Prefilming atomizer

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B - Operations, Transporting

05

B

B05B 1/26 (2006.01) A61K 9/16 (2006.01) A61K 9/50 (2006.01) B01D 1/18 (2006.01) B01D 1/20 (2006.01) B01J 2/04 (2006.01) B05B 7/06 (2006.01)

Patent

CA 2508870

A method of forming droplets comprises flowing a liquid (65) through a channel (60); spreading the liquid into a thin film in the channel; and impinging the thin film with a flowing gas (100) to atomize the liquid (65) 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.

Procédé de formation de gouttelettes consistant à : faire écouler un liquide par un canal; étaler le liquide sous forme d'un film mince dans le canal et mettre en contact le film mince avec un gaz en écoulement afin d'atomiser le liquide sous forme de gouttelettes. Il est ensuite possible de sécher les gouttelettes pour produire des particules séchées telles que des particules comprenant un agent actif d'un point de vue pharmaceutique. Les gouttelettes obtenues par ce processus présentent de meilleures caractéristiques concernant leur grosseur et/ou leur granulométrie.

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