DIFF Subgroup
C10J 3/22 Arrangements or dispositions of valves or flues
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Production of gases containing carbon monoxide and hydrogen, e.g. synthesis gas or town gas, from solid carbonaceous materials by partial oxidation processes involving oxygen or steam > Fixed-bed gasification of lump fuel > Apparatus; Plants > Arrangements or dispositions of valves or flues
CPC:
Production of combustible gases containing carbon monoxide from solid carbonaceous fuels (destructive distillation processes C10B) > Fixed-bed gasification of lump fuel > Apparatus; Plants > Arrangements or dispositions of valves or flues
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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- C10J 3/24 to permit flow of gases or vapours other than upwardly through the fuel bed IPC+CPC Available in IPC and CPC