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(11)

EP 3 863 434 A2

(12)

(88) Date of publication A3: 28.05.2020 (43) Date of publication: 18.08.2021 Bulletin 2021/33 (21) Application number: 19786920.9 (22) Date of filing: 07.10.2019

(51) International Patent Classification (IPC):  A24D 1/20(2020.01) A24D 3/17(2020.01) A24D 3/04(2006.01) (86) International application number: PCT/EP2019/077043 (87) International publication number: WO 2020/074420 (16.04.2020 Gazette 2020/16)

(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: 08.10.2018 GB 201816367 28.02.2019 GB 201902729 (71) Applicant: Essentra Filter Products Development Co. Pte. Ltd. Singapore 068877 (SG)	(72) Inventors: MORRIS, Paul Singapore 068877 (SG) RAHMAN, Arief East Java, 61227 (ID) WIDIARTO, Sudirman Widiarto Gede Sedati Sidoarjo Jawa Timur, 61227 (ID) GREGG, Michael Sidoarjo, 61256 (ID) (74) Representative: Bates, Philip Ian  Reddie & Grose LLP The White Chapel Building 10 Whitechapel High Street London E1 8QS London E1 8QS (GB)