• All sections
• A - Human necessities
• A23L - Foods, foodstuffs, or non-alcoholic beverages, not covered by subclasses or ; their preparation or treatment, e.g. cooking, modification of nutritive qualities, physical treatment ; preservation of foods or foodstuffs, in general
• A23L 3/3409 - Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor

Patent holdings for IPC class A23L 3/3409

Total number of patents in this class: 245

10-year publication summary

Principal owners for this class