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DIFF Main Group
B01D 17/00

Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion (devices for separating or removing fatty or oily substances or similar floating material from water, waste water, or sewage C02F1/40; cleaning or keeping clear the surface of open water from oil or like materials E02B15/04; arrangements for separating lubricants from refrigerants F25B43/02)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion

CPC: Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion (devices for separating or removing fatty or oily substances or similar floating material from water, waste water, or sewage C02F1/40; cleaning or keeping clear the surface of open water from oil or like materials E02B15/04; arrangements for separating lubricants from refrigerants F25B43/02)

Full Title

Full titles differ between systems:

IPC:

Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion

CPC:

Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion (devices for separating or removing fatty or oily substances or similar floating material from water, waste water, or sewage C02F1/40; cleaning or keeping clear the surface of open water from oil or like materials E02B15/04; arrangements for separating lubricants from refrigerants F25B43/02)

Of 6 combined children, 3 exist in both systems.

2 codes are CPC-only extensions, 1 exist only in IPC.

Child Classifications

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  • B01D 17/005 CPC only CPC only
  • B01D 17/06 Separation of liquids from each other by electricity IPC+CPC Available in IPC and CPC
  • B01D 17/09 by thermal diffusion since 1985 IPC only IPC only
  • B01D 17/12 Auxiliary equipment particularly adapted for use with liquid-separating apparatus, e.g. control circuits since 1985 IPC+CPC Available in IPC and CPC