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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9/00
Milk preparations; Milk powder or milk powder preparations
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A23C9/14
in which the chemical composition of the milk is modified by non-chemical treatment
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A23C9/142
by dialysis, reverse osmosis or ultrafiltration
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A23C9/1427
by dialysis, reverse osmosis or hyperfiltration, e.g. for concentrating or desalting
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