(19)

(11)

EP 4 823 863 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24840856.9 (22) Date of filing: 12.12.2024

(51) International Patent Classification (IPC):  B42D 25/324(2014.01) B42D 25/351(2014.01) (52) Cooperative Patent Classification (CPC): B42D 25/351; B42D 25/324 (86) International application number: PCT/GB2024/053104 (87) International publication number: WO 2025/125815 (19.06.2025 Gazette 2025/25)

(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 Validation States: MA (30) Priority: 15.12.2023 GB 202319272 15.12.2023 GB 202319274 15.12.2023 GB 202319271 (71) Applicant: De La Rue International Limited Basingstoke, Hampshire RG22 4BS (GB)	(72) Inventors: GODFREY, John Basingstoke, Hampshire RG22 4BS (GB) LOCKE, Rebecca Basingstoke, Hampshire RG22 4BS (GB) (74) Representative: Gill Jennings & Every LLP  The Broadgate Tower 20 Primrose Street London EC2A 2ES London EC2A 2ES (GB)