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EP 4 798 349 A1

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(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24841612.5 (22) Date of filing: 19.12.2024

(51) International Patent Classification (IPC):  B01D 53/62(2006.01) B01D 53/96(2006.01) (52) Cooperative Patent Classification (CPC): B01D 53/62; B01D 2257/504; B01D 2251/604; B01D 53/96; B01D 2251/304; B01D 2251/306; C01F 11/06; C01F 11/181; C01B 32/50; C01B 32/60; Y02C 20/40 (86) International application number: PCT/US2024/061035 (87) International publication number: WO 2025/137281 (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 US 202363612243 P (71) Applicant: Carbon Engineering ULC Squamish, BC V8B 0A2 (CA)

(72) Inventors: KEMP, Kyle Wayne Squamish, British Columbia V8B 0A2 (CA) MONTES, Paulo Sergio Hernandez Squamish, British Columbia V8B 0A2 (CA) O'BRIEN, Megan Lynn Squamish, British Columbia V8B 0A2 (CA) HARVEY, Ian Ross Squamish, British Columbia V8B 0A2 (CA) OSTERICHER, Andrew Logan Squamish, British Columbia V8B 0A2 (CA) (74) Representative: Fish & Richardson P.C.  Highlight Business Towers Mies-van-der-Rohe-Straße 8 80807 München 80807 München (DE)