(19)

(11)

EP 4 004 165 A1

(12)

(43) Date of publication: 01.06.2022 Bulletin 2022/22 (21) Application number: 20785681.6 (22) Date of filing: 11.09.2020

(51) International Patent Classification (IPC):  C10L 7/04(2006.01) (52) Cooperative Patent Classification (CPC): C10L 7/04 (86) International application number: PCT/EP2020/075527 (87) International publication number: WO 2021/048392 (18.03.2021 Gazette 2021/11)

(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: 13.09.2019 GB 201913244 (71) Applicant: University of Tartu 50090 Tartu (EE)	(72) Inventors: TIMUSK, Martin 50090 Tartu (EE) JÄRVEKÜLG, Martin 50090 Tartu (EE) KANGUR, Triin 50090 Tartu (EE) (74) Representative: Williams Powell  11 Staple Inn London WC1V 7QH London WC1V 7QH (GB)