(19)

(11)

EP 4 284 694 A2

(12)

(88) Date of publication A3: 20.10.2022 (43) Date of publication: 06.12.2023 Bulletin 2023/49 (21) Application number: 22705323.8 (22) Date of filing: 04.02.2022

(51) International Patent Classification (IPC):  B61L 23/04(2006.01) B61L 27/30(2022.01) B61L 29/30(2006.01) B61L 27/33(2022.01) (52) Cooperative Patent Classification (CPC): B61L 23/041; B61L 29/30; B61L 27/33; B61L 27/30 (86) International application number: PCT/US2022/015194 (87) International publication number: WO 2022/170025 (11.08.2022 Gazette 2022/32)

(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: 04.02.2021 US 202163145958 P (71) Applicant: International Electronic Machines Corp. Troy, NY 12180 (US)	(72) Inventors: MCKENNEY, Bruce Troy, NY 12180 (US) PEARLMAN, Marc R. Troy, NY 12180 (US) JOHNSON, Joshua Troy, NY 12180 (US) NADIG, Anuj R. Falmouth, MA 02540 (US) MIAN, Zahid F. Troy, NY 12180 (US) (74) Representative: Ridderbusch, Oliver  Prisma IP Patentanwaltskanzlei Landsberger Straße 155, Haus 1 80687 München 80687 München (DE)