by electrolysis

Introduced: January 1990

Full Title

Full titles differ between systems:

IPC:

Treatment of water, waste water, or sewage > by electrochemical methods > by electrolysis

CPC:

Treatment of water, waste water, or sewage (C02F3/00 - C02F9/00 take precedence) > by electrochemical methods > by electrolysis

Of 4 combined children, 3 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1990.

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C02F 1/46104 +3 CPC CPC only CPC only
C02F 1/463 by electrocoagulation since 1990 IPC+CPC Available in IPC and CPC
C02F 1/465 by electroflotation since 1990 IPC+CPC Available in IPC and CPC
C02F 1/467 by electrochemical disinfection; since 1990 +2 CPC IPC+CPC Available in IPC and CPC

Class C02,2013–2023, worldwide · Source: EPO PATSTAT

Class C02,2013–2023, worldwide · Source: EPO PATSTAT