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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49/00
Preparations for testing in vivo
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A61K49/06
Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations
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A61K49/18
characterised by a special physical form, e.g. emulsions, microcapsules, liposomes
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A61K49/1803
Semi-solid preparations, e.g. ointments, gels, hydrogels
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