(19)

(11)

EP 4 816 732 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24817248.8 (22) Date of filing: 28.11.2024

(51) International Patent Classification (IPC):  F22B 1/28(2006.01) F22B 37/42(2006.01) F22B 35/00(2006.01) A47J 31/44(2006.01) (52) Cooperative Patent Classification (CPC): F22B 1/28; F22B 35/00; F22B 37/42 (86) International application number: PCT/EP2024/083906 (87) International publication number: WO 2025/114431 (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: 30.11.2023 GB 202318267 (71) Applicant: Lava Wash Ltd London SW11 3LG (GB)	(72) Inventors: TODD, Theodore London SW11 3LG (GB) TAYLOR, Rory Swindon SN5 6BG (GB) (74) Representative: D Young & Co LLP  3 Noble Street London EC2V 7BQ London EC2V 7BQ (GB)