(19)

(11)

EP 3 887 712 A1

(12)

(43) Date of publication: 06.10.2021 Bulletin 2021/40 (21) Application number: 19889092.3 (22) Date of filing: 22.11.2019

(51) International Patent Classification (IPC):  F17C 5/02(2006.01) F17C 9/00(2006.01) F17C 6/00(2006.01) (52) Cooperative Patent Classification (CPC): F17C 2205/0329; F17C 5/00; F17C 2205/037; B67D 1/0082 (86) International application number: PCT/US2019/062784 (87) International publication number: WO 2020/112538 (04.06.2020 Gazette 2020/23)

(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: 29.11.2018 US 201862772794 P (71) Applicant: Green CO2 IP, LLC Fort Collins, CO 80524 (US)	(72) Inventors: SCHNEIDER, Daniel, E. Fort Collins, CO 80524 (US) SCHNEIDER, David, L. Fort Collins, CO 80524 (US) (74) Representative: Hanna Moore + Curley  Garryard House 25-26 Earlsfort Terrace Dublin 2, D02 PX51 Dublin 2, D02 PX51 (IE)