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(11)

EP 4 419 723 A1

(12)

(43) Date of publication: 28.08.2024 Bulletin 2024/35 (21) Application number: 22797446.6 (22) Date of filing: 17.10.2022

(51) International Patent Classification (IPC):  C22C 38/58(2006.01) C22C 38/44(2006.01) C22C 38/48(2006.01) C21D 6/00(2006.01) C22C 38/02(2006.01) C22C 38/42(2006.01) C22C 38/00(2006.01) (52) Cooperative Patent Classification (CPC): C22C 38/58; C22C 38/02; C22C 38/44; C22C 38/42; C22C 38/001; C22C 38/48; C21D 6/004 (86) International application number: PCT/GB2022/052637 (87) International publication number: WO 2023/067317 (27.04.2023 Gazette 2023/17)

(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: 18.10.2021 GB 202114849 (71) Applicant: Alloyed Limited Yarnton, Oxfordshire OX5 1QU (GB)	(72) Inventors: TURK, Andrej Oxford Industrial Park Yarnton Kidlington Oxfordshire OX5 1QU (GB) FRATER, Georgina Catherine 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)