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A62D 3/00

Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances (consuming noxious gases by combustion F23G7/06)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Processes for making harmful chemical substances harmless, or less harmful, by effecting a chemical change in the substances

CPC: Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances (consuming noxious gases by combustion F23G7/06)

Full Title

Full titles differ between systems:

IPC:

Processes for making harmful chemical substances harmless, or less harmful, by effecting a chemical change in the substances

CPC:

Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances (consuming noxious gases by combustion F23G7/06)

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2007.

Child Classifications

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  • A62D 3/02 by biological methods, i.e. processes using enzymes or microorganisms since 2007 IPC+CPC Available in IPC and CPC
  • A62D 3/20 by hydropyrolysis or destructive steam gasification, e.g. using water and heat or supercritical water, to effect chemical change since 2007 IPC+CPC Available in IPC and CPC
  • A62D 3/40 by heating to effect chemical change, e.g. pyrolysis since 2007 IPC+CPC Available in IPC and CPC