• 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 4/20 - Organic compounds; Microorganisms; Enzymes

Patent holdings for IPC class A23B 4/20

Total number of patents in this class: 393

10-year publication summary

Principal owners for this class