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EP 4 436 888 A1

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(43) Date of publication: 02.10.2024 Bulletin 2024/40 (21) Application number: 22817945.3 (22) Date of filing: 15.11.2022

(51) International Patent Classification (IPC):  B65D 25/16(2006.01) B65D 77/06(2006.01) B65D 47/20(2006.01) B65D 51/00(2006.01) (52) Cooperative Patent Classification (CPC): B65D 77/06; B65D 77/067; B65D 25/16 (86) International application number: PCT/EP2022/081900 (87) International publication number: WO 2023/094209 (01.06.2023 Gazette 2023/22)

(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: 23.11.2021 WO PCT/CN2021/132348 16.12.2021 EP 21215239 (71) Applicants: Unilever IP Holdings B.V. 3013 AL Rotterdam (NL) AL AT BE BG CH CZ DK EE ES FI FR GR HR HU IS LI LT LU LV MC ME MK NL NO PL PT RO SE SI SK SM  Unilever Global IP Limited Wirral, Merseyside CH62 4ZD (GB) CY DE GB IE IT MT RS TR

(72) Inventors: CHEN, Hao 6708 WH Wageningen (NL) OU, Xiaomo 6708 WH Wageningen (NL) SHEN, Jun 6708 WH Wageningen (NL) ZHANG, Lixiao 6708 WH Wageningen (NL) (74) Representative: Newbould, Frazer Anthony  Unilever Patent Group Bronland 14 6708 WH Wageningen 6708 WH Wageningen (NL)