(19)

(11)

EP 4 294 232 A1

(12)

(43) Date of publication: 27.12.2023 Bulletin 2023/52 (21) Application number: 22705060.6 (22) Date of filing: 15.02.2022

(51) International Patent Classification (IPC):  A45D 1/06(2006.01) A45D 2/00(2006.01) A45D 1/28(2006.01) (52) Cooperative Patent Classification (CPC): A45D 1/06; A45D 1/28; A45D 2/001 (86) International application number: PCT/EP2022/053564 (87) International publication number: WO 2022/175213 (25.08.2022 Gazette 2022/34)

(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: 16.02.2021 EP 21157312 (71) Applicant: Koninklijke Philips N.V. 5656 AG Eindhoven (NL)	(72) Inventor: PANG, Chuen Yu Cyrus 5656 AG Eindhoven (NL) (74) Representative: Philips Intellectual Property & Standards  High Tech Campus 52 5656 AG Eindhoven 5656 AG Eindhoven (NL)