• All sections
• A - Human necessities
• A23B - Preserving, e.g. by canning, meat, fish, eggs, fruit, vegetables, edible seeds; chemical ripening of fruit or vegetables; the preserved, ripened, or canned products
• A23B 7/148 - Preserving or ripening with chemicals not covered by group or in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O

Patent holdings for IPC class A23B 7/148

Total number of patents in this class: 263

10-year publication summary

Principal owners for this class