Prefilming atomizer

Details Prefilming atomizer Prefilming atomizer

2011-06-28

2011-06-28

Boeckmann, Jason J (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Combining of separately supplied fluids

At or beyond outlet

C239S421000, C239S426000, C239S429000, C239S433000, C239S434000, C239S543000

Reexamination Certificate

active

07967221

ABSTRACT:
A method of forming droplets comprises flowing a liquid through a channel; spreading the liquid into a thin film in the channel; and impinging the thin film with a flowing gas to atomize the liquid into droplets. The droplets may then be dried to produce dried particles, such as particles comprising a pharmaceutical active agent. The droplets formed by the disclosed process have improved size and/or size distribution characteristics.

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