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(11)

EP 4 536 801 A1

(12)

(43) Date of publication: 16.04.2025 Bulletin 2025/16 (21) Application number: 23732527.9 (22) Date of filing: 13.06.2023

(51) International Patent Classification (IPC):  C12M 3/06(2006.01) C12M 1/42(2006.01) C12M 1/12(2006.01) C12M 1/36(2006.01) (52) Cooperative Patent Classification (CPC): C12M 23/16; C12M 25/14; C12M 35/04; C12M 41/48 (86) International application number: PCT/EP2023/065802 (87) International publication number: WO 2023/242189 (21.12.2023 Gazette 2023/51)

(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: 13.06.2022 EP 22178671 07.07.2022 EP 22183705 (71) Applicant: ETH Zurich 8092 Zurich (CH)	(72) Inventors: MÜLLER, Ralph 8704 Herrliberg (CH) QIN, Xiao-Hua 8152 Opfikon (CH) ZAUCHNER, Doris 5430 Wettingen (CH) (74) Representative: Schulz Junghans Patentanwälte PartGmbB  Großbeerenstraße 71 10963 Berlin 10963 Berlin (DE)