摘要 |
<p>A process for providing water-soluble micronised substances, be produced, stored and used while maintaining the aerodynamic properties required for inhalation of such substances, which process is carried out by: a) reducing, if necessary, the residual water from the micronised substance by drying; b) conditioning said dried, micronised substances with a solvent; and c) eliminating residual solvent by storing in a dry place like vacuum or by purging with an inert gas.</p> |