(19)

(11)

EP 4 798 547 A1

(12)

(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24834751.0 (22) Date of filing: 19.12.2024

(51) International Patent Classification (IPC):  C02F 1/467(2023.01) C02F 3/28(2023.01) C02F 101/12(2006.01) C02F 101/30(2006.01) C02F 103/06(2006.01) C02F 103/34(2006.01) C02F 3/02(2023.01) C02F 1/461(2023.01) C02F 101/16(2006.01) C02F 103/00(2006.01) C02F 103/30(2006.01) (52) Cooperative Patent Classification (CPC): C02F 1/4672; C02F 3/02; C02F 3/28; C02F 2001/46147; C02F 2001/46157; C02F 2101/12; C02F 2101/16; C02F 2209/08; C02F 2209/20; C02F 2209/40; C02F 2301/046; C02F 2101/30; C02F 2103/001; C02F 2103/06; C02F 2103/30; C02F 2103/343 (86) International application number: PCT/EP2024/087773 (87) International publication number: WO 2025/133035 (26.06.2025 Gazette 2025/26)

(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: 19.12.2023 EP 23307272 19.12.2023 EP 23307273 (71) Applicant: Université Gustave Eiffel 77420 Champs-sur-Marne (FR)	(72) Inventors: GIBERT-VILAS, Màxim 11100 Narbonne (FR) TRELLU, Clément 94360 Bry-sur-Marne (FR) PECHAUD, Yoan 92140 Clamart (FR) OTURAN, Mehmet 94350 Villiers sur Marne (FR) OTURAN, Nihal 94350 Villiers sur Marne (FR) KHERBECHE, Abderrahmane 77420 Champs- sur-Marne (FR) (74) Representative: A.P.I. Conseil  Technopôle Hélioparc 4, rue Jules Ferry 64000 Pau 64000 Pau (FR)