(19)

(11)

EP 4 388 304 A1

(12)

(43) Date of publication: 26.06.2024 Bulletin 2024/26 (21) Application number: 22769104.5 (22) Date of filing: 19.08.2022

(51) International Patent Classification (IPC):  G01N 21/90(2006.01) (52) Cooperative Patent Classification (CPC): G01N 21/90; G01N 21/9027; G01N 21/9036; G01N 2021/8845 (86) International application number: PCT/EP2022/073256 (87) International publication number: WO 2023/021209 (23.02.2023 Gazette 2023/08)

(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: 19.08.2021 GB 202111915 (71) Applicant: Ash Technologies Ltd. Naas Co. Kildare Naas, W91 P684 (IE)	(72) Inventor: RYAN, Louis Naas, Co. Kildare, Naas, W91 P684 (IE) (74) Representative: FRKelly  Waterways House Grand Canal Quay Dublin D02 PD39 Dublin D02 PD39 (IE)