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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47/00
Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
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A61K47/06
Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
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A61K47/16
containing nitrogen,; e.g. nitro-, nitroso-, azo-compounds, nitriles, cyanates
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A61K47/18
Amines; Amides; Ureas; Quaternary ammonium compounds; Amino acids; Oligopeptides having up to five amino acids
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A61K47/186
Quaternary ammonium compounds, e.g. benzalkonium chloride or cetrimide
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