Patent ID: 6551532
Filing Date: 2003-04-22
Classification: A61K,B01D,B01F,B01J

Abstract:
A method for forming particles of a substance, comprising the step of introducing into a mixing chamber, in which the temperature and pressure are controlled, a fluid gas and at least one vehicle system comprising at least one substance in solution or suspension such that droplet formation and extraction of the vehicle occur substantially simultaneously by the action of the fluid gas; wherein turbulence is induced in at least one of said fluid gas and said vehicle system to create a controlled disorder in the flow of the at least one of the fluid gas or the vehicle system in order to control the particle formation in said mixing chamber, said controlled disorder being created by at least one flow perturbation means arranged in the interior of the mixing chamber or arranged in at least one of the passageways leading the fluids to the mixing chamber.