(19)

(11)

EP 4 437 331 A1

(12)

(43) Date of publication: 02.10.2024 Bulletin 2024/40 (21) Application number: 23842504.5 (22) Date of filing: 11.07.2023

(51) International Patent Classification (IPC):  G01N 21/87(2006.01) G01N 25/18(2006.01) G01N 21/33(2006.01) (52) Cooperative Patent Classification (CPC): G01N 21/87; G01N 21/33; G01N 33/389 (86) International application number: PCT/IB2023/000417 (87) International publication number: WO 2024/018279 (25.01.2024 Gazette 2024/04)

(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: 20.07.2022 US 202263390686 P 08.12.2022 US 202218077963 20.01.2023 US 202363480776 P (71) Applicant: Smart Pro Instrument Co., Ltd. Samut Sakhon, 7400 (TH)	(72) Inventors: ALAM, Mehboob Bangkok, 10500 (TH) MONTILLA, Absalon James Samut Sakhon, 7400 (TH) MONTILLA, Raweerat Homyamyen Samut Sakhon, 7400 (TH) (74) Representative: Studio Torta S.p.A.  Via Viotti, 9 10121 Torino 10121 Torino (IT)