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(11)

EP 3 681 988 A1

(12)

(43) Date of publication: 22.07.2020 Bulletin 2020/30 (21) Application number: 18759643.2 (22) Date of filing: 03.09.2018

(51) International Patent Classification (IPC):  C11D 1/83(2006.01) C11D 17/00(2006.01) C11D 1/72(2006.01) C11D 3/40(2006.01) C11D 1/22(2006.01) E03D 9/02(2006.01) (86) International application number: PCT/EP2018/073582 (87) International publication number: WO 2019/052842 (21.03.2019 Gazette 2019/12)

(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: 14.09.2017 EP 17191046 (71) Applicants: Unilever N.V. 3013 AL Rotterdam (NL) AL AT BE BG CH CZ DE DK EE ES FI FR GR HR HU IS IT LI LT LU LV MC MK NL NO PL PT RO RS SE SI SK SM TR  Unilever PLC London, Greater London EC4Y 0DY (GB) CY GB IE MT

(72) Inventors: LODOLA, Rita 26841 Casalpusterlengo (IT) LONTOUO TAKEMLON, Olivier 26841 Casalpusterlengo (IT) VALCARENGHI, Ivan 26841 Casalpusterlengo (IT) (74) Representative: Corsten, Michael Allan  Unilever Patent Group Bronland 14 6708 WH Wageningen 6708 WH Wageningen (NL)