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PCE
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DIFF Subgroup
B01D 17/02

Separation of non-miscible liquids

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion > Separation of non-miscible liquids

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) > Separation of non-miscible liquids

Of 9 combined children, 1 exist in both systems.

4 codes are CPC-only extensions, 4 exist only in IPC.

Child Classifications

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  • B01D 17/0202 CPC only CPC only
  • B01D 17/0205 CPC only CPC only
  • B01D 17/0217 CPC only CPC only
  • B01D 17/022 by contact with a preferentially wettable solid since 1985 IPC only IPC only
  • B01D 17/035 by using gas-bubbles or moving solids introduced into the mixture since 1985 IPC only IPC only
  • B01D 17/038 by centrifugal force since 1985 IPC only IPC only