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EP 3 994 452 A1

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(43) Date of publication: 11.05.2022 Bulletin 2022/19 (21) Application number: 20776220.4 (22) Date of filing: 30.06.2020

(51) International Patent Classification (IPC):  G01N 21/67(2006.01) G01N 15/02(2006.01) H01J 37/32(2006.01) G01N 21/84(2006.01) B22F 1/00(2022.01) G06F 11/07(2006.01) B22F 9/14(2006.01) (52) Cooperative Patent Classification (CPC): G01N 21/67; G01N 2021/8411; H01J 37/32972; H01J 37/32055; H05H 1/52; H05H 1/0037; B22F 2999/00; B22F 9/12; B22F 1/054   C-Sets: B22F 2999/00; (86) International application number: PCT/HU2020/050027 (87) International publication number: WO 2021/005387 (14.01.2021 Gazette 2021/02)

(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: 05.07.2019 HU 1900246 (71) Applicant: Szegedi Tudományegyetem 6720 Szeged (HU)	(72) Inventors: GALBÁCS, Gábor 6725 Szeged (HU) GERETOVSZKY, Zsolt 6725 Szeged (HU) KOHUT, Attila 6726 Szeged (HU) (74) Representative: Horváth, Bertalan  Gödölle, Kékes, Mészáros & Szabó Patent and Trademark Attorneys Keleti Károly u. 13/b 1024 Budapest 1024 Budapest (HU)