Selection of substances as active materials, active masses, active liquids

Introduced: July 1974

Full Title

Electrodes > Electrodes composed of, or comprising, active material > Selection of substances as active materials, active masses, active liquids

Of 6 combined children, 4 exist in both systems.

2 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1974.

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H01M 4/362 +2 CPC CPC only CPC only
H01M 4/368 CPC only CPC only
H01M 4/38 of elements or alloys since 1974 +5 CPC IPC+CPC Available in IPC and CPC
H01M 4/48 of inorganic oxides or hydroxides since 1974 +2 CPC IPC+CPC Available in IPC and CPC
H01M 4/58 of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates since 1974 +4 CPC IPC+CPC Available in IPC and CPC
H01M 4/60 of organic compounds since 1974 +1 CPC IPC+CPC Available in IPC and CPC

Class H01,2013–2023, worldwide · Source: EPO PATSTAT

Class H01,2013–2023, worldwide · Source: EPO PATSTAT