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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