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EP 3 942 292 A1

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(43) Date of publication: 26.01.2022 Bulletin 2022/04 (21) Application number: 20719297.2 (22) Date of filing: 23.03.2020

(51) International Patent Classification (IPC):  G01N 29/024(2006.01) H01M 10/04(2006.01) G01N 29/032(2006.01) H01M 10/42(2006.01) H01M 2/36(2006.01) H01M 10/44(2006.01) G01N 29/036(2006.01) (52) Cooperative Patent Classification (CPC): G01N 29/262; G01N 2291/106; G01N 29/036; G01N 29/024; G01N 29/032; G01N 29/4427; H01M 10/446; H01M 10/4285; G01N 29/46; G01F 23/296; G01N 2291/02836; G01N 2291/105; H01M 10/0413; G01N 2291/022; G01N 2291/02441; H01M 50/60; Y02E 60/10; Y02P 70/50 (86) International application number: PCT/US2020/024190 (87) International publication number: WO 2020/191396 (24.09.2020 Gazette 2020/39)

(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: 21.03.2019 US 201962821605 P (71) Applicants: Feasible, Inc. Emeryville, CA 94608-3631 (US) Dou, Shan Emeryville, CA 94608-3631 (US) Hsieh, Andrew G. Emeryville, CA 94608-3631 (US) Biswas, Shaurjo Emeryville, CA 94608-3631 (US) van Tassell, Barry J. Emeryville, CA 94608-3631 (US) Lee, Elizabeth M. Emeryville, CA 94608-3631 (US) Yu, Dennis Emeryville, CA 94608-3631 (US) Yu, Jason Y. Emeryville, CA 94608-3631 (US)

(72) Inventors: DOU, Shan Emeryville, CA 94608-3631 (US) HSIEH, Andrew, G. Emeryville, CA 94608-3631 (US) BISWAS, Shaurjo Emeryville, CA 94608-3631 (US) VAN TASSELL, Barry, J. Emeryville, CA 94608-3631 (US) LEE, Elizabeth, M. Emeryville, CA 94608-3631 (US) YU, Dennis Emeryville, CA 94608-3631 (US) YU, Jason, Y. Emeryville, CA 94608-3631 (US) (74) Representative: ip21 Ltd  Central Formalities Department Suite 2 The Old Dairy Elm Farm Business Park Wymondham Norwich, Norfolk NR18 0SW Norwich, Norfolk NR18 0SW (GB)