(19)

(11)

EP 3 841 060 A1

(12)

(43) Date of publication: 30.06.2021 Bulletin 2021/26 (21) Application number: 18793624.0 (22) Date of filing: 18.10.2018

(51) International Patent Classification (IPC):  C01B 17/45(2006.01) C07F 9/50(2006.01) (86) International application number: PCT/EP2018/078652 (87) International publication number: WO 2019/077086 (25.04.2019 Gazette 2019/17)

(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 (30) Priority: 19.10.2017 DE 102017124415 (71) Applicant: Westfälische Wilhelms-Universität Münster 48149 Münster (DE)	(72) Inventors: BUSS, Florenz 46325 Borken (DE) DIELMANN, Fabian 48149 Münster (DE) (74) Representative: Michalski Hüttermann & Partner Patentanwälte mbB  Speditionstraße 21 40221 Düsseldorf 40221 Düsseldorf (DE)