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EP 3 817 872 A1

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(43) Date of publication: 12.05.2021 Bulletin 2021/19 (21) Application number: 19745460.6 (22) Date of filing: 05.07.2019

(51) International Patent Classification (IPC):  B21C 23/00(2006.01) B21C 23/20(2006.01) B21C 25/04(2006.01) B21C 25/02(2006.01) B21C 23/08(2006.01) B21C 23/21(2006.01) B21C 26/00(2006.01) (86) International application number: PCT/US2019/040730 (87) International publication number: WO 2020/010331 (09.01.2020 Gazette 2020/02)

(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: 05.07.2018 US 201816028173 (71) Applicant: Battelle Memorial Institute Richland, Washington 99352 (US)

(72) Inventors: JOSHI, Vineet, V. Richland, WA 99354 (US) WHALLEN, Scott, A. Richland, WA 99353 (US) LAVENDER, Curt, A. Richland, WA 99354 (US) GRANT, Glenn, J. Benton City, WA 99320 (US) REZA-E-RABBY, MD. Richland, WA 99354 (US) ROHATGI, Aashish Richland, WA 99352 (US) DARSELL, Jens, T. Richland, WA 99353 (US) (74) Representative: Stuttard, Garry Philip  Urquhart-Dykes & Lord LLP Arena Point Merrion Way Leeds LS2 8PA Arena Point Merrion Way Leeds LS2 8PA (GB)