(19)

(11)

EP 4 327 111 A1

(12)

(43) Date of publication: 28.02.2024 Bulletin 2024/09 (21) Application number: 22790630.2 (22) Date of filing: 20.04.2022

(51) International Patent Classification (IPC):  G01R 31/00(2006.01) C23F 13/22(2006.01) C23F 13/04(2006.01) G08B 31/00(2006.01) (52) Cooperative Patent Classification (CPC): C23F 13/04; C23F 13/22; C23F 2213/32 (86) International application number: PCT/CA2022/050598 (87) International publication number: WO 2022/221944 (27.10.2022 Gazette 2022/43)

(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: 22.04.2021 US 202163178413 P (71) Applicant: Mobiltex Data Ltd Calgary, Alberta T3J 0T7 (CA)	(72) Inventors: DA COSTA, Antonio Calgary, Alberta T3J 0T7 (CA) BARRETT, Matthew Calgary, Alberta T3J 0T7 (CA) MAIZE, William Calgary, Alberta T3J 0T7 (CA) (74) Representative: Girardi, Giovanna Paola  Alvaro Caballero, 11 28023 Madrid 28023 Madrid (ES)