(19)

(11)

EP 4 171 813 A1

(12)

(43) Date of publication: 03.05.2023 Bulletin 2023/18 (21) Application number: 20735333.5 (22) Date of filing: 26.06.2020

(51) International Patent Classification (IPC):  B01L 3/00(2006.01) G01N 1/31(2006.01) (52) Cooperative Patent Classification (CPC): B01L 2200/025; B01L 2200/027; B01L 3/50273; B01L 3/502715; B01L 2200/0631; B01L 2200/0684; B01L 2400/0487; B01L 2300/0883; B01L 2300/0867 (86) International application number: PCT/EP2020/068079 (87) International publication number: WO 2021/259497 (30.12.2021 Gazette 2021/52)

(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 (71) Applicant: Swissmeca SA 3213 Kleinbösingen (CH)	(72) Inventors: BRUELHART, André 3213 Kleinbösingen (CH) BRUELHART, Maxime 3280 Murten (CH) (74) Representative: Keller Schneider Patent- und Markenanwälte AG  Eigerstrasse 2 Postfach 3000 Bern 14 3000 Bern 14 (CH)