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(11)

EP 4 476 377 A1

(12)

(43) Date of publication: 18.12.2024 Bulletin 2024/51 (21) Application number: 23706429.0 (22) Date of filing: 10.02.2023

(51) International Patent Classification (IPC):  C22C 30/00(2006.01) C22C 30/02(2006.01) (52) Cooperative Patent Classification (CPC): C22C 30/00; C22C 30/02 (86) International application number: PCT/GB2023/050309 (87) International publication number: WO 2023/152507 (17.08.2023 Gazette 2023/33)

(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: 11.02.2022 GB 202201781 (71) Applicant: Alloyed Limited Yarnton Kidlington OX5 1QU (GB)

(72) Inventors: FRATER, Georgina Oxford Industrial Park Yarnton Kidlington Oxfordshire OX5 1QU (GB) SATO, Atsushi Oxford Industrial Park Yarnton Kidlington Oxfordshire OX5 1QU (GB) KUDO, Katsuhiro Oxford Industrial Park Yarnton Kidlington Oxfordshire OX5 1QU (GB) HE, Yining Oxford Industrial Park Yarnton Kidlington Oxfordshire OX5 1QU (GB) ZHANG, Pimin Oxford Industrial Park Yarnton Kidlington Oxfordshire OX5 1QU (GB) (74) Representative: J A Kemp LLP  80 Turnmill Street London EC1M 5QU London EC1M 5QU (GB)