C01B 3/00 Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen (production of water-gas or synthesis gas from solid carbonaceous material C10J)
Introduced: January 1980
Title
Titles differ between systems:
IPC: Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen
CPC: Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen (production of water-gas or synthesis gas from solid carbonaceous material C10J)
Full Title
Full titles differ between systems:
Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen
Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen (production of water-gas or synthesis gas from solid carbonaceous material C10J)
IPC and CPC are identically structured here. All 5 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1980.
Child Classifications
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- C01B 3/0005 Reversible storage of hydrogen, e.g. by hydrogen getters or electrodes since 2026 IPC+CPC Available in IPC and CPC
- C01B 3/02 Production of hydrogen; Production of gaseous mixtures containing hydrogen since 1980 IPC+CPC Available in IPC and CPC
- C01B 3/50 Separation of hydrogen or hydrogen-containing gases from gaseous mixtures, e.g. purification since 1980 IPC+CPC Available in IPC and CPC