(19)

(11)

EP 4 547 818 A1

(12)

(43) Date of publication: 07.05.2025 Bulletin 2025/19 (21) Application number: 23821324.3 (22) Date of filing: 09.11.2023

(51) International Patent Classification (IPC):  C12N 1/20(2006.01) C12N 9/12(2006.01) C12N 9/18(2006.01) C08J 11/10(2006.01) C12N 9/16(2006.01) (52) Cooperative Patent Classification (CPC): C12N 9/1241; C12N 1/20; C12N 9/18; B09B 3/60; C12Y 207/07065; C12R 2001/19; C12R 2001/385; B09B 2101/75 (86) International application number: PCT/GB2023/052923 (87) International publication number: WO 2024/134132 (27.06.2024 Gazette 2024/26)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 21.12.2022 GB 202219396 (71) Applicant: Brunel University London Uxbridge Middlesex UB8 3PH (GB)	(72) Inventor: MCCARTHY, Ronan Uxbridge, Uxbridge Middlesex UB8 3PH (GB) (74) Representative: Williams Powell  44 Prospect Place Bromley, Kent BR2 9HN Bromley, Kent BR2 9HN (GB)