(19)
(11)
EP 4 519 479 A1
(12)
(43)
Date of publication:
12.03.2025
Bulletin 2025/11
(21)
Application number:
23725151.7
(22)
Date of filing:
04.05.2023
(51)
International Patent Classification (IPC):
C23G
1/36
(2006.01)
C23G
3/02
(2006.01)
B01D
61/58
(2006.01)
C23G
1/08
(2006.01)
B01D
61/14
(2006.01)
B01D
63/06
(2006.01)
(52)
Cooperative Patent Classification (CPC):
C23G
1/36
;
C23G
1/081
;
C23G
3/027
;
B01D
61/147
;
B01D
63/06
;
B01D
2325/42
;
B01D
61/58
;
B01D
71/261
;
B01D
2311/06
(86)
International application number:
PCT/EP2023/061752
(87)
International publication number:
WO 2023/213923
(
09.11.2023
Gazette 2023/45)
(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:
06.05.2022
EP 22172132
(71)
Applicant:
John Cockerill UVK GmbH
56410 Montabaur (DE)
(72)
Inventor:
ZOELLNER, Andreas
40878 Ratingen (DE)
(74)
Representative:
Kutzenberger Wolff & Partner
Waidmarkt 11
50676 Köln
50676 Köln (DE)
(54)
METHOD OF TREATING A PICKLING SOLUTION FOR A PICKLING PROCESS