(19)
(11) EP 4 824 023 A1

(12)

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

(21) Application number: 24828788.0

(22) Date of filing: 13.12.2024
(51) International Patent Classification (IPC): 
C07C 29/70(2006.01)
C07C 29/80(2006.01)
B01D 3/00(2006.01)
 C07C 31/30(2006.01)
C07C 31/04(2006.01)
B01D 3/14(2006.01)
(52) Cooperative Patent Classification (CPC):
C07C 29/80; C07C 29/70; B01D 3/009; B01D 3/143; Y02P 20/10
 
C-Sets:
  1. C07C 29/80, C07C 31/04;
  2. C07C 29/70, C07C 31/30;
(86) International application number:
PCT/EP2024/086173
(87) International publication number:
WO 2025/125546 (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: 14.12.2023 EP 23216793

(71) Applicant: BASF SE
67056 Ludwigshafen am Rhein (DE)

(72) Inventors:
  • WEISSKER, Wolf-Steffen
    67056 Ludwigshafen am Rhein (DE)
  • GOETZ, Manuel Manfred
    67056 Ludwigshafen am Rhein (DE)
  • HOFEN, Kai
    67056 Ludwigshafen am Rhein (DE)
  • FRIEDRICH, Holger
    67056 Ludwigshafen am Rhein (DE)

(74) Representative: Altmann Stößel Dick Patentanwälte PartG mbB 
Isartorplatz 1
80331 München
80331 München (DE)

   


(54) INTEGRATED PROCESS FOR SIMULTANEOUSLY PREPARING ALKALI METAL METHOXIDES