(19)
(11) EP 4 823 712 A1

(12)

(43) Date of publication:
21.10.2026 Bulletin 2026/43

(21) Application number: 24813143.5

(22) Date of filing: 25.11.2024
(51) International Patent Classification (IPC): 
B01D 53/02(2006.01)
B01J 20/00(2006.01)
 B01D 53/04(2006.01)
(52) Cooperative Patent Classification (CPC):
B01D 2257/504; B01D 2253/25; B01D 2253/102; B01D 53/02; B01D 53/0462; Y02C 20/40; B01J 20/28042; B01J 20/321; B01J 20/3248; B01J 20/3272; B01J 20/28004; B01J 20/3425; B01J 20/3483; B01J 2220/44; B01J 2220/56; B01J 20/3092
(86) International application number:
PCT/EP2024/083431
(87) International publication number:
WO 2025/124872 (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: 12.12.2023 EP 23215948

(71) Applicant: Climeworks AG
8152 Glattpark (Opfikon) (CH)

(72) Inventors:
  • ALBANI, Davide
    Glattpark (Opfikon) (CH)
  • CHAN, Ka Wing
    Glattpark (Opfikon) (CH)

(74) Representative: Bremi, Tobias Hans 
Isler & Pedrazzini AG Giesshübelstrasse 45 Postfach 1772
8027 Zürich
8027 Zürich (CH)

   


(54) SORBENT MATERIAL FOR CO2 CAPTURE, USES THEREOF AND METHODS FOR MAKING SAME