FIELD: steroids, pharmacy.
SUBSTANCE: invention describes a method for preparing crystals showing the mean coarseness index in the required limits from 3 to 25 mcm and maximal size 100 mcm, not above. Method involves the crystallization process of supersaturated solution of compound representing 11β-benzaldoximestra-4,9-diene wherein it is subjected for wetted grinding by using the correspondence device designated for such wetted grinding to obtain suspension of primary grains. Also, invention crystals prepared by the proposed method and a pharmaceutical agent containing these crystals.
EFFECT: improved preparing method.
14 cl, 8 tbl, 4 dwg, 4 ex
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