(19)

(11)

EP 4 823 931 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24838056.0 (22) Date of filing: 04.12.2024

(51) International Patent Classification (IPC):  B65D 1/22(2006.01) B65D 81/38(2006.01) B65D 1/44(2006.01) B65D 1/26(2006.01) (52) Cooperative Patent Classification (CPC): B65D 1/44; B65D 1/265 (86) International application number: PCT/US2024/058420 (87) International publication number: WO 2025/128379 (19.06.2025 Gazette 2025/25)

(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: 12.12.2023 US 202363608976 P (71) Applicant: TOPPAN Thermoformed Packaging Holdings, Inc. Charlotte, North Carolina 28203 (US)	(72) Inventors: PHILLIPS, Charles A. Hartsville, SC 29550 (US) DEY, Subir K. Hartsville, SC 29550 (US) (74) Representative: Marks & Clerk LLP  15 Fetter Lane London EC4A 1BW London EC4A 1BW (GB)