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(11)

EP 3 817 854 A1

(12)

(43) Date of publication: 12.05.2021 Bulletin 2021/19 (21) Application number: 19737710.4 (22) Date of filing: 05.07.2019

(51) International Patent Classification (IPC):  B01J 20/10(2006.01) B01J 20/18(2006.01) B01J 20/28(2006.01) B60G 11/27(2006.01) F16F 9/05(2006.01) B01D 53/02(2006.01) B01J 20/20(2006.01) B01J 20/30(2006.01) B60G 17/00(2006.01) F16F 9/30(2006.01) (86) International application number: PCT/EP2019/068185 (87) International publication number: WO 2020/008072 (09.01.2020 Gazette 2020/02)

(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: 06.07.2018 GB 201811101 (71) Applicant: Carbon Air Limited Manchester M15 6JJ (GB)	(72) Inventor: COAKLEY, John FitzGerald Derbyshire SK22 3DS (GB) (74) Representative: Bingham, Ian Mark  The IP Asset Partnership Limited Prama House 267 Banbury Road Oxford OX2 7HT Oxford OX2 7HT (GB)