3. Mechanical processes
3.1 Fogging/drying process
The fogging/drying process is a continuous, single-step process that transforms an initial liquid formulation into a dry microparticulate form. The initial liquid formulation may consist of :
or a solution of active ingredient and coating material;
a dispersion of solid particles of active ingredient in a solution or emulsion of coating material;
or an emulsion of active material in a solution of coating material.
This process comprises the following four sequential steps:
nebulization of the initial liquid formulation...
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Mechanical processes
Chemical processes
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