DIFF Subgroup
F25J 3/06 by partial condensation (F25J3/08 takes precedence; by rectification F25J3/02 )
Introduced: September 1968
Title
Titles differ between systems:
IPC: by partial condensation
CPC: by partial condensation (F25J3/08 takes precedence; by rectification F25J3/02 )
Full Title
Full titles differ between systems:
IPC:
Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification > by partial condensation
CPC:
Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification > by partial condensation (F25J3/08 takes precedence; by rectification F25J3/02 )
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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