(19)

(11)

EP 4 240 161 A1

(12)

(43) Date of publication: 13.09.2023 Bulletin 2023/37 (21) Application number: 21806023.4 (22) Date of filing: 04.11.2021

(51) International Patent Classification (IPC):  A01N 37/46(2006.01) A01P 1/00(2006.01) C11D 3/48(2006.01) A01N 63/50(2020.01) A61L 2/18(2006.01) (52) Cooperative Patent Classification (CPC): A01N 63/50; A01N 37/46; A61L 2/18; A01P 1/00; A61L 2/22; A61L 2202/26   C-Sets: A01N 63/50, A01N 63/50; A01N 37/46, A01N 37/46; (86) International application number: PCT/GB2021/052856 (87) International publication number: WO 2022/096881 (12.05.2022 Gazette 2022/19)

(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: 06.11.2020 GB 202017605 (71) Applicant: Smarti Environmental Limited Exeter Devon EX2 4HY (GB)	(72) Inventors: RICHARDS, Martin Exeter Devon EX2 4HY (GB) HARMER, Nicholas James Exeter Devon EX4 4DQ (GB) (74) Representative: Wilson Gunn  Charles House 148/9 Great Charles Street Birmingham B3 3HT Birmingham B3 3HT (GB)