(19)

(11)

EP 4 429 810 A1

(12)

(43) Date of publication: 18.09.2024 Bulletin 2024/38 (21) Application number: 22893899.9 (22) Date of filing: 12.11.2022

(51) International Patent Classification (IPC):  B01J 20/02(2006.01) B01J 20/04(2006.01) C10K 1/00(2006.01) (52) Cooperative Patent Classification (CPC): B01D 2257/93; B01D 2257/91; B01D 53/30; B01D 53/0446; B01D 2259/804; B01D 2258/06; B01D 2259/4508; B01D 53/04 (86) International application number: PCT/US2022/079780 (87) International publication number: WO 2023/086975 (19.05.2023 Gazette 2023/20)

(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: 12.11.2021 US 202117525848 10.08.2022 US 202217885141 (71) Applicant: Nanosieve Inc. Miami Beach, FL 33139 (US)	(72) Inventor: ABIZEID, Gabrielle Miami Beach, FL 33139 (US) (74) Representative: Blower, Timothy John  IP-Active.com Limited Union House 111 New Union Street Coventry CV1 2NT Coventry CV1 2NT (GB)