(19)

(11)

EP 4 531 553 A1

(12)

(43) Date of publication: 09.04.2025 Bulletin 2025/15 (21) Application number: 23816877.7 (22) Date of filing: 31.05.2023

(51) International Patent Classification (IPC):  A01K 63/04(2006.01) B01D 35/02(2006.01) B01D 29/68(2006.01) (52) Cooperative Patent Classification (CPC): B01D 35/02; B01D 29/33; B01D 29/6438; B01D 29/68; B01D 2201/24; A01K 63/045 (86) International application number: PCT/US2023/067643 (87) International publication number: WO 2023/235717 (07.12.2023 Gazette 2023/49)

(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: 02.06.2022 US 202217831067 (71) Applicant: Roche, Stephen D. Nashville, TN 37205 (US)	(72) Inventor: Roche, Stephen D. Nashville, TN 37205 (US) (74) Representative: Potter Clarkson  Chapel Quarter Mount Street Nottingham NG1 6HQ Nottingham NG1 6HQ (GB)