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(11)

EP 4 107 518 A1

(12)

(43) Date of publication: 28.12.2022 Bulletin 2022/52 (21) Application number: 21757136.3 (22) Date of filing: 22.02.2021

(51) International Patent Classification (IPC):  G01N 27/414(2006.01) G01N 33/00(2006.01) C01B 32/182(2017.01) B01J 20/28(2006.01) (52) Cooperative Patent Classification (CPC): C01B 32/194; C01B 32/18; G01N 33/0031 (86) International application number: PCT/US2021/019110 (87) International publication number: WO 2021/168444 (26.08.2021 Gazette 2021/34)

(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: 20.02.2020 US 202062979095 P 29.05.2020 US 202016887293 07.10.2020 US 202063088541 P (71) Applicant: Lyten, Inc. San Jose, CA 95134-2303 (US)

(72) Inventors: LIM, Sung H. San Jose, California 95134-2303 (US) GHEZELBASH, Hossein-Ali San Jose, California 95134-2303 (US) CHANG, Chiapu San Jose, California 95134-2303 (US) GIBBS, George Clayton San Jose, California 95134-2303 (US) KUMAR, Anurag San Jose, California 95134-2303 (US) VANHEUSDEN, Karel San Jose, California 95134-2303 (US) COOK, Daniel San Jose, California 95134-2303 (US) STOWELL, Michael W. San Jose, California 95134-2303 (US) LANNING, Bruce San Jose, California 95134-2303 (US) SINGH, Shreeyukta San Jose, California 95134-2303 (US) CHMIOLA, John San Jose, California 95134-2303 (US) (74) Representative: Haseltine Lake Kempner LLP  One Portwall Square Portwall Lane Bristol BS1 6BH Bristol BS1 6BH (GB)