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EP 4 034 316 A1

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(43) Date of publication: 03.08.2022 Bulletin 2022/31 (21) Application number: 20869757.3 (22) Date of filing: 28.09.2020

(51) International Patent Classification (IPC):  B21C 25/02(2006.01) B21C 3/02(2006.01) B21C 25/00(2006.01) B21C 3/00(2006.01) B21C 23/04(2006.01) (52) Cooperative Patent Classification (CPC): B21C 25/02; B21C 23/183; B21C 23/186; B21C 23/085; B21C 23/06 (86) International application number: PCT/US2020/053168 (87) International publication number: WO 2021/062415 (01.04.2021 Gazette 2021/13)

(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: 27.09.2019 US 201962906911 P (71) Applicant: Battelle Memorial Institute Richland, Washington 99352 (US)

(72) Inventors: GRANT, Glenn J. Benton City, WA 99320 (US) KAPPAGANTULA, Keerti S. Richland, WA 99352 (US) LI, Xiao Richland, WA 99352 (US) WHALEN, Scott A. Richland, WA 99353 (US) HERLING, Darrell R. Kennewick, WA 99338 (US) REZA-E-RABBY, Md. Richland, WA 99354 (US) TAYSOM, Brandon Scott Richland, WA 99354 (US) (74) Representative: Byworth, Ian James  Murgitroyd & Company Newcastle 3 Collingwood Street Newcastle NE1 1JW Newcastle NE1 1JW (GB)