(19)

(11)

EP 4 031 702 A1

(12)

(43) Date of publication: 27.07.2022 Bulletin 2022/30 (21) Application number: 20768644.5 (22) Date of filing: 16.09.2020

(51) International Patent Classification (IPC):  D06N 7/00(2006.01) D01F 6/46(2006.01) E01C 13/08(2006.01) (52) Cooperative Patent Classification (CPC): D06N 7/0065; D01F 6/46; D06N 7/0071; D06N 2201/0254; D06N 2203/042; D06N 2209/06; D06N 2209/141; E01C 13/08 (86) International application number: PCT/EP2020/075912 (87) International publication number: WO 2021/053041 (25.03.2021 Gazette 2021/12)

(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: 16.09.2019 EP 19197624 (71) Applicant: Mattex Dubai LLC Dubai (AE)	(72) Inventors: DECORTE, Davida Frieda Dubai (AE) BLOMMAERT, Luc Jean-Pierre Marcel Dubai (AE) BATENBURG, Lawrence Fabian 5652 EJ Eindhoven (NL) HOVENS, Irene Antoinette Petra 5652 EJ Eindhoven (NL) (74) Representative: V.O.  P.O. Box 87930 2508 DH Den Haag 2508 DH Den Haag (NL)