(19)

(11)

EP 4 816 076 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24782439.4 (22) Date of filing: 02.09.2024

(51) International Patent Classification (IPC):  B01D 19/00(2006.01) G01N 35/10(2006.01) C02F 1/20(2023.01) (52) Cooperative Patent Classification (CPC): B01D 19/0031; B01D 19/0063; B01L 2400/049; C02F 1/20; G01N 35/10; G01N 35/1016; C02F 1/008; C02F 2209/03; C02F 2103/026 (86) International application number: PCT/CN2024/116222 (87) International publication number: WO 2025/112742 (05.06.2025 Gazette 2025/23)

(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: GE KH MA MD TN (30) Priority: 28.11.2023 CN 202311604026 (71) Applicant: Beckman Coulter Laboratory Systems (Suzhou) Co. Ltd. Suzhou, Jiangsu 215126 (CN)	(72) Inventors: WEI, Mingyang Suzhou, Jiangsu 215126 (CN) XU, Wenjie Suzhou, Jiangsu 215126 (CN) HE, Yixia Suzhou, Jiangsu 215126 (CN) (74) Representative: Maiwald GmbH  Elisenhof Elisenstraße 3 80335 München 80335 München (DE)