(19)

(11)

EP 3 661 379 A1

(12)

(43) Date of publication: 10.06.2020 Bulletin 2020/24 (21) Application number: 18773021.3 (22) Date of filing: 29.08.2018

(51) International Patent Classification (IPC):  A41D 13/11(2006.01) (86) International application number: PCT/US2018/048556 (87) International publication number: WO 2019/046434 (07.03.2019 Gazette 2019/10)

(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: 01.09.2017 US 201762553658 P (71) Applicant: ClearMask, LLC Baltimore, Maryland 21230 (US)	(72) Inventors: LAM, Inez Tsz Wa Baltimore Maryland 21230 (US) HSU, Aaron Baltimore Maryland 21230 (US) (74) Representative: Boult Wade Tennant LLP  Salisbury Square House 8 Salisbury Square London EC4Y 8AP London EC4Y 8AP (GB)