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EP 4 210 882 A1

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(43) Date of publication: 19.07.2023 Bulletin 2023/29 (21) Application number: 21867741.7 (22) Date of filing: 13.09.2021

(51) International Patent Classification (IPC):  B21C 23/21(2006.01) B21C 23/02(2006.01) B21C 23/08(2006.01) B21C 23/00(2006.01) B21C 23/04(2006.01) B21C 23/14(2006.01) (52) Cooperative Patent Classification (CPC): B21C 23/002; B21C 23/22; B21C 23/085; B21C 23/205; B21C 23/20; B21C 23/08; B22F 3/20; C22C 1/0416 (86) International application number: PCT/US2021/050022 (87) International publication number: WO 2022/056358 (17.03.2022 Gazette 2022/11)

(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: 11.09.2020 US 202063077191 P 27.09.2020 US 202017033854 27.04.2021 US 202117242166 (71) Applicant: Battelle Memorial Institute Richland, WA 99352 (US)

(72) Inventors: WHALEN, Scott, A. Richland, WA 99353 (US) DARSELL, Jens, T. Richland, WA 99353 (US) REZA-E-RABBY, MD. Richland, WA 99354 (US) TAYSOM, Brandon, Scott Richland, WA 99354 (US) WANG, Tianhao Richland, WA 99354 (US) HERLING, Darrell, R. Kennewick, WA 99338 (US) LI, Xiao Richland, WA 99352 (US) (74) Representative: Murgitroyd & Company  Murgitroyd House 165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)