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(11)

EP 4 486 666 A1

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(43) Date of publication: 08.01.2025 Bulletin 2025/02 (21) Application number: 23703449.1 (22) Date of filing: 08.02.2023

(51) International Patent Classification (IPC):  B65D 83/00(2006.01) D06F 39/02(2006.01) A47L 15/44(2006.01) (52) Cooperative Patent Classification (CPC): B65D 83/0094; D06F 39/022 (86) International application number: PCT/EP2023/053026 (87) International publication number: WO 2023/161019 (31.08.2023 Gazette 2023/35)

(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: 28.02.2022 WO PCT/CN2022/078216 06.04.2022 EP 22166988 (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) NIE, Min 6708 WH Wageningen (NL) SHEN, Jun 6708 WH Wageningen (NL) (74) Representative: Newbould, Frazer Anthony  Unilever Patent Group Bronland 14 6708 WH Wageningen 6708 WH Wageningen (NL)