(19)

(11)

EP 4 562 206 A1

(12)

(43) Date of publication: 04.06.2025 Bulletin 2025/23 (21) Application number: 23752023.4 (22) Date of filing: 27.07.2023

(51) International Patent Classification (IPC):  C22B 1/243(2006.01) C22B 1/248(2006.01) C22B 1/244(2006.01) B09B 3/20(2022.01) (52) Cooperative Patent Classification (CPC): C22B 1/248; C22B 1/243; C22B 1/244; B09B 3/21; B09B 3/32; Y02P 10/20 (86) International application number: PCT/GB2023/051986 (87) International publication number: WO 2024/023517 (01.02.2024 Gazette 2024/05)

(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: 28.07.2022 GB 202211016 (71) Applicant: Binding Solutions Ltd Middlesbrough TS6 6US (GB)	(72) Inventors: JOYCE, Richard Middlesbrough TS6 6US (GB) HUNTER, James Middlesbrough TS6 6US (GB) (74) Representative: Thurston, Joanna  Withers & Rogers LLP 2 London Bridge London SE1 9RA London SE1 9RA (GB)