(19)

(11)

EP 4 680 778 A1

(12)

(43) Date of publication: 21.01.2026 Bulletin 2026/04 (21) Application number: 24771758.0 (22) Date of filing: 14.03.2024

(51) International Patent Classification (IPC):  C22B 21/00(2006.01) C22C 1/02(2006.01) B22D 11/00(2006.01) C22F 1/04(2006.01) (52) Cooperative Patent Classification (CPC): B21C 29/003; B21C 23/085; B21C 23/002; C22C 1/026; C22C 21/02 (86) International application number: PCT/US2024/019992 (87) International publication number: WO 2024/192278 (19.09.2024 Gazette 2024/38)

(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: 15.03.2023 US 202363452315 P 14.07.2023 US 202363526724 P (71) Applicant: Battelle Memorial Institute Richland, Washington 99352 (US)	(72) Inventors: WHALEN, Scott A. Richland, Washington 99353 (US) TAYSOM, Brandon Scott Richland, Washington 99354 (US) (74) Representative: Murgitroyd & Company  165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)