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US 5,847,124 AGranted
Hydrated forms of zilpatherol hydrochloride
AssigneeRoussel Uclaf
InventorsYves Chevremont, Jean-Yves Godard
Life of this patent
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Abstract
Crystallized anhydrous zilpaterol hydrochloride having less than 5% of the crystals with a size of less than 15 microns and at least 95% of the crystals having a size of less than 250 microns and a process for its preparation and novel intermediates.
Claims1
A compound selected from the groups consisting of zilpaterol hydrochloride monohydrate and zilpaterol hydrochloride trihydrate.
Dependencies are inferred from the claim text.