Patent classifications
A
HUMAN NECESSITIES
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A23
FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
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A23C
DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; PREPARATION THEREOF
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2240/00
Use or particular additives or ingredients
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A23C2240/20
Inert gas treatment, using, e.g. noble gases or CO2, including CO2 liberated by chemical reaction; Carbonation of milk products
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