (CPC): B32B 2262/101; B32B 2262/106; B32B 2260/046; B32B 2262/0269; B32B 2260/021; B32B 2597/00; B32B 15/14; B32B 5/26; B32B 5/02; B32B 2307/732; B32B 1/08 (86) International application number: PCT/US2024/057758 (87) International publication number: WO 2025/117746 (05.06.2025 Gazette 2025/23)

(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: 01.12.2023 US 202363605089 P (71) Applicant: Avient Corporation Avon Lake, Ohio 44012 (US)	(72) Inventors: DESILVA, Brent Avon Lake, Ohio 44012 (US) MA, Sharon Avon Lake, Ohio 44012 (US) OHAMA, Kenta Avon Lake, Ohio 44012 (US) MESSMORE, Benjamin Avon Lake, Ohio 44012 (US) KNOBLAUCH, Michael Avon Lake, Ohio 44012 (US) (74) Representative: Haseltine Lake Kempner LLP  Cheapside House 138 Cheapside London EC2V 6BJ London EC2V 6BJ (GB)