EP 4263432 A1 20231025 - PROCESS FOR PRODUCING IRON OXYHYDROXIDE
Title (en)
PROCESS FOR PRODUCING IRON OXYHYDROXIDE
Title (de)
VERFAHREN ZUR HERSTELLUNG VON EISENOXIHYDROXID
Title (fr)
PROCÉDÉ DE PRODUCTION D'OXYHYDROXYDE DE FER
Publication
Application
Priority
- EP 20216002 A 20201221
- EP 2021084720 W 20211208
Abstract (en)
[origin: WO2022135925A1] The invention relates to a process for producing iron oxyhydroxides by adding an aqueous iron salt solution (A) and an alkaline, aqueous precipitating agent solution (B) to a receiver and maintaining the pH in the range of 6 to 10.
IPC 8 full level
C01G 49/00 (2006.01); C01G 49/02 (2006.01)
CPC (source: EP)
C01G 49/0009 (2013.01); C01G 49/02 (2013.01); C01P 2006/12 (2013.01)
Citation (search report)
See references of WO 2022135925A1
Designated contracting state (EPC)
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 state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
EP 4015459 A1 20220622; CN 116615392 A 20230818; EP 4263432 A1 20231025; JP 2024501270 A 20240111; WO 2022135925 A1 20220630
DOCDB simple family (application)
EP 20216002 A 20201221; CN 202180086411 A 20211208; EP 2021084720 W 20211208; EP 21830664 A 20211208; JP 2023538120 A 20211208