(19)

(11)

EP 4 823 729 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24840862.7 (22) Date of filing: 13.12.2024

(51) International Patent Classification (IPC):  B01J 2/00(2006.01) A61J 3/00(2006.01) A23G 3/26(2006.01) B01J 2/12(2006.01) (52) Cooperative Patent Classification (CPC): B01J 2/006; B01J 2/12; A61J 3/005; A61K 9/14; A23P 20/13 (86) International application number: PCT/GB2024/053118 (87) International publication number: WO 2025/125824 (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 Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 15.12.2023 GB 202319228 (71) Applicant: Aston Particle Technologies Limited Birmingham, West Midlands B4 7ET (GB)	(72) Inventors: MOHAMMED, Afzal Birmingham West Midlands B4 7ET (GB) WYATT, David Birmingham West Midlands B4 7ET (GB) KONER, Jasdip Birmingham West Midlands B4 7ET (GB) (74) Representative: Forresters IP LLP  Skygarden Erika-Mann-Straße 11 80636 München 80636 München (DE)