Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features

Introduced: July 1974

Of 12 combined children, 11 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 2021.

Child Classifications

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C25B 9/005 CPC only CPC only
C25B 9/01 Electrolytic cells characterised by shape or form since 2021 IPC+CPC Available in IPC and CPC
C25B 9/05 Pressure cells since 2021 IPC+CPC Available in IPC and CPC
C25B 9/07 Common duct cells since 2021 IPC+CPC Available in IPC and CPC
C25B 9/09 Fused bath cells since 2021 IPC+CPC Available in IPC and CPC
C25B 9/13 Single electrolytic cells with circulation of an electrolyte since 2021 IPC+CPC Available in IPC and CPC
C25B 9/17 Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof since 2021 IPC+CPC Available in IPC and CPC
C25B 9/30 Cells comprising movable electrodes, e.g. rotary electrodes; Assemblies of constructional parts thereof since 2021 +2 CPC IPC+CPC Available in IPC and CPC
C25B 9/40 Cells or assemblies of cells comprising electrodes made of particles; Assemblies of constructional parts thereof since 2021 +2 CPC IPC+CPC Available in IPC and CPC
C25B 9/50 Cells or assemblies of cells comprising photoelectrodes; Assemblies of constructional parts thereof since 2021 IPC+CPC Available in IPC and CPC
C25B 9/60 Constructional parts of cells since 2021 IPC+CPC Available in IPC and CPC
C25B 9/70 Assemblies comprising two or more cells since 2021 IPC+CPC Available in IPC and CPC