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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8/00
Cosmetics or similar toiletry preparations
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A61K8/02
characterised by special physical form
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A61K8/066
Multiple emulsions, e.g. water-in-oil-in-water
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