(19)

(11)

EP 3 914 869 A1

(12)

(43) Date of publication: 01.12.2021 Bulletin 2021/48 (21) Application number: 20701149.5 (22) Date of filing: 14.01.2020

(51) International Patent Classification (IPC):  F25J 1/00(2006.01) (52) Cooperative Patent Classification (CPC): F25J 1/0017; F25J 1/0045; F25J 2230/30; F25J 1/004; F25J 1/0292; F25J 1/0012; F25J 1/002; F25J 1/0015; F25J 2290/34; F25J 1/0221; F25J 1/0224; F25J 2235/60; F25J 2230/08 (86) International application number: PCT/EP2020/050749 (87) International publication number: WO 2020/151991 (30.07.2020 Gazette 2020/31)

(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: 22.01.2019 JP 2019008163 (71) Applicant: L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE 75007 Paris (FR)	(72) Inventors: TOMITA, Shinji Hyogo Prefecture KOBE, Hyogo 651--0087 (JP) HIROSE, Kenji Hyogo Prefecture 651--0087 KOBE, Hyogo 651--0087 (JP) UTSUNOMIYA, Hirofumi Hyogo Prefecture KOBE, Hyogo 651--0087 (JP) (74) Representative: Air Liquide  L'Air Liquide S.A. Direction de la Propriété Intellectuelle 75, Quai d'Orsay 75321 Paris Cedex 07 75321 Paris Cedex 07 (FR)