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EP 4 133 548 A1

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(43) Date of publication: 15.02.2023 Bulletin 2023/07 (21) Application number: 22730314.6 (22) Date of filing: 21.04.2022

(51) International Patent Classification (IPC):  H01M 50/256(2021.01) F42B 39/14(1990.01) A62C 3/00(1968.09) H01M 50/30(2021.01) (52) Cooperative Patent Classification (CPC): H01M 50/256; H01M 50/30; F42B 39/16; F42B 39/18; F42B 39/20; A62C 3/16; Y02E 60/10 (86) International application number: PCT/IT2022/050106 (87) International publication number: WO 2022/224289 (27.10.2022 Gazette 2022/43)

(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: 23.04.2021 IT 202100010355 (71) Applicant: COBAT S.P.A. SOCIETA' BENEFIT 00185 Roma (IT)	(72) Inventors: DE ROCCHI, Luigi 00185 ROMA (RM) (IT) VIVA, David 00185 ROMA (RM) (IT) PICONE, Nicoletta 00185 ROMA (RM) (IT) (74) Representative: Santi, Filippo et al Barzanò & Zanardo Roma S.p.A. Via Piemonte 26 00187 Roma 00187 Roma (IT)