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EP 3 980 592 A1

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(43) Date of publication: 13.04.2022 Bulletin 2022/15 (21) Application number: 20749985.6 (22) Date of filing: 03.06.2020

(51) International Patent Classification (IPC):  D03D 1/00(2006.01) D03D 15/00(2021.01) D04B 21/16(2006.01) D04H 3/04(2012.01) D03D 9/00(2006.01) D04B 21/10(2006.01) D04H 3/005(2012.01) (52) Cooperative Patent Classification (CPC): D03D 1/00; D03D 9/00; D10B 2331/04; D10B 2403/0243; D10B 2403/02412; D10B 2505/02; D04H 1/58; D04B 21/12; D03D 15/283 (86) International application number: PCT/US2020/035917 (87) International publication number: WO 2020/247493 (10.12.2020 Gazette 2020/50)

(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: 04.06.2019 US 201962857078 P (71) Applicant: Milliken & Company Spartanburg, South Carolina 29303 (US)

(72) Inventors: SRIVASTAVA, Sudhanshu Greer, South Carolina 29650 (US) GERHARDT, Warren W. Spartanburg, South Carolina 29301 (US) MICHAELS, Emily W. Taylors, South Carolina 29687 (US) STAFFORD, Jeffrey A. Greenville, South Carolina 29611 (US) NEUVILLE, Kurt 9070 Destelbergen (BE) (74) Representative: Hoffmann Eitle  Patent- und Rechtsanwälte PartmbB Arabellastraße 30 81925 München 81925 München (DE)