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(11)

EP 4 515 027 A1

(12)

(43) Date of publication: 05.03.2025 Bulletin 2025/10 (21) Application number: 23808187.1 (22) Date of filing: 16.05.2023

(51) International Patent Classification (IPC):  D01D 5/10(2006.01) D01F 9/22(2006.01) D01F 9/17(2006.01) D01F 8/08(2006.01) (52) Cooperative Patent Classification (CPC): D01F 8/08; D01F 9/22; D01D 5/10; D01F 9/17 (86) International application number: PCT/US2023/022408 (87) International publication number: WO 2023/225010 (23.11.2023 Gazette 2023/47)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 16.05.2022 US 202263342537 P (71) Applicant: North Carolina State University Raleigh, NC 27606 (US)	(72) Inventors: FORD, Ericka, N. Raleigh, NC 27606 (US) JIMENEZ, Javier Raleigh, NC 27603 (US) SALZMANN, Isabelle Raleigh, NC 27603 (US) (74) Representative: Isarpatent  Patent- und Rechtsanwälte Barth Hassa Peckmann & Partner mbB Friedrichstraße 31 80801 München 80801 München (DE)