Particle formation
AssigneePowderject Research Limited
InventorYuh-Fun Maa
Life of this patent
Estimating the term…
Abstract
Spray-coated pharmaceutical powder compositions for transdermal administration using a needleless syringe comprise seed particles coated with a pharmaceutical composition, the said coated seed particles having an average size of about 10 to 100 μm and having an envelope density ranging from about 0.1 to about 25 g/cm3.
Claims15
A spray-coated powder composition for administration from a needleless syringe, said powder composition comprising seed particles coated with a pharmaceutical composition, the said coated seed particles having an average size of about 10 to 100 μm and having an envelope density ranging from about 0.1 to about 25 g/cm3.
A method for preparing a spray-coated powder for administration from a needleless syringe, said method comprising spray-coating an aqueous pharmaceutical composition onto seed particles under conditions sufficient to provide coated particles having an average size of about 10 to 100 μm and an envelope density ranging from about 0.1 to about 25 g/cm3.
Dependencies are inferred from the claim text.