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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2800/00
Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
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A61K2800/40
Chemical, physico-chemical or functional or structural properties of particular ingredients
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A61K2800/41
Particular ingredients further characterized by their size
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A61K2800/413
Nanosized, i.e. having sizes below 100 nm
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