Back to results
US 9,539,211 B2Granted
Ultra low density pulmonary powders
AssigneeCivitas Therapeutics, Inc.
InventorsMichael M. Lipp, Richard P. Batycky
Life of this patent
Estimating the term…
Abstract
The invention provides pharmaceutical compositions for pulmonary delivery comprising particles containing a pharmaceutical agent and having a geometric size of greater than about 5 μm and a tap density of less than about 0.075 g/cm3. The invention also provides methods for delivering the pharmaceutical compositions of the invention to the respiratory tract of a patient.
Claims9
A pharmaceutical composition for pulmonary delivery comprising particles of levodopa having:
- a geometric size of about 8 μm to about 12 μm;
- a tap density of about 0.025 g/cm3 to about 0.050 g/cm3;
- a water content between 1.90 and 2.90 weight percent.
Dependencies are inferred from the claim text.