Processes of filtration (processes specially adapted for filtering gases B01D46/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Processes of filtration

CPC: Processes of filtration (processes specially adapted for filtering gases B01D46/00)

Full titles differ between systems:

IPC:

Processes of filtration

CPC:

Processes of filtration (processes specially adapted for filtering gases B01D46/00)

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

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B01D 37/02 Precoating the filter medium; Addition of filter aids to the liquid being filtered +1 CPC IPC+CPC Available in IPC and CPC
B01D 37/03 using flocculating agents since 1990 IPC+CPC Available in IPC and CPC
B01D 37/04 Controlling the filtration +5 CPC IPC+CPC Available in IPC and CPC

Class B01,2013–2023, worldwide · Source: EPO PATSTAT

Class B01,2013–2023, worldwide · Source: EPO PATSTAT