FIELD: medicine, pharmaceutics.
SUBSTANCE: invention refers to crystalline tiotropium bromide anhydrate differing in X-ray diffraction values by the presence of an orthorhombic elementary cell with the parameters a=11.7420 (4) Å, b=17.7960 (7) Å, c=19.6280 (11) Å and the cell volume V=4101.5 (3) Å.
EFFECT: invention refers to method for preparing said form of tiotropium bromide and to a based pharmaceutical composition for treating respiratory diseases, first of all for treating chronic obstructive pulmonary disease and asthma.
5 cl, 15 dwg, 18 tbl, 15 ex
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