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(11)

EP 4 490 350 A1

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(43) Date of publication: 15.01.2025 Bulletin 2025/03 (21) Application number: 23711196.8 (22) Date of filing: 06.03.2023

(51) International Patent Classification (IPC):  D01F 6/62(2006.01) D01D 5/30(2006.01) D01F 8/14(2006.01) D01F 1/10(2006.01) (52) Cooperative Patent Classification (CPC): D01F 6/625; D01F 8/14; D01F 1/10; D01D 5/30 (86) International application number: PCT/NL2023/050107 (87) International publication number: WO 2023/172130 (14.09.2023 Gazette 2023/37)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 07.03.2022 NL 2031172 (71) Applicant: Senbis Group B.V. 7821 AT Emmen (NL)	(72) Inventors: KRINS, Bastiaan 7821 AT Emmen (NL) BISSCHOP, Brigitte Angelique 7821 AT Emmen (NL) DEINUM, Johan Bauke 7821 AT Emmen (NL) VAN DER VLIST, Jeroen 7821 AT Emmen (NL) (74) Representative: Patentwerk B.V.  P.O. Box 1514 5200 BN 's-Hertogenbosch 5200 BN 's-Hertogenbosch (NL)