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PCE
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Search for IPC and CPC classification codes or keywords
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 3/721 CPC only CPC only
  • C10J 3/723 CPC only CPC only
  • C10J 3/725 CPC only CPC only
  • C10J 3/726 CPC only CPC only
  • C10J 3/728 CPC only CPC only
  • C10J 3/78 High-pressure apparatus IPC+CPC Available in IPC and CPC
  • C10J 3/80 with arrangements for preheating the blast or the water vapour IPC+CPC Available in IPC and CPC
  • C10J 3/86 combined with waste-heat boilers IPC+CPC Available in IPC and CPC