(19)

(11)

EP 4 816 075 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24828191.7 (22) Date of filing: 07.11.2024

(51) International Patent Classification (IPC):  B01D 11/02(2006.01) A23F 5/24(2006.01) A23F 3/16(2006.01) (52) Cooperative Patent Classification (CPC): B01D 11/0207; B01D 11/0219; B01D 11/0265; B01D 11/0284; B01D 11/0288; A23F 3/16; A23F 5/24 (86) International application number: PCT/RO2024/050009 (87) International publication number: WO 2025/116760 (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: 27.11.2023 RO 202300745 (71) Applicant: Tatar, Daniel Voluntari (RO)	(72) Inventor: TATAR, Doru Voluntari (RO) (74) Representative: Munteanu, Manuela-Cornelia  Rominvent S.A. Industrial Property Agency 1st Floor, Sector 1 35, Ermil Pangratti Str. 011882 Bucharest 011882 Bucharest (RO)