Process for milling and preparing powders and compositions...

Details Process for milling and preparing powders and compositions... Process for milling and preparing powders and compositions...

B - Operations, Transporting

02

C

B02C 19/06 (2006.01)

Patent

CA 2614409

A method of milling a powder comprising introducing a gas stream containing a cryogenic liquid and a drug carrier gas into a jet mill, and milling a powder with the jet mill in one or more milling passes. A product produced by the method. A milling apparatus comprising a cryogenic gas input system, a powder feeder, a main jet-mill, and at least one output port for collecting the powder.

Procédé de broyage d'une poudre comprenant l'introduction d'un flux gazeux contenant un liquide cryogénique et un gaz vecteur de médicament dans un broyeur à jet et le broyage d'une poudre avec le broyeur à jet en une ou plusieurs passes de broyage ; produit qui est produit par le procédé ; appareil de broyage comprenant un système d'introduction de gaz cryogénique, un chargeur de poudre, un broyeur à jet principal et au moins un orifice de sortie servant à recueillir la poudre.

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