(19)

(11)

EP 3 911 849 A1

(12)

(43) Date of publication: 24.11.2021 Bulletin 2021/47 (21) Application number: 20701181.8 (22) Date of filing: 17.01.2020

(51) International Patent Classification (IPC):  F01N 13/00(2010.01) F01N 3/031(2006.01) F01N 3/021(2006.01) (52) Cooperative Patent Classification (CPC): F01N 3/04; F01N 2610/00; F01N 2590/02; F01N 2570/04; F01N 2610/1453; F01N 3/021; F01N 3/031; F01N 13/009; Y02T 10/12 (86) International application number: PCT/EP2020/051154 (87) International publication number: WO 2020/148437 (23.07.2020 Gazette 2020/30)

(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: 18.01.2019 EP 19152609 (71) Applicant: CRR Denmark ApS 7100 Vejle (DK)	(72) Inventors: GLUDSØ, Peter 7100 Vejle (DK) GLUDSØ, Michael 02-958 Warszawa (PL) (74) Representative: Plougmann Vingtoft a/s  Strandvejen 70 2900 Hellerup 2900 Hellerup (DK)