(19)
(11) EP 4 577 490 A1

(12)

(43) Date of publication:
02.07.2025 Bulletin 2025/27

(21) Application number: 22956655.9

(22) Date of filing: 29.08.2022
(51) International Patent Classification (IPC): 
C01B 3/02(2006.01)
B01D 53/58(2006.01)
C01B 3/04(2006.01)
(52) Cooperative Patent Classification (CPC):
C01B 3/047; C01B 2203/0816
(86) International application number:
PCT/US2022/041910
(87) International publication number:
WO 2024/043908 (29.02.2024 Gazette 2024/09)
(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 MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 25.08.2022 US 202217896026
25.08.2022 US 202217896029

(71) Applicant: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude
75007 Paris (FR)

(72) Inventors:
  • BEYER, Christoph
    60439 Frankfurt Am Main (DE)
  • BREINING, Robert
    60439 Frankfurt Am Main (DE)
  • ULBER, Dieter
    60439 Frankfurt Am Main (DE)

(74) Representative: Air Liquide 
L'Air Liquide S.A. Direction de la Propriété Intellectuelle 75, Quai d'Orsay
75321 Paris Cedex 07
75321 Paris Cedex 07 (FR)

   


(54) A METHOD FOR CONVERTING AN EXISTING INDUSTRIAL UNIT TO PRODUCE HYDROGEN FROM AMMONIA