(19)

(11)

EP 3 790 950 A1

(12)

(43) Date of publication: 17.03.2021 Bulletin 2021/11 (21) Application number: 18917802.3 (22) Date of filing: 10.05.2018

(51) International Patent Classification (IPC):  C11D 1/12(2006.01) C11D 3/10(2006.01) C11D 1/22(2006.01) C11D 3/08(2006.01) C11D 17/06(2006.01) C11D 9/00(2006.01) (86) International application number: PCT/CN2018/086291 (87) International publication number: WO 2019/213890 (14.11.2019 Gazette 2019/46)

(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 (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) GUAN, Zhe Beijing 101312 (CN) HUANG, Xu 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)