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(11)

EP 3 711 040 A1

(12)

(43) Date of publication: 23.09.2020 Bulletin 2020/39 (21) Application number: 17932565.9 (22) Date of filing: 16.11.2017

(51) International Patent Classification (IPC):  G09B 25/00(2006.01) A47F 7/00(2006.01) (86) International application number: PCT/CN2017/111250 (87) International publication number: WO 2019/095179 (23.05.2019 Gazette 2019/21)

(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 (71) Applicant: The Procter & Gamble Company Cincinnati, OH 45202 (US)	(72) Inventors: SU, Yang Beijing 101312 (CN) TIAN, Lei Beijing 101312 (CN) OUYANG, Yumeng Beijing 101312 (CN) (74) Representative: P&G Patent Germany  Procter & Gamble Service GmbH Sulzbacher Straße 40 65824 Schwalbach am Taunus 65824 Schwalbach am Taunus (DE)