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(11)

EP 4 816 822 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24817535.8 (22) Date of filing: 28.11.2024

(51) International Patent Classification (IPC):  G01N 33/50(2006.01) G16B 20/00(2019.01) G16B 5/00(2019.01) (52) Cooperative Patent Classification (CPC): G01N 33/502; G16B 5/00; G16B 20/00 (86) International application number: PCT/EP2024/084006 (87) International publication number: WO 2025/114490 (05.06.2025 Gazette 2025/23)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 28.11.2023 GB 202318136 (71) Applicant: Plasticell Limited Stevenage SG1 2FX (GB)	(72) Inventors: CHOO, Yen Stevenage SG1 2FX (GB) NADEO, Chiara Stevenage SG1 2FX (GB) MAKHIJA, Harshyaa Stevenage SG1 2FX (GB) D'AGOSTINO, Giuseppe Stevenage SG1 2FX (GB) TARUNINA, Marina Stevenage SG1 2FX (GB) (74) Representative: Maschio & Soames IP Ltd  30 Carlton Crescent Southampton SO15 2EW Southampton SO15 2EW (GB)