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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A61K8/18
characterised by the composition
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A61K8/96
containing materials, or derivatives thereof of undetermined constitution
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A61K8/97
from algae, fungi, lichens or plants; from derivatives thereof
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A61K8/9722
Chlorophycota or Chlorophyta [green algae], e.g. Chlorella
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