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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3/00
Tea; Tea substitutes; Preparations thereof
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A23F3/16
Tea extraction; Tea extracts; Treating tea extract; Making instant tea
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A23F3/163
Liquid or semi-liquid tea extract preparations, e.g. gels or liquid extracts in solid capsules
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