(19)
(11) EP 4 504 996 A1

(12)

(43) Date of publication:
12.02.2025 Bulletin 2025/07

(21) Application number: 23717886.8

(22) Date of filing: 05.04.2023
(51) International Patent Classification (IPC): 
C25B 1/24(2021.01)
C25B 9/13(2021.01)
C25B 15/08(2006.01)
 C25B 1/28(2021.01)
C25B 11/083(2021.01)
(52) Cooperative Patent Classification (CPC):
C25B 1/24; C25B 9/13; C25B 15/08; C25B 9/19; C25B 11/083; C25B 1/28
(86) International application number:
PCT/EP2023/058931
(87) International publication number:
WO 2023/194432 (12.10.2023 Gazette 2023/41)
(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:
KH MA MD TN

(30) Priority: 05.04.2022 EP 22166724

(71) Applicant: PharmaZell GmbH
83064 Raubling (DE)

(72) Inventors:
  • WALDVOGEL, Siegfried R.
    55435 Gau-Algesheim (DE)
  • ARNDT, Sebastian
    63452 Hanau (DE)
  • GROSS, Ralf
    83071 Stephanskirchen (DE)

(74) Representative: Reitstötter Kinzebach 
Patentanwälte Sternwartstraße 4
81679 München
81679 München (DE)

   


(54) METHOD FOR PREPARING PERIODATES VIA ANODIC OXIDATION IN A STEADY STATE REACTOR