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EP 4 543 563 A1

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(43) Date of publication: 30.04.2025 Bulletin 2025/18 (21) Application number: 23827819.6 (22) Date of filing: 22.06.2023

(51) International Patent Classification (IPC):  B01D 39/04(2006.01) B01D 39/14(2006.01) B01D 39/06(2006.01) B01D 39/16(2006.01) (52) Cooperative Patent Classification (CPC): B01D 39/04; B01D 39/06; B01D 2239/12; B01D 39/18; B01D 2239/0216; B01D 2239/1233; B01D 2239/065; B01D 39/2017; B01D 2239/10; B01D 2239/064; B01D 2239/0636; B01D 2239/0663; B01D 2239/08; B01D 2239/1291; B01D 2239/1258; B01D 39/1623; B01D 2239/0622; B01D 2239/0668 (86) International application number: PCT/US2023/025914 (87) International publication number: WO 2023/250052 (28.12.2023 Gazette 2023/52)

(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 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: 22.06.2022 US 202217846441 (71) Applicant: Hollingsworth & Vose Company East Walpole, MA 02032 (US)

(72) Inventors: CHENG, Xinquan Nashua, NH 03063 (US) YU, Howard Belmont, MA 02478 (US) LUO, Leilei Suzhou, Jiangsu 215127 (CN) LIU, Yu Blacksburg, VA 24060 (US) JAGANATHAN, Sudhakar Northborough, MA 01532 (US) ROWLANDS, Mark Stratford-upon-Avon CV37 9FE (GB) MU, Wei Saratoga Springs, NY 12866 (US) WITSCH, James, M. Westfield, MA 01886 (US) DAUS, Stephan 35066 Frankenberg (DE) (74) Representative: Carpmaels & Ransford LLP  One Southampton Row London WC1B 5HA London WC1B 5HA (GB)