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(11)

EP 3 931 750 A1

(12)

(43) Date of publication: 05.01.2022 Bulletin 2022/01 (21) Application number: 20705374.5 (22) Date of filing: 21.02.2020

(51) International Patent Classification (IPC):  G06K 9/62(2006.01) G06K 9/46(2006.01) G01N 21/64(2006.01) G06K 9/20(2006.01) G01N 21/55(2014.01) (52) Cooperative Patent Classification (CPC): G01N 2021/6421; G01N 21/64; G01N 21/25; G06K 9/00536; G06K 9/2018 (86) International application number: PCT/EP2020/054693 (87) International publication number: WO 2020/178052 (10.09.2020 Gazette 2020/37)

(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: 01.03.2019 EP 19160383 01.03.2019 US 201916289706 (71) Applicant: BASF Coatings GmbH 48165 Münster (DE)	(72) Inventors: KURTOGLU, Yunus Emre Southfield, Michigan 48033 (US) CHILDERS, Matthew Ian Southfield, Michigan 48033 (US) (74) Representative: Raible Deissler Lehmann Patentanwälte PartG mbB  Senefelderstrasse 26 70176 Stuttgart 70176 Stuttgart (DE)