(19)

(11)

EP 3 914 902 A2

(12)

(88) Date of publication A3: 03.09.2020 (43) Date of publication: 01.12.2021 Bulletin 2021/48 (21) Application number: 20745043.8 (22) Date of filing: 23.01.2020

(51) International Patent Classification (IPC):  G01N 21/85(2006.01) G01N 15/10(2006.01) G01N 21/17(2006.01) G01N 15/02(2006.01) G01N 21/01(2006.01) G01N 33/24(2006.01) (52) Cooperative Patent Classification (CPC): G01N 2021/8592; G01N 21/85 (86) International application number: PCT/IB2020/050511 (87) International publication number: WO 2020/152609 (30.07.2020 Gazette 2020/31)

(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: 24.01.2019 ZA 201900491 (71) Applicant: Blue Cube Technology (Pty) Ltd Stellenbosch 7600 (ZA)	(72) Inventors: DU PLESSIS, Francois Eberhardt 7600 Stellenbosch (ZA) LE ROUX, Pieter 6845 Rawsonville (ZA) THERON, Pieter 7600 Stellenbosch (ZA) (74) Representative: Vanzini, Christian et al Jacobacci & Partners S.p.A. Corso Emilia 8 10152 Torino 10152 Torino (IT)