DIFF Subgroup
C25B 9/19 with diaphragms
Introduced: January 2021
Full Title
Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features > Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof > with diaphragms
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 2021.
Child Classifications
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- C25B 9/23 comprising ion-exchange membranes in or on which electrode material is embedded since 2021 IPC+CPC Available in IPC and CPC