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EP 4 771 365 A1

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(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24861234.3 (22) Date of filing: 30.08.2024

(51) International Patent Classification (IPC):  G01N 21/73(2006.01) G01N 21/85(2006.01) H05H 1/48(2006.01) G01N 21/71(2006.01) H05H 1/18(2006.01) G01N 21/75(2006.01) H05H 1/24(2006.01) G01J 3/443(2006.01) H05H 1/16(2006.01) (52) Cooperative Patent Classification (CPC): G01N 21/85; H05H 1/52; H05H 2242/22; H05H 1/247; G01N 21/67; G01N 21/8507 (86) International application number: PCT/US2024/044876 (87) International publication number: WO 2025/050050 (06.03.2025 Gazette 2025/10)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 01.09.2023 US 202363536300 P (71) Applicants: The Texas A&M University System College Station, TX 77843-3369 (US) Lithos Industries Inc. Fort Worth, Texas 76107 (US)

(72) Inventors: STAACK, David College Station, Texas 77843-3369 (US) ANTAO, Dion College Station, Texas 77843-3369 (US) AKHTER, Mirza College Station, Texas 77843-3369 (US) WHITSON, Hood Harcourt Fort Worth, Texas 76107 (US) (74) Representative: Beck Greener LLP  Fulwood House 12 Fulwood Place London WC1V 6HR London WC1V 6HR (GB)