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EP 4 499 296 A1

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(43) Date of publication: 05.02.2025 Bulletin 2025/06 (21) Application number: 23775671.3 (22) Date of filing: 23.03.2023

(51) International Patent Classification (IPC):  B01J 20/22(2006.01) B01J 20/34(2006.01) B01J 20/28(2006.01) C02F 1/28(2023.01) (52) Cooperative Patent Classification (CPC): B01J 20/226; B01J 20/3433; B01J 20/3475; C02F 2101/12; C02F 2303/16; C02F 1/288 (86) International application number: PCT/US2023/016102 (87) International publication number: WO 2023/183500 (28.09.2023 Gazette 2023/39)

(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: 24.03.2022 US 202263323436 P (71) Applicant: Electric Power Research Institute, Inc. Palo Alto, CA 94304-1338 (US)	(72) Inventors: FRATTINI, Paul, L. St. Charles, MO 63301 (US) WELLS, Daniel, M. Charlotte, NC 28205 (US) HOWARTH, Ashlee, J. Montreal, QC H4V 2C3 (CA) COPEMAN, Christopher, James Québec J5R 3T9 (CA) FRUZZETTI, Keith, Paul San Jose, CA 95123 (US) (74) Representative: Marks & Clerk LLP  15 Fetter Lane London EC4A 1BW London EC4A 1BW (GB)