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(11)

EP 4 323 706 A1

(12)

(43) Date of publication: 21.02.2024 Bulletin 2024/08 (21) Application number: 22720839.4 (22) Date of filing: 11.04.2022

(51) International Patent Classification (IPC):  F25J 1/00(2006.01) (52) Cooperative Patent Classification (CPC): F25J 1/0022; F25J 1/0042; F25J 1/005; F25J 1/0072; F25J 1/0208; F25J 1/0288; F25J 1/029; F25J 1/0294; F25J 3/0209; F25J 3/0233; F25J 3/0247; F25J 2200/02; F25J 2200/40; F25J 2200/70; F25J 2200/76; F25J 2210/06; F25J 2215/04; F25J 2220/62; F25J 2220/64; F25J 2230/20; F25J 2270/16; F25J 2270/42; F25J 2270/88 (86) International application number: PCT/US2022/024190 (87) International publication number: WO 2022/221160 (20.10.2022 Gazette 2022/42)

(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: 15.04.2021 US 202163175207 P (71) Applicant: Praxair Technology, Inc. Danbury, CT 06810 (US)	(72) Inventor: HOWARD, Henry Edward Grand Island, NY 14072 (US) (74) Representative: Schwan Schorer & Partner mbB  Patentanwälte Bauerstraße 22 80796 München 80796 München (DE)