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(11)

EP 4 118 261 A1

(12)

(43) Date of publication: 18.01.2023 Bulletin 2023/03 (21) Application number: 21718264.1 (22) Date of filing: 10.03.2021

(51) International Patent Classification (IPC):  D01F 1/10(2006.01) D01F 6/94(2006.01) D03D 15/56(2021.01) D01F 6/70(2006.01) D02G 3/32(2006.01) (52) Cooperative Patent Classification (CPC): D01F 1/10; D01F 6/70; D01F 6/94; D02G 3/328 (86) International application number: PCT/US2021/021646 (87) International publication number: WO 2021/183609 (16.09.2021 Gazette 2021/37)

(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: 11.03.2020 US 202062988163 P (71) Applicant: The LYCRA Company UK Limited Manchester M2 3DE (GB)	(72) Inventors: LIAO, Tianyi Chadds Ford, Pennsylvania 19317 (US) KURLAND, Nicholas E. Staunton, Virginia 24401 (US) LIU, Hong Waynesboro, Virginia 22980 (US) HUANG, Yucheng Charlottesville, Virginia 22901 (US) (74) Representative: Carpmaels & Ransford LLP  One Southampton Row London WC1B 5HA London WC1B 5HA (GB)