(19)

(11)

EP 4 093 545 A1

(12)

(43) Date of publication: 30.11.2022 Bulletin 2022/48 (21) Application number: 21701355.6 (22) Date of filing: 25.01.2021

(51) International Patent Classification (IPC):  B01L 7/00(2006.01) B01L 3/00(2006.01) (52) Cooperative Patent Classification (CPC): B01J 2219/00871; B01J 2219/0002; B01L 3/502715; B01L 2200/028; B01L 2400/0487; B01L 7/52; B01L 2200/16; B01L 2300/0663 (86) International application number: PCT/GB2021/050164 (87) International publication number: WO 2021/148818 (29.07.2021 Gazette 2021/30)

(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: 24.01.2020 GB 202001044 (71) Applicant: Biologic Technologies Limited Hertfordshire SG5 1LE (GB)	(72) Inventor: ROLLINGS, Nick Hitchin Hertfordshire SG5 1LE (GB) (74) Representative: J A Kemp LLP  80 Turnmill Street London EC1M 5QU London EC1M 5QU (GB)