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(11)

EP 4 770 924 A1

(12)

(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24861140.2 (22) Date of filing: 30.08.2024

(51) International Patent Classification (IPC):  B65D 77/04(2006.01) B65D 81/18(2006.01) B65D 33/01(2006.01) B65D 65/40(2006.01) (52) Cooperative Patent Classification (CPC): B65D 77/04; B65D 31/02; B32B 2439/46; B32B 27/306; B32B 27/32; B32B 27/34; B32B 2439/80; B32B 2250/24; B32B 27/08; B32B 2307/7376; B32B 2307/31 (86) International application number: PCT/US2024/044673 (87) International publication number: WO 2025/049907 (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: 01.09.2023 US 202363580143 P (71) Applicant: Entegris, Inc. Billerica, MA 01821 (US)	(72) Inventor: SCHÖNBURG, Toni Billerica, Massachusetts 01821 (US) (74) Representative: Greaves Brewster LLP  Copa House Station Road Cheddar, Somerset BS27 3AH Cheddar, Somerset BS27 3AH (GB)