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EP 3 551 741 A1

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(43) Date of publication: 16.10.2019 Bulletin 2019/42 (21) Application number: 17792091.5 (22) Date of filing: 03.11.2017

(51) International Patent Classification (IPC):  C11D 3/48(2006.01) C11D 3/00(2006.01) C11D 3/395(2006.01) (86) International application number: PCT/EP2017/078197 (87) International publication number: WO 2018/103973 (14.06.2018 Gazette 2018/24)

(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: MA MD (30) Priority: 09.12.2016 EP 16203298 (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: PRAMANIK, Amitava Bangalore 560 066 (IN) SARKAR, Priyanka Bangalore 560 066 (IN) SHAH, Nimish, Harshadrai Bangalore 560 066 (IN) (74) Representative: Newbould, Frazer Anthony  Unilever PLC Unilever Patent Group Colworth House Sharnbrook Bedford, Bedfordshire MK44 1LQ Colworth House Sharnbrook Bedford, Bedfordshire MK44 1LQ (GB)