DIFF Subgroup
B01D 3/10 Vacuum distillation (B01D3/12 takes precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Vacuum distillation
CPC: Vacuum distillation (B01D3/12 takes precedence)
Full Title
Full titles differ between systems:
IPC:
Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping > Vacuum distillation
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) > Vacuum distillation (B01D3/12 takes precedence)
Of 5 combined children, 0 exist in both systems.
5 codes are CPC-only extensions.
Child Classifications
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