(19)

(11)

EP 3 793 938 A1

(12)

(43) Date of publication: 24.03.2021 Bulletin 2021/12 (21) Application number: 19743004.4 (22) Date of filing: 16.05.2019

(51) International Patent Classification (IPC):  C01B 25/32(2006.01) C12P 19/46(2006.01) C01B 25/45(2006.01) C12P 7/02(2006.01) (86) International application number: PCT/NL2019/050284 (87) International publication number: WO 2019/221602 (21.11.2019 Gazette 2019/47)

(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: 17.05.2018 NL 2020952 (71) Applicant: Stichting Wageningen Research 6708 PB Wageningen (NL)	(72) Inventors: SANDERS, Johan Pieter Marinus 9722 WL Groningen (NL) BOERIU, Carmen Gabriela 6703 EV Wageningen (NL) YILMAZ, Gulden 6671 AE Zetten (NL) (74) Representative: EP&C  P.O. Box 3241 2280 GE Rijswijk 2280 GE Rijswijk (NL)