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US 2008/0176878 A1Published application
Crystalline rosuvastatin calcium
AssigneeTeva Pharmaceutical Industries Ltd.
InventorsShlomit Wizel, Valerie Niddam-Hildesheim, Shalom Shabat
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Abstract
Provided is a crystalline form of rosuvastatin calcium characterized by X-ray powder diffraction peaks at about 4.7, 19.4 and 22.3° 2 theta±0.2° 2 theta and processes for the preparation thereof.
Claims22
A crystalline form of rosuvastatin calcium characterized by an XRD pattern with peaks at about 4.7, 19.4 and 22.3° 2θ±0.2° 2θ.
A process for preparing a crystalline form of rosuvastatin calcium characterized by data selected from the group consisting of data selected from:
- an XRD pattern with peaks at about 4.7, 19.4 and 22.3° 2θ±0.2° 2θ comprising slurrying amorphous rosuvastatin calcium in water for more than about 10 hours.
Dependencies are inferred from the claim text.