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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A61K49/04
X-ray contrast preparations
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A61K49/0433
containing an organic halogenated X-ray contrast-enhancing agent
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A61K49/0447
Physical forms of mixtures of two different X-ray contrast-enhancing agents, containing at least one X-ray contrast-enhancing agent which is a halogenated organic compound
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A61K49/0476
Particles, beads, capsules, spheres
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A61K49/0485
Nanoparticles, nanobeads, nanospheres, nanocapsules, i.e. having a size or diameter smaller than 1 micrometer
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