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US 2004/0175328 A1Published application
Spray-dried microparticles and their use as therapeutic vehicles
OwnerAndrew D. Sutton, Richard A. Johnson +2inventors
InventorsAndrew D. Sutton, Richard A. Johnson, Peter J. Senior, David Heath
Life of this patent
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Abstract
Microparticles of a water-soluble material, which are smooth and spherical, and at least 90% of which have a mass median particle size of 1 to 10 μm, and which carry a therapeutic or diagnostic agent can successfully be used in dry powder inhalers to deliver the said agent.
Claims19
Microparticles of a water-soluble material, which are smooth and spherical, and at least 90% of which have a mass median particle size of 1 to 10 μm.
Dependencies are inferred from the claim text.