Patent classifications
A
HUMAN NECESSITIES
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A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
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A61K
PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
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36/00
Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
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A61K36/18
Magnoliophyta (angiosperms)
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A61K36/185
Magnoliopsida (dicotyledons)
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A61K36/70
Polygonaceae (Buckwheat family), e.g. spineflower or dock
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A61K36/708
Rheum (rhubarb)
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