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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A61K47/50
the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
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A61K47/51
the non-active ingredient being a modifying agent
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A61K47/56
the modifying agent being an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule
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A61K47/59
obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyureas or polyurethanes
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A61K47/595
Polyamides, e.g. nylon
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