Process for the preparation of respirable particles

Details Process for the preparation of respirable particles Process for the preparation of respirable particles

A - Human Necessities

61

K

A61K 31/58 (2006.01) A61K 9/12 (2006.01) A61K 9/14 (2006.01) A61K 9/72 (2006.01) A61K 31/135 (2006.01) A61K 31/16 (2006.01) A61K 31/565 (2006.01) A61K 45/06 (2006.01) A61K 47/06 (2006.01)

Patent

CA 2217062

A process for producing a pharmaceutical powder for inhalation comprising crystalline particles of an inhalation compound, comprising dissolving an inhalation compound in a solvent; and introducing the solution containing the inhalation compound in droplet form or as a jet stream, into an anti-solvent which is miscible with the solvent and which is under agitation.

Cette invention concerne un procédé destiné à la production d'une poudre pharmaceutique pour inhalation comprenant des particules cristallines d'un composé d'inhalation. Ce procédé consiste à dissoudre un composé d'inhalation dans un solvant, puis à introduire la solution contenant ledit composé d'inhalation sous forme de gouttelettes ou d'un jet de gaz dans un anti-solvant, lequel est miscible avec le solvant et se trouve en état d'agitation.

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