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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2236/00
Isolation or extraction methods of medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicine
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A61K2236/50
Methods involving additional extraction steps
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A61K2236/51
Concentration or drying of the extract, e.g. Lyophilisation, freeze-drying or spray-drying
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