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PCE
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DIFF Subgroup
B01D 3/34

with one or more auxiliary substances

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping > with one or more auxiliary substances

CPC:

Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping ( gas chromatography B01D15/08; destructive distillation C10B; preparation of alcoholic beverages by distillation C12H6/02) > with one or more auxiliary substances

Of 4 combined children, 3 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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  • B01D 3/36 Azeotropic distillation IPC+CPC Available in IPC and CPC
  • B01D 3/38 Steam distillation IPC+CPC Available in IPC and CPC
  • B01D 3/40 Extractive distillation IPC+CPC Available in IPC and CPC