DIFF Subgroup
A23B 7/144 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
Introduced: January 1980
Full Title
Full titles differ between systems:
IPC:
Preservation of fruit or vegetables; Chemical ripening of fruit or vegetables > Preserving or ripening with chemicals not covered by group or > in the form of gases, e.g. fumigation; Compositions or apparatus therefor
CPC:
Preservation of fruit or vegetables; Chemical ripening of fruit or vegetables > Preserving or ripening with chemicals not covered by group A23B7/08 or A23B7/10 > in the form of gases, e.g. fumigation; Compositions or apparatus therefor
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1980.
Child Classifications
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- A23B 7/148 in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O since 1980 IPC+CPC Available in IPC and CPC
- A23B 7/152 in a controlled atmosphere comprising other gases in addition to CO2, N2, O2 or H2O since 1980 IPC+CPC Available in IPC and CPC