DIFF Subgroup
B01D 3/30 Fractionating columns with movable parts or in which centrifugal movement is caused
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 with movable parts or in which centrifugal movement is caused
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 with movable parts or in which centrifugal movement is caused
No child classifications to compare. This is a leaf node in both IPC and CPC.