Products

Introduced: January 2021

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Electrolytic production of inorganic compounds or non-metals > Products

IPC and CPC are identically structured here. All 13 subcodes exist in both systems.

IPC defines codes here since 1974.

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C25B 1/02 Hydrogen or oxygen since 1974 IPC+CPC Available in IPC and CPC
C25B 1/13 Ozone since 2000 IPC+CPC Available in IPC and CPC
C25B 1/135 Carbon since 2021 IPC+CPC Available in IPC and CPC
C25B 1/14 Alkali metal compounds since 1974 IPC+CPC Available in IPC and CPC
C25B 1/18 Alkaline earth metal compounds or magnesium compounds since 1974 IPC+CPC Available in IPC and CPC
C25B 1/21 Manganese oxides since 2000 IPC+CPC Available in IPC and CPC
C25B 1/22 Inorganic acids since 1974 IPC+CPC Available in IPC and CPC
C25B 1/23 Carbon monoxide or syngas since 2021 IPC+CPC Available in IPC and CPC
C25B 1/24 Halogens or compounds thereof since 1974 IPC+CPC Available in IPC and CPC
C25B 1/27 Ammonia since 2021 IPC+CPC Available in IPC and CPC
C25B 1/28 Per-compounds since 1974 IPC+CPC Available in IPC and CPC
C25B 1/33 Silicon since 2021 IPC+CPC Available in IPC and CPC
C25B 1/34 Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis since 1974 IPC+CPC Available in IPC and CPC

Class C25,2013–2023, worldwide · Source: EPO PATSTAT

Class C25,2013–2023, worldwide · Source: EPO PATSTAT