(19)

(11)

EP 4 278 033 A1

(12)

(43) Date of publication: 22.11.2023 Bulletin 2023/47 (21) Application number: 21819999.0 (22) Date of filing: 02.12.2021

(51) International Patent Classification (IPC):  D01F 6/84(2006.01) D06N 7/00(2006.01) (52) Cooperative Patent Classification (CPC): E01C 13/08; D06N 7/0065; D01F 6/84; D01D 5/426; D01F 6/92 (86) International application number: PCT/NL2021/050732 (87) International publication number: WO 2022/119444 (09.06.2022 Gazette 2022/23)

(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: 02.12.2020 EP 20211326 (71) Applicant: Mattex Dubai LLC Dubai (AE)	(72) Inventors: DECORTE, Davida Frieda Dubai (AE) ALGOET, Tom Marc Johan Dubai (AE) BATENBURG, Lawrence Fabian Dubai (AE) HOVENS, Irene Antoinette Petra Dubai (AE) (74) Representative: V.O.  P.O. Box 87930 2508 DH Den Haag 2508 DH Den Haag (NL)