METHOD OF PREPARING INHALATION POWDER Russian patent published in 2009 - IPC A61K35/02 A61K9/12 C01B39/02 

FIELD: medicine.

SUBSTANCE: invention concerns medicine, specifically methods of powdering the solid natural material used for inhalation. There is offered method that involves crushing, powdering, classification of the natural material with using zeolite crushed to grain size 5-20 mm and sterilised. Then the sterilised crushed material is powdered in an ultrasonic dispersant to produce grain size 1-2 to 10 mcm.

EFFECT: invention provides possibility to produce fine-dispersed zeolitic powder in powdering with particles of maximally rolled shape, besides, energy content of powdering process is reduced.

2 cl, 9 dwg