(19)

(11)

EP 4 200 065 A1

(12)

(43) Date of publication: 28.06.2023 Bulletin 2023/26 (21) Application number: 21718168.4 (22) Date of filing: 15.03.2021

(51) International Patent Classification (IPC):  B01F 7/00(2006.01) (52) Cooperative Patent Classification (CPC): C01B 32/19; C01B 32/194; C01B 2204/28; C01B 2204/32; C02F 1/34; C02F 2103/08; C02F 2301/024; C10G 9/36; Y02A 20/124; B01F 27/2712 (86) International application number: PCT/GB2021/050640 (87) International publication number: WO 2021/186155 (23.09.2021 Gazette 2021/38)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 21.08.2020 GB 202013079 21.08.2020 GB 202013075 21.08.2020 GB 202013078 15.10.2020 GB 202016345 23.11.2020 GB 202018405 14.12.2020 GB 202019678 (71) Applicants: Vozyakov, Igor New Providence (BS) Shcheblanov, Aleksandr New Providence (BS)

(72) Inventors: Vozyakov, Igor New Providence (BS) Shcheblanov, Aleksandr New Providence (BS) (74) Representative: Warren, Caroline Elisabeth et al Mathys & Squire The Shard 32 London Bridge Street London SE1 9SG London SE1 9SG (GB)