Patent 9539211 was granted and assigned to Civitas Therapeutics on January, 2017 by the United States Patent and Trademark Office.
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.