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(11)

EP 4 429 486 A1

(12)

(43) Date of publication: 18.09.2024 Bulletin 2024/38 (21) Application number: 22814031.5 (22) Date of filing: 08.11.2022

(51) International Patent Classification (IPC):  A24D 3/06(2006.01) A24D 3/16(2006.01) A24D 3/14(2006.01) A24D 3/04(2006.01) (52) Cooperative Patent Classification (CPC): A24D 3/068; A24D 3/061; A24D 3/14; A24D 3/163; A24D 3/16; A24D 3/166; A24D 3/04 (86) International application number: PCT/EP2022/081093 (87) International publication number: WO 2023/079165 (11.05.2023 Gazette 2023/19)

(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 (30) Priority: 08.11.2021 GB 202115989 (71) Applicant: Filtrona Pte. Ltd. Singapore 068877 (SG)	(72) Inventors: QOLBI, Rosi Ana Sidoarjo, 61256 (ID) ANINDYA, Ian Sidoarjo, 61256 (ID) GIYANTO, N/a Sidoarjo, 61256 (ID) WIDODO, Sulistyo Sidoarjo, 61256 (ID) (74) Representative: Reddie & Grose LLP  The White Chapel Building 10 Whitechapel High Street London E1 8QS London E1 8QS (GB)