Patent classifications
A
HUMAN NECESSITIES
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A23
FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
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A23F
COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
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5/00
Coffee; Coffee substitutes; Preparations thereof
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A23F5/46
Coffee flavour; Coffee oil; Flavouring of coffee or coffee extract
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A23F5/48
Isolation; or recuperation; of coffee flavour or coffee oil
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A23F5/505
by distillation, e.g. stripping the extract; Recovering volatile gases, e.g. during concentration
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