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PCE
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DIFF Subgroup
B01D 3/22

with horizontal sieve plates or grids; Construction of sieve plates or grids

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 > Fractional distillation > Fractionating columns in which vapour bubbles through liquid > with horizontal sieve plates or grids; Construction of sieve plates or grids

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) > Fractional distillation > Fractionating columns in which vapour bubbles through liquid (packing elements B01J19/30, B01J19/32) > with horizontal sieve plates or grids; Construction of sieve plates or grids

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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