Patent classifications
A
HUMAN NECESSITIES
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A23
FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
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A23B
PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
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4/00
Preservation of meat, sausages, fish or fish products
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A23B4/02
Preserving by means of inorganic salts
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A23B4/027
by inorganic salts other than kitchen salt or mixtures thereof with organic compounds, e.g. biochemical compounds
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