IPC Subgroup
A23B 7/144 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
Introduced: January 1980
Last revised: January 2006
Full Title
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
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; PREPARATION, TREATMENT OR PRESERVATION THEREOF
- Subclass:
- PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
2 direct subcodes
Child Classifications
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- A23B 7/148 in a controlled atmosphere, e.g. partial vacuum, comprising only CO, N, O or HO
- A23B 7/152 in a controlled atmosphere comprising other gases in addition to CO, N, O or HO