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(11)

EP 4 153 799 A1

(12)

(43) Date of publication: 29.03.2023 Bulletin 2023/13 (21) Application number: 21808989.4 (22) Date of filing: 19.05.2021

(51) International Patent Classification (IPC):  D01F 1/00(2006.01) C09B 67/08(2006.01) G02F 1/167(2006.01) C09B 5/26(2006.01) G02F 1/163(2006.01) (52) Cooperative Patent Classification (CPC): D01F 1/00; D01F 8/00; G02F 1/132; G02F 1/0147; C09B 67/0013 (86) International application number: PCT/US2021/033216 (87) International publication number: WO 2021/236805 (25.11.2021 Gazette 2021/47)

(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 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: 21.05.2020 US 202016880793 (71) Applicant: University of Central Florida Research Foundation, Inc. Orlando, FL 32826 (US)	(72) Inventors: ABOURADDY, Ayman Orlando, Florida 32826 (US) KAUFMAN, Joshua Orlando, Florida 32826 (US) TAN, Felix Orlando, Florida 32826 (US) MONROE, Morgan Orlando, Florida 32826 (US) (74) Representative: Barker Brettell LLP  100 Hagley Road Edgbaston Birmingham, West Midlands B16 8QQ Birmingham, West Midlands B16 8QQ (GB)