(19)

(11)

EP 4 244 558 A1

(12)

(43) Date of publication: 20.09.2023 Bulletin 2023/38 (21) Application number: 21810735.7 (22) Date of filing: 03.11.2021

(51) International Patent Classification (IPC):  F25J 1/00(2006.01) (52) Cooperative Patent Classification (CPC): F25J 1/0022; F25J 1/0037; F25J 1/005; F25J 1/0072; F25J 1/0208; F25J 1/0288; F25J 2220/64; F25J 2220/66; F25J 1/0237; F25J 2205/66; F25J 2245/42; F25J 1/0045; F25J 1/0249 (86) International application number: PCT/IB2021/060152 (87) International publication number: WO 2022/101738 (19.05.2022 Gazette 2022/20)

(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: 11.11.2020 IT 202000026978 (71) Applicant: Saipem S.p.A. 20138 Milano (IT)	(72) Inventors: MELONI, Fabrizio 20138 Milano (IT) LOZIO, Chiara 20138 Milano (IT) FANTOLINI, Anton Marco 20138 Milano (IT) (74) Representative: Croce, Valeria et al Jacobacci & Partners S.p.A. Via Senato, 8 20121 Milano 20121 Milano (IT)