DIFF Subgroup
C10J 3/72 Other features
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 > Other features
CPC:
Production of combustible gases containing carbon monoxide from solid carbonaceous fuels (destructive distillation processes C10B) > Other features
Of 10 combined children, 5 exist in both systems.
5 codes are CPC-only extensions.
Child Classifications
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- C10J 3/80 with arrangements for preheating the blast or the water vapour IPC+CPC Available in IPC and CPC