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EP 4 823 736 A1

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(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24828874.8 (22) Date of filing: 29.11.2024

(51) International Patent Classification (IPC):  B01J 19/24(2006.01) B01J 19/32(2006.01) (52) Cooperative Patent Classification (CPC): B01J 19/2485; B01J 19/2475; B01J 19/249; B01J 19/32; B01J 2219/00135; B01J 2219/00162; B01J 2219/00247; B01J 2219/32293; B01J 2219/32296; B01J 19/2455; B01J 2235/30; B01J 23/755; B01J 35/45; C01B 3/26; C01B 2203/04; C01B 2203/085; C01B 2203/1058; C01B 2203/1082; C01B 32/05 (86) International application number: PCT/IB2024/062049 (87) International publication number: WO 2025/125974 (19.06.2025 Gazette 2025/25)

(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: 13.12.2023 PT 2023119148 (71) Applicants: Consejo Superior De Investigaciones Científicas 28006 Madrid (ES) Universitat Politècnica de València 46022 Valencia (ES) Hycarb, Lda 3530-259 Mangualde (PT)

(72) Inventors: MAGALHÃES MENDES, Adélio Miguel 4200-465 PORTO (PT) MARTINS ALVES, Luís Daniel 4200-465 PORTO (PT) BARROS PEREIRA, Vítor Hugo 4200-465 PORTO (PT) MONTEIRO PEREIRA COSTA DIAS, Paula Manuela 4200-465 PORTO (PT) PRIETO GONZALEZ, Gonzalo 46015 VALENCIA Valencia (ES) ATASHI, Niloufar 46045 VALENCIA Valencia (ES) (74) Representative: Patentree  Edificio Net Rua de Salazares, 842 4149-002 Porto 4149-002 Porto (PT)