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(11)

EP 4 486 848 A1

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(43) Date of publication: 08.01.2025 Bulletin 2025/02 (21) Application number: 23720321.1 (22) Date of filing: 01.03.2023

(51) International Patent Classification (IPC):  C10B 47/44(2006.01) C10B 53/07(2006.01) (52) Cooperative Patent Classification (CPC): C10B 47/44; C10B 53/07; C10J 3/007; C10J 2300/0916; C10J 2300/0946; C10J 2300/0956; C10J 2300/0976; C10J 2300/1246; C10K 1/026; C01B 32/39; C10B 53/02; C10J 2300/1215 (86) International application number: PCT/GB2023/050464 (87) International publication number: WO 2023/166287 (07.09.2023 Gazette 2023/36)

(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: 01.03.2022 GB 202202787 (71) Applicant: Eco Research Limited Dudley West Midlands DY2 8XE (GB)	(72) Inventor: SAGHIR, Muhammad Dudley West Midlands DY2 8XE (GB) (74) Representative: Forresters IP LLP  Skygarden Erika-Mann-Straße 11 80636 München 80636 München (DE)