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(11)

EP 4 540 041 A1

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(43) Date of publication: 23.04.2025 Bulletin 2025/17 (21) Application number: 23733920.5 (22) Date of filing: 16.06.2023

(51) International Patent Classification (IPC):  B29C 45/00(2006.01) B29B 9/00(2006.01) B65D 65/46(2006.01) B29B 7/38(2006.01) B65D 1/26(2006.01) C08L 101/16(2006.01) (52) Cooperative Patent Classification (CPC): B29C 45/0001; B29B 7/38; B29K 2511/00; B29K 2995/006; B29L 2031/7132; B65D 1/265; C08L 101/16; B29C 45/0013; B29B 9/12; B29B 9/06; B29B 7/92; B29B 7/90; B29B 9/16; B29B 7/726; C08L 67/04; B65D 65/466; B65D 2565/384   C-Sets: C08L 67/04, C08L 99/00; (86) International application number: PCT/EP2023/066245 (87) International publication number: WO 2023/242401 (21.12.2023 Gazette 2023/51)

(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: KH MA MD TN (30) Priority: 17.06.2022 DK PA202200584 (71) Applicant: Rethink Materials ApS 2500 Valby (DK)	(72) Inventors: BYRGESEN, Marcus Alexander 6400 Sønderborg (DK) DEDIC, Alem 6400 Sønderborg (DK) BYRGESEN, Tinus Benjamin 2300 København S (DK) (74) Representative: Larsen & Birkeholm A/S  Banegårdspladsen 1 1570 Copenhagen V 1570 Copenhagen V (DK)