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EP 4 562 425 A1

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(43) Date of publication: 04.06.2025 Bulletin 2025/23 (21) Application number: 23757815.8 (22) Date of filing: 28.07.2023

(51) International Patent Classification (IPC):  G01N 33/543(2006.01) G01N 21/76(2006.01) C09K 11/06(2006.01) (52) Cooperative Patent Classification (CPC): C09K 11/06; G01N 33/543; C07F 9/6551 (86) International application number: PCT/US2023/071231 (87) International publication number: WO 2024/026467 (01.02.2024 Gazette 2024/05)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 29.07.2022 US 202263369879 P (71) Applicant: Beckman Coulter, Inc. Brea, CA 92821 (US)	(72) Inventors: WANG, Guoping Brea, California 92822 (US) RASHID, Khaledur Brea, California 92822 (US) KABIR, Humayun Brea, California 92822 (US) SCHOENFELNER, Barry A. Brea, California 92822 (US) KNUTSON, Christopher R. Brea, California 92822 (US) CONN, Ross Brea, California 92822 (US) (74) Representative: Maiwald GmbH  Elisenhof Elisenstraße 3 80335 München 80335 München (DE)