(19)

(11)

EP 3 743 504 A1

(12)

(43) Date of publication: 02.12.2020 Bulletin 2020/49 (21) Application number: 18902635.4 (22) Date of filing: 26.01.2018

(51) International Patent Classification (IPC):  C11D 17/06(2006.01) C11D 1/02(2006.01) C11D 7/32(2006.01) C11D 1/12(2006.01) (86) International application number: PCT/CN2018/074284 (87) International publication number: WO 2019/144372 (01.08.2019 Gazette 2019/31)

(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 TN (71) Applicant: The Procter & Gamble Company Cincinnati, OH 45202 (US)	(72) Inventors: XU, Dan Beijing 101312 (CN) SHEN, Rui Beijing 101312 (CN) TIAN, Xiao Beijing 101312 (CN) (74) Representative: P&G Patent Belgium UK  N.V. Procter & Gamble Services Company S.A. Temselaan 100 1853 Strombeek-Bever 1853 Strombeek-Bever (BE)