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(11)

EP 4 103 777 A1

(12)

(43) Date of publication: 21.12.2022 Bulletin 2022/51 (21) Application number: 21700446.4 (22) Date of filing: 19.01.2021

(51) International Patent Classification (IPC):  D06F 39/02(2006.01) D06F 43/00(2006.01) A47L 25/08(2006.01) (52) Cooperative Patent Classification (CPC): D06F 39/022; D06F 39/024; D06F 43/002; A47L 25/08 (86) International application number: PCT/EP2021/051060 (87) International publication number: WO 2021/160382 (19.08.2021 Gazette 2021/33)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 12.02.2020 IN 202021005980 30.03.2020 EP 20166794 (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 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: FERNANDES, Abhishek, Bm Bangalore 560085 (IN) JAYARAMAN, Raviprakash Bangalore 560 066 Whitefield (IN) NETHAJI, Alagirisamy Mumbai 400 099 Andheri (E) (IN) (74) Representative: Reijns, Tiemen Geert Pieter  Unilever N.V. Unilever Patent Group Bronland 14 6708 WH Wageningen 6708 WH Wageningen (NL)