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PCE
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DIFF Subgroup
F24F 8/15

by chemical means

Introduced: January 2021

Full Title

Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying > by separation, e.g. by filtering > by chemical means

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 2021.

Child Classifications

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  • F24F 8/158 using active carbon since 2021 IPC+CPC Available in IPC and CPC
  • F24F 8/167 using catalytic reactions since 2021 IPC+CPC Available in IPC and CPC